B2 adjective #3,000 सबसे आम 6 मिनट पढ़ने का समय

blast

At the C1 level, "blast" as an adjective can describe phenomena associated with a sudden, powerful release of energy or force. This often pertains to the destructive

effects of an explosion, such as "blast wave" or "blast injury," highlighting the concussive impact. Furthermore, in specialized biological contexts, "blast" refers to cells in their earliest, undifferentiated stages, like "lymphoblast" or "erythroblast," which are crucial for understanding cell development and certain pathologies. Understanding these nuanced applications is vital for interpreting complex scientific and medical literature.

§ What does it mean and when do people use it?

The adjective 'blast' is often encountered in academic and technical discourse, particularly within scientific fields. While it might seem like a simple word, its meaning is precise and carries significant weight, especially when describing phenomena related to sudden, forceful events or early stages of development.

Core Definition
Describes something relating to a sudden, forceful explosion or a powerful, localized stream of air or fluid.

In its most common usage outside of specialized contexts, 'blast' as an adjective refers to things associated with an explosion or a strong, often disruptive, force. Think of the immense energy released during a detonation; anything related to that force can be described as 'blast'. This can include the physical effects of an explosion, such as the damage caused by a shockwave, or even the intense sound that accompanies it. Similarly, a powerful, concentrated gush of air or fluid, like that from a jet engine or a high-pressure hose, could be termed 'blast-like' or simply 'blast' in some technical descriptions.

The scientists studied the blast radius of the controlled demolition.

Engineers are designing new materials resistant to blast effects in high-stress environments.

In a more specialized and academic context, particularly in biology and medicine, 'blast' takes on a completely different, yet equally precise, meaning. Here, it refers to undifferentiated cells at an early stage of development. These are often progenitor cells, which have the potential to develop into various types of specialized cells but have not yet committed to a specific lineage. Understanding this usage is crucial in fields like hematology (the study of blood) and developmental biology.

Biological Context
In biology, it often refers to undifferentiated cells at an early stage of development.

For example, in the context of blood cell formation, 'blast cells' are immature cells found in the bone marrow. These cells eventually mature into various types of blood cells, such as red blood cells, white blood cells, and platelets. The presence of an abnormally high number of blast cells in the blood or bone marrow can be an indicator of certain conditions, including leukemia, a type of cancer that affects blood-forming tissues.

The pathologist identified an increase in blast cells in the patient's bone marrow biopsy.

Researchers are studying the differentiation pathways of various blast cell populations.

Therefore, when encountering 'blast' as an adjective, it is essential to consider the context to determine its precise meaning. In engineering or physics, it will likely refer to explosive forces. In biology, it will undoubtedly relate to early, undifferentiated cell types. This duality underscores the richness and specificity of scientific vocabulary, where a single word can carry distinct and important meanings across different disciplines.

  • In physics and engineering:
    • Describes effects or characteristics related to explosions.
    • Refers to powerful, concentrated flows of air or fluid.
  • In biology and medicine:
    • Describes cells that are undifferentiated and in an early stage of development.
    • Often associated with progenitor cells or immature cell forms.

Understanding these nuances is key to accurately interpreting academic and technical texts at a B2 CEFR level and beyond. The precise application of 'blast' as an adjective showcases the need for careful contextual analysis in specialized language.

§ Academic and Technical Fields

The term "blast" (adjective) finds significant usage in academic and technical domains, particularly in fields such as engineering, physics, biology, and medicine. In these contexts, the word carries precise meanings that go beyond its more common, informal uses. Understanding these specific applications is crucial for anyone engaging with scientific and technical literature.

Definition in Physics and Engineering
When referring to a "blast wave" or "blast effect," it describes phenomena associated with sudden, high-energy releases, such as explosions. This can involve the rapid expansion of gases and the creation of a shockwave that propagates through a medium.

Engineers are studying the structural integrity of buildings to withstand a blast impact.

Definition in Biology and Medicine
In biology, particularly in hematology and oncology, "blast cells" or "blasts" refer to immature, undifferentiated cells, often indicative of rapid cell proliferation, such as in leukemia.

The patient's bone marrow biopsy revealed an unusually high percentage of blast cells, suggesting acute leukemia.

§ News and Current Events

In news reports and discussions about current events, the adjective "blast" is frequently used to describe events involving explosions, intense forces, or their consequences. This usage is common in reporting on accidents, conflicts, and natural disasters.

  • Reporting on Explosions: News outlets often describe incidents involving explosives, such as terrorist attacks, industrial accidents, or controlled demolitions.
  • Military and Conflict Reporting: In military contexts, "blast" refers to the effects of weaponry, such as bombs or artillery shells, and its impact on structures and personnel.
  • Natural Disasters: While less common, the term can occasionally be used to describe the forceful impact of natural phenomena, such as a volcanic eruption or a sudden gust of wind.

Rescue workers are still assessing the damage caused by the blast from the chemical plant explosion.

§ Everyday Language (Informal)

While the definition provided focuses on its more formal and technical uses, "blast" can also appear in informal, everyday language, often in a metaphorical or idiomatic sense. However, these uses are generally less frequent for the adjective form and might deviate slightly from the precise meanings given in academic and technical contexts.

  • Figurative Usage: Sometimes, people might use "blast" to describe a very strong or impactful experience, though this is more common with the noun form ("a blast of cold air" or "had a blast").

The sudden blast of wind almost knocked me off my feet.

स्तर के अनुसार उदाहरण

1

The blast wave from the explosion caused significant damage to nearby buildings.

The wave from the explosion that spread quickly.

Here, 'blast' acts as an adjective modifying 'wave'.

2

Engineers are studying the blast effects of different materials to improve safety.

Engineers are studying the impact effects.

Here, 'blast' functions as an adjective describing 'effects'.

3

In biology, a blast cell is an immature cell, for example, an erythroblast or myeloblast.

In biology, an immature cell.

Here, 'blast' is part of a compound noun 'blast cell' often seen in scientific contexts.

4

The strong winds created a blast of cold air that swept through the valley.

The strong winds created a powerful gust of cold air.

Here, 'blast' is used as a noun, but the adjective form would be 'blasting wind' to describe a wind that feels like a powerful stream.

5

They designed the structure to withstand a significant blast force.

They designed the structure to resist a strong explosive force.

'Blast' here is an adjective modifying 'force'.

6

The research focuses on the blast resistance of various protective gear.

The research focuses on the ability of protective gear to withstand explosions.

'Blast' acts as an adjective describing 'resistance'.

7

A blast furnace uses a powerful blast of hot air to smelt iron ore.

A furnace that uses a strong current of hot air.

'Blast' functions as an adjective modifying 'furnace'.

8

Medical professionals refer to certain early-stage tumor cells as blast cells due to their undifferentiated nature.

Medical professionals call some early-stage tumor cells 'immature cells' because they are not yet specialized.

'Blast' is used as part of the compound noun 'blast cells' in a medical context.

1

The engineers carefully assessed the structural integrity of the bridge following the recent blast incident, checking for any subtle deformations that might compromise its safety.

Инженеры тщательно оценили структурную целостность моста после недавнего взрыва, проверяя наличие каких-либо незаметных деформаций, которые могли бы поставить под угрозу его безопасность.

Here, 'blast' functions as an attributive noun modifying 'incident', indicating the type of incident.

2

Forensic investigators meticulously analyzed the blast patterns on the surrounding debris to reconstruct the sequence of events leading to the explosion.

Судебно-медицинские эксперты тщательно проанализировали картину взрыва на окружающем мусоре, чтобы восстановить последовательность событий, приведших к взрыву.

'Blast patterns' refers to the characteristic markings left by an explosion.

3

During the early stages of hematopoiesis, pluripotent stem cells differentiate into myeloid and lymphoid blast cells, which then mature into various blood components.

На ранних стадиях кроветворения плюрипотентные стволовые клетки дифференцируются в миелоидные и лимфоидные бластные клетки, которые затем созревают в различные компоненты крови.

In a biological context, 'blast cells' refers to immature, undifferentiated cells.

4

The wind tunnel experiments simulated extreme weather conditions, including a powerful blast of air, to test the aerodynamic stability of the aircraft design.

Эксперименты в аэродинамической трубе имитировали экстремальные погодные условия, включая мощный порыв воздуха, для проверки аэродинамической устойчивости конструкции самолета.

'Blast of air' signifies a sudden, strong current of air.

5

Researchers are developing new materials with enhanced resistance to blast forces, aiming to improve the protective capabilities of military vehicles and civilian infrastructure.

Исследователи разрабатывают новые материалы с повышенной устойчивостью к взрывным нагрузкам, стремясь улучшить защитные возможности военной техники и гражданской инфраструктуры.

'Blast forces' refers to the destructive power generated by an explosion.

6

The geological survey revealed evidence of a prehistoric meteor impact, characterized by a massive blast crater and widespread seismic disturbances.

Геологическое исследование выявило следы доисторического метеоритного удара, характеризующегося огромным ударным кратером и широкомасштабными сейсмическими возмущениями.

'Blast crater' refers to the depression formed by a powerful impact or explosion.

7

In oncology, the presence of an elevated number of blast cells in the bone marrow can be indicative of certain types of leukemia.

В онкологии наличие повышенного количества бластных клеток в костном мозге может указывать на определенные виды лейкемии.

Again, 'blast cells' refers to undifferentiated cells, specifically in a medical context.

8

The sudden blast of cold air from the air conditioning unit caused a noticeable drop in the ambient temperature of the server room, requiring immediate adjustment.

Внезапный поток холодного воздуха из кондиционера вызвал заметное падение температуры окружающей среды в серверной, что потребовало немедленной регулировки.

'Blast of cold air' emphasizes the sudden and forceful nature of the air current.

समानार्थी शब्द

explosive forceful eruptive pneumatic sudden gusty

विलोम शब्द

असल ज़िंदगी में अभ्यास करें

वास्तविक संदर्भ

The **blast** furnace operated at extremely high temperatures to melt iron ore.

  • blast furnace
  • high temperatures
  • melt iron ore

Scientists studied the effects of the **blast** wave on nearby structures.

  • blast wave
  • studied the effects
  • nearby structures

In biology, a myeloblast is an immature cell found in bone marrow, sometimes referred to simply as a **blast** cell.

  • blast cell
  • myeloblast
  • immature cell
  • bone marrow

The engineers had to account for the potential **blast** radius in their safety plans.

  • blast radius
  • safety plans
  • account for

A sudden **blast** of wind nearly knocked him off his feet.

  • blast of wind
  • sudden blast
  • knocked him off his feet

बातचीत की शुरुआत

"Can you think of any situations where a 'blast' might be used to describe a sudden, powerful force?"

"In what academic or technical fields might you encounter the term 'blast'?"

"How might the term 'blast' be used differently in a scientific context versus a more casual conversation?"

"What safety precautions are typically considered when dealing with potential 'blast' events?"

"Have you ever experienced a 'blast' of air or sound that was particularly impactful?"

डायरी विषय

Describe a time you witnessed or felt a powerful 'blast' of something (wind, sound, etc.). What was the experience like?

Research the concept of a 'blast furnace' and explain its significance in industrial processes. How does the word 'blast' apply here?

Explore the biological meaning of 'blast' cells. What role do they play, and why are they named as such?

Imagine you are an engineer designing a building in an area prone to explosions. How would you incorporate 'blast' resistance into your plans?

Reflect on the different connotations of the word 'blast'. How can a single word have such varied meanings depending on the context?

खुद को परखो 54 सवाल

multiple choice A1

The wind made a ___ sound.

सही! बिलकुल नहीं। सही जवाब: blast

The word 'blast' means a loud sound, like from strong wind.

multiple choice A1

The loud music was a ___ to my ears.

सही! बिलकुल नहीं। सही जवाब: blast

When something is a 'blast to your ears', it means it is very loud.

multiple choice A1

The firework made a big ___ in the sky.

सही! बिलकुल नहीं। सही जवाब: blast

A firework makes a 'blast' when it explodes loudly.

true false A1

A loud sound can be called a blast.

सही! बिलकुल नहीं। सही जवाब: सही

Yes, a 'blast' can describe a very loud sound.

true false A1

A gentle breeze is a blast.

सही! बिलकुल नहीं। सही जवाब: गलत

No, a 'blast' is a strong, forceful movement of air, not a gentle breeze.

true false A1

When something explodes, it can make a blast.

सही! बिलकुल नहीं। सही जवाब: सही

Yes, an explosion often creates a 'blast'.

listening A1

Listen for the sound of wind.

सही! बिलकुल नहीं। सही जवाब: The wind made a blast sound.
सही! बिलकुल नहीं। सही जवाब:
listening A1

Listen for a sudden loud noise.

सही! बिलकुल नहीं। सही जवाब: Did you hear that blast?
सही! बिलकुल नहीं। सही जवाब:
listening A1

Listen for the feeling of cold air.

सही! बिलकुल नहीं। सही जवाब: A cold blast of air came in.
सही! बिलकुल नहीं। सही जवाब:
speaking A1

Read this aloud:

The loud blast scared me.

Focus: blast

सही! बिलकुल नहीं। सही जवाब:
speaking A1

Read this aloud:

I felt a blast of wind.

Focus: felt a blast

सही! बिलकुल नहीं। सही जवाब:
speaking A1

Read this aloud:

What was that blast?

Focus: was that blast

सही! बिलकुल नहीं। सही जवाब:
fill blank A2

The ___ wind knocked over the small tree.

सही! बिलकुल नहीं। सही जवाब: blast

A 'blast' wind is a strong, forceful wind.

fill blank A2

We heard a loud ___ sound from the construction site.

सही! बिलकुल नहीं। सही जवाब: blast

A 'blast' sound implies a loud, sudden noise, often like an explosion.

fill blank A2

The fire hose created a ___ of water to put out the fire.

सही! बिलकुल नहीं। सही जवाब: blast

A 'blast' of water indicates a powerful, forceful stream.

fill blank A2

After the explosion, there was a ___ crater in the ground.

सही! बिलकुल नहीं। सही जवाब: blast

A 'blast' crater is one formed by an explosion.

fill blank A2

The car horn gave a quick ___ to warn the pedestrian.

सही! बिलकुल नहीं। सही जवाब: blast

A 'blast' here refers to a sudden, loud sound from the horn.

fill blank A2

The workers used a powerful ___ of air to clean the machine.

सही! बिलकुल नहीं। सही जवाब: blast

A 'blast' of air means a strong, localized stream of air.

writing A2

Imagine you are watching fireworks. Describe what you see and hear, using the word 'blast' to talk about the sound.

Well written! Good try! Check the sample answer below.

Sample answer

The fireworks made a big blast! I saw many bright colors in the sky. It was very loud and exciting.

सही! बिलकुल नहीं। सही जवाब:
writing A2

Think about a strong wind. How would you describe the feeling and sound of a 'blast' of wind hitting your face?

Well written! Good try! Check the sample answer below.

Sample answer

A strong blast of wind hit my face. It felt cold and made a loud sound. My hair moved a lot.

सही! बिलकुल नहीं। सही जवाब:
writing A2

Write a short sentence about a party. How could you use 'blast' to say you had a very good time?

Well written! Good try! Check the sample answer below.

Sample answer

The party was a blast! We had so much fun with our friends.

सही! बिलकुल नहीं। सही जवाब:
reading A2

What hit the person like a 'blast' of water?

Read this passage:

Yesterday, I went to the beach. The sun was very hot, and the water was cold. Suddenly, a big wave hit me like a blast of water. It was surprising, but also fun. I laughed and played in the waves all day.

What hit the person like a 'blast' of water?

सही! बिलकुल नहीं। सही जवाब: A big wave

The passage says, 'Suddenly, a big wave hit me like a blast of water.'

सही! बिलकुल नहीं। सही जवाब: A big wave

The passage says, 'Suddenly, a big wave hit me like a blast of water.'

reading A2

What comes out of the garden hose like a 'blast'?

Read this passage:

My dog loves to play with the garden hose. When I turn on the water, a strong blast of water comes out. He tries to catch it with his mouth. It is very funny to watch him play with the water.

What comes out of the garden hose like a 'blast'?

सही! बिलकुल नहीं। सही जवाब: Strong water

The passage states, 'When I turn on the water, a strong blast of water comes out.'

सही! बिलकुल नहीं। सही जवाब: Strong water

The passage states, 'When I turn on the water, a strong blast of water comes out.'

reading A2

What did the person hear against the window?

Read this passage:

Last night, there was a big storm. The wind blew very hard. I heard a loud blast of wind against my window. It made me a little scared, but my parents said everything was okay.

What did the person hear against the window?

सही! बिलकुल नहीं। सही जवाब: A loud blast of wind

The passage says, 'I heard a loud blast of wind against my window.'

सही! बिलकुल नहीं। सही जवाब: A loud blast of wind

The passage says, 'I heard a loud blast of wind against my window.'

writing B1

Imagine you are describing a very windy day to a friend. Use the word 'blast' in your description to talk about the wind.

Well written! Good try! Check the sample answer below.

Sample answer

Yesterday, the wind was incredibly strong. There was a sudden blast of wind that almost knocked me over when I walked outside. It felt like a hurricane!

सही! बिलकुल नहीं। सही जवाब:
writing B1

Write a short sentence about something that made a loud, sudden noise. Try to use the word 'blast' to describe it.

Well written! Good try! Check the sample answer below.

Sample answer

The fireworks made a loud blast that echoed through the night sky, startling everyone.

सही! बिलकुल नहीं। सही जवाब:
writing B1

Describe a moment when you felt a sudden burst of energy or excitement. How could you use the word 'blast' to convey this feeling?

Well written! Good try! Check the sample answer below.

Sample answer

When my favorite team scored the winning goal, I felt a blast of excitement and jumped out of my seat.

सही! बिलकुल नहीं। सही जवाब:
reading B1

What caused the building to collapse?

Read this passage:

The old factory building was scheduled for demolition. Engineers carefully placed explosives. At exactly 10 AM, a loud blast shook the ground, and the building collapsed into a pile of rubble. It was an impressive sight.

What caused the building to collapse?

सही! बिलकुल नहीं। सही जवाब: A loud blast

The passage states, 'At exactly 10 AM, a loud blast shook the ground, and the building collapsed.' This indicates the blast was the cause.

सही! बिलकुल नहीं। सही जवाब: A loud blast

The passage states, 'At exactly 10 AM, a loud blast shook the ground, and the building collapsed.' This indicates the blast was the cause.

reading B1

What is described as a 'blast' in this passage?

Read this passage:

During the winter, cold air often rushes in from the north. Sometimes, there's a sudden blast of freezing air that makes you shiver even when you're inside. People usually wear very warm clothes to protect themselves from these blasts.

What is described as a 'blast' in this passage?

सही! बिलकुल नहीं। सही जवाब: A sudden rush of cold air

The passage says, 'Sometimes, there's a sudden blast of freezing air that makes you shiver.'

सही! बिलकुल नहीं। सही जवाब: A sudden rush of cold air

The passage says, 'Sometimes, there's a sudden blast of freezing air that makes you shiver.'

reading B1

Why are some cells called 'blasts' in the scientific context mentioned?

Read this passage:

Scientists are studying a new type of cell. These cells are called 'blasts' because they are very young and haven't developed into specific types yet. Understanding these blast cells is important for learning how organisms grow.

Why are some cells called 'blasts' in the scientific context mentioned?

सही! बिलकुल नहीं। सही जवाब: Because they are young and undifferentiated

The passage explains, 'These cells are called 'blasts' because they are very young and haven't developed into specific types yet.'

सही! बिलकुल नहीं। सही जवाब: Because they are young and undifferentiated

The passage explains, 'These cells are called 'blasts' because they are very young and haven't developed into specific types yet.'

listening B2

This sentence is about industrial processes.

सही! बिलकुल नहीं। सही जवाब: The blast furnace operates at extremely high temperatures to smelt iron ore.
सही! बिलकुल नहीं। सही जवाब:
listening B2

This sentence is related to biology.

सही! बिलकुल नहीं। सही जवाब: Scientists are studying blast cells to understand early stages of cell development.
सही! बिलकुल नहीं। सही जवाब:
listening B2

This sentence refers to a physical impact.

सही! बिलकुल नहीं। सही जवाब: The engineers had to account for the blast effect in their building design.
सही! बिलकुल नहीं। सही जवाब:
speaking B2

Read this aloud:

Can you explain the difference between a blast furnace and a regular oven?

Focus: blast furnace

सही! बिलकुल नहीं। सही जवाब:
speaking B2

Read this aloud:

Describe a scenario where a 'blast' of wind could be beneficial or detrimental.

Focus: blast of wind

सही! बिलकुल नहीं। सही जवाब:
speaking B2

Read this aloud:

Discuss the implications of studying blast cells in medical research.

Focus: blast cells

सही! बिलकुल नहीं। सही जवाब:
writing B2

Imagine you are an engineer designing a new protective barrier. Describe how you would account for the 'blast' force of an explosion in your design, using technical language.

Well written! Good try! Check the sample answer below.

Sample answer

In designing a protective barrier, it's crucial to consider the blast force generated by an explosion. My design would prioritize structural integrity, utilizing materials capable of withstanding the immense pressure wave. Incorporating shock absorption mechanisms, such as energy-dissipating layers, would further mitigate the impact. Careful calculations of the blast's potential magnitude would inform material selection and thickness to ensure optimal protection.

सही! बिलकुल नहीं। सही जवाब:
writing B2

You are a biologist explaining 'blast' cells to a new student. Write a paragraph detailing their characteristics and significance in biological development.

Well written! Good try! Check the sample answer below.

Sample answer

In biology, 'blast' cells refer to immature, undifferentiated cells found at an early stage of development. These cells possess a high capacity for proliferation and are crucial for tissue formation and repair. For instance, erythroblasts are precursors to red blood cells, and myoblasts develop into muscle cells. Understanding blast cells is fundamental to comprehending how organisms grow and regenerate, and they are also significant in the study of certain diseases.

सही! बिलकुल नहीं। सही जवाब:
writing B2

Describe a scenario where a 'blast' of air or water is used effectively or problematically in an industrial or natural context. Explain the cause and effect.

Well written! Good try! Check the sample answer below.

Sample answer

In an industrial context, a controlled blast of high-pressure air can be effectively used for cleaning intricate machinery, dislodging stubborn debris without causing damage. The force of the air streamlines the cleaning process, making it efficient and thorough. However, an uncontrolled blast of water, such as during a flash flood, can be highly problematic. The immense pressure and volume of water can cause significant erosion, destroy infrastructure, and endanger lives, demonstrating the destructive power of a natural 'blast'.

सही! बिलकुल नहीं। सही जवाब:
reading B2

What is the primary purpose of the new materials described in the passage?

Read this passage:

Scientists have developed new materials designed to withstand the immense pressure of a blast. These innovative composites incorporate layers that can dissipate energy more effectively than traditional armor. The goal is to minimize structural damage and protect occupants in high-risk environments. Early tests show promising results, indicating a significant improvement in blast resistance.

What is the primary purpose of the new materials described in the passage?

सही! बिलकुल नहीं। सही जवाब: To protect against blast forces

The passage states that the materials are 'designed to withstand the immense pressure of a blast' and 'to minimize structural damage and protect occupants', directly indicating their protective purpose.

सही! बिलकुल नहीं। सही जवाब: To protect against blast forces

The passage states that the materials are 'designed to withstand the immense pressure of a blast' and 'to minimize structural damage and protect occupants', directly indicating their protective purpose.

reading B2

According to the passage, what is a key characteristic of 'blast' cells in embryology?

Read this passage:

In the study of embryology, understanding the early stages of cell development is paramount. Undifferentiated cells, often referred to as 'blast' cells, are crucial during this period. Their ability to rapidly divide and specialize allows for the formation of complex tissues and organs. Disruption to these cells can have profound effects on an organism's development.

According to the passage, what is a key characteristic of 'blast' cells in embryology?

सही! बिलकुल नहीं। सही जवाब: They can rapidly divide and specialize.

The passage explicitly states that 'Their ability to rapidly divide and specialize allows for the formation of complex tissues and organs,' highlighting this as a key characteristic.

सही! बिलकुल नहीं। सही जवाब: They can rapidly divide and specialize.

The passage explicitly states that 'Their ability to rapidly divide and specialize allows for the formation of complex tissues and organs,' highlighting this as a key characteristic.

reading B2

What caused the people in the room to shiver?

Read this passage:

The sudden blast of cold air from the air conditioner surprised everyone in the room. This quick change in temperature caused a few people to shiver, despite the warm weather outside. Such rapid shifts in environmental conditions can sometimes be uncomfortable, even if they are temporary.

What caused the people in the room to shiver?

सही! बिलकुल नहीं। सही जवाब: The sudden blast of cold air.

The passage clearly states, 'The sudden blast of cold air from the air conditioner surprised everyone in the room. This quick change in temperature caused a few people to shiver,' directly linking the cold air to the shivering.

सही! बिलकुल नहीं। सही जवाब: The sudden blast of cold air.

The passage clearly states, 'The sudden blast of cold air from the air conditioner surprised everyone in the room. This quick change in temperature caused a few people to shiver,' directly linking the cold air to the shivering.

multiple choice C1

The engineers observed the ___ effects of the experimental explosive on the reinforced concrete barrier.

सही! बिलकुल नहीं। सही जवाब: blast

In this context, 'blast' refers to the powerful and destructive impact of an explosion, which aligns with the observed effects on a barrier. The other options suggest less forceful or imperceptible impacts.

multiple choice C1

Biologists are studying the behavior of ___ cells in the early stages of embryonic development to understand differentiation.

सही! बिलकुल नहीं। सही जवाब: blast

In biology, 'blast' cells are undifferentiated cells at an early stage of development, which is crucial for understanding how cells specialize.

multiple choice C1

The sudden ___ of cold air from the opened freezer compartment caused a shiver.

सही! बिलकुल नहीं। सही जवाब: blast

A 'blast' of air describes a sudden, forceful stream, which accurately portrays the sensation of cold air rushing out of a freezer. The other options imply a much weaker or gentler movement.

true false C1

A 'blast' in a technical report about demolitions would typically refer to the gentle displacement of material.

सही! बिलकुल नहीं। सही जवाब: गलत

In demolition contexts, 'blast' refers to a forceful explosion, not a gentle displacement of material.

true false C1

In immunology, 'lymphoblasts' are mature, fully differentiated immune cells.

सही! बिलकुल नहीं। सही जवाब: गलत

'Lymphoblasts' are immature white blood cells (lymphocytes) that are still in the process of developing and differentiating, not mature and fully differentiated.

true false C1

The phrase 'a blast of wind' implies a weak and barely noticeable breeze.

सही! बिलकुल नहीं। सही जवाब: गलत

'A blast of wind' suggests a sudden, strong, and forceful gust, not a weak breeze.

writing C1

Describe a scenario where a 'blast' of wind significantly impacted a natural landscape. Focus on the immediate effects and potential long-term changes.

Well written! Good try! Check the sample answer below.

Sample answer

A sudden, powerful blast of wind, a true gale, swept through the coastal region, causing immediate and dramatic changes to the landscape. Sand dunes, once stable, began to erode rapidly as the forceful air scoured their surfaces. Trees, particularly those exposed on the cliffs, were stripped of their leaves and branches, their forms permanently altered by the relentless assault. The long-term consequences could include significant shoreline retreat and a transformation of the local ecosystem as less resilient species are displaced.

सही! बिलकुल नहीं। सही जवाब:
writing C1

In a technical report, explain the concept of a 'blast' in the context of early cellular development, specifically focusing on the properties of undifferentiated cells.

Well written! Good try! Check the sample answer below.

Sample answer

In developmental biology, the term 'blast' often refers to undifferentiated cells at an early stage of development, such as a blastocyst. These cells are typically pluripotent, meaning they possess the capacity to differentiate into various cell types that contribute to the formation of tissues and organs. Their rapid proliferation is crucial for early embryogenesis, preceding the intricate processes of morphogenesis and cell differentiation. Understanding the characteristics of these 'blast' cells is fundamental to comprehending the foundational stages of life.

सही! बिलकुल नहीं। सही जवाब:
writing C1

Imagine you are an engineer designing a structure to withstand the impact of a 'blast' force. Detail the considerations and materials you would employ to ensure its integrity.

Well written! Good try! Check the sample answer below.

Sample answer

When designing a structure to withstand a blast force, resilience is paramount. My considerations would begin with the building's geometry, opting for a compact, rigid form to minimize surface area exposed to the dynamic load. Material selection would involve reinforced concrete with high tensile strength, and perhaps steel plating or composite materials known for their energy-absorbent properties. Blast mitigation techniques, such as stand-off distances and deflecting barriers, would also be integrated to dissipate the blast wave's energy. The structural elements would be designed to deform plastically without catastrophic failure, maintaining overall integrity.

सही! बिलकुल नहीं। सही जवाब:
reading C1

What evidence suggests a 'blast' occurred at the archaeological site?

Read this passage:

The archaeological team discovered ancient pottery shards that exhibited unique firing patterns, suggesting a sophisticated understanding of kiln temperatures. However, a significant portion of the site showed signs of rapid destruction, possibly from a sudden blast, leading to fragmented artifacts and a disrupted stratigraphic layer. This event appears to have abruptly ended the settlement's occupation, preserving a snapshot of their daily lives under a layer of debris.

What evidence suggests a 'blast' occurred at the archaeological site?

सही! बिलकुल नहीं। सही जवाब: Fragmented artifacts and a disrupted stratigraphic layer

The passage explicitly states that 'a significant portion of the site showed signs of rapid destruction, possibly from a sudden blast, leading to fragmented artifacts and a disrupted stratigraphic layer,' directly linking these observations to the blast.

सही! बिलकुल नहीं। सही जवाब: Fragmented artifacts and a disrupted stratigraphic layer

The passage explicitly states that 'a significant portion of the site showed signs of rapid destruction, possibly from a sudden blast, leading to fragmented artifacts and a disrupted stratigraphic layer,' directly linking these observations to the blast.

reading C1

What is the primary characteristic of a 'blast crisis' in leukemia?

Read this passage:

In the medical field, the term 'blast crisis' refers to an aggressive phase of certain leukemias, characterized by an abnormal increase in immature white blood cells (blasts) in the bone marrow and peripheral blood. This surge of undifferentiated cells impairs normal hematopoiesis, leading to severe symptoms and requiring urgent, intensive treatment strategies to control the rapid proliferation and prevent organ infiltration.

What is the primary characteristic of a 'blast crisis' in leukemia?

सही! बिलकुल नहीं। सही जवाब: An abnormal increase in undifferentiated white blood cells

The passage defines 'blast crisis' as 'an abnormal increase in immature white blood cells (blasts) in the bone marrow and peripheral blood,' highlighting this as the primary characteristic.

सही! बिलकुल नहीं। सही जवाब: An abnormal increase in undifferentiated white blood cells

The passage defines 'blast crisis' as 'an abnormal increase in immature white blood cells (blasts) in the bone marrow and peripheral blood,' highlighting this as the primary characteristic.

reading C1

What is the main purpose of simulating high-pressure air 'blasts' in automotive safety tests?

Read this passage:

Engineers conducting safety tests on new automotive designs often simulate extreme conditions, including the impact of high-pressure air blasts. These tests evaluate the structural integrity of the vehicle's body and the effectiveness of its occupant protection systems. The data gathered from these simulations helps refine designs to minimize the risk of injury during accidents involving sudden, forceful impacts, whether from collisions or external pressure waves.

What is the main purpose of simulating high-pressure air 'blasts' in automotive safety tests?

सही! बिलकुल नहीं। सही जवाब: To test the structural integrity and occupant protection systems

The passage states that 'These tests evaluate the structural integrity of the vehicle's body and the effectiveness of its occupant protection systems,' clearly indicating the main purpose.

सही! बिलकुल नहीं। सही जवाब: To test the structural integrity and occupant protection systems

The passage states that 'These tests evaluate the structural integrity of the vehicle's body and the effectiveness of its occupant protection systems,' clearly indicating the main purpose.

/ 54 correct

Perfect score!

संबंधित सामग्री

Other के और शब्द

abate

C1

किसी चीज़ की तीव्रता या गंभीरता का कम होना। यह अक्सर किसी तूफान या भावनाओं के शांत होने के लिए इस्तेमाल होता है।

abcarndom

C1

किसी निश्चित क्रम या स्थापित पैटर्न से जानबूझकर हटना ताकि एक यादृच्छिक (random) या गैर-रेखीय दृष्टिकोण अपनाया जा सके।

abcenthood

C1

The state, condition, or period of being absent, particularly in a role where one's presence is expected or required. It often refers to a prolonged or systemic lack of participation in a social, parental, or professional capacity.

abcitless

C1

यह वह स्थिति है जब किसी चीज़ में कोई ज़रूरी हिस्सा गायब होता है, जिससे वह ठीक से काम नहीं करती।

abcognacy

C1

The state of being unaware or lacking knowledge about a specific subject, situation, or fact. It describes a condition of non-recognition or a gap in cognitive awareness, often used in technical or specialized academic contexts.

abdocion

C1

यह एक केंद्रीय अक्ष से दूर जाने वाली गति, बल या तार्किक प्रक्रिया को दर्शाता है। इसका उपयोग तकनीकी संदर्भों में किया जाता है, जैसे अंगों का बाहर की ओर खिंचाव।

abdocly

C1

Abdocly उन चीज़ों के लिए है जो छिपी हुई या अंदर की तरफ़ होती हैं और आसानी से दिखाई नहीं देतीं।

aberration

B2

A departure from what is normal, usual, or expected, typically one that is unwelcome. It refers to a temporary change or a deviation from the standard path or rule.

abfacible

C1

To systematically strip or remove the external surface or facade of a structure or material for analysis, restoration, or cleaning. It specifically refers to the technical act of uncovering underlying layers while preserving the integrity of the core material.

abfactency

C1

यह तथ्यों या वास्तविक वास्तविकता से पूरी तरह कटे होने की स्थिति है। इसका उपयोग अक्सर उन तर्कों या सिद्धांतों के लिए किया जाता है जो तर्कसंगत तो लगते हैं लेकिन वास्तविकता से मेल नहीं खाते।

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