IIT JEE Practice Question and Answer

Q: Spongy, porous bone tissue is also called 1334 0

  • 1
    Compact bone
    Correct
    Wrong
  • 2
    Bone fissure
    Correct
    Wrong
  • 3
    Yellow bone marrow
    Correct
    Wrong
  • 4
    Cancellous bone
    Correct
    Wrong
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Answer : 4. "Cancellous bone"
Explanation :

Answer: D) Cancellous bone Explanation: Spongy, porous bone tissue is also called cancellous bone.   Cancellous bone is found in bones that aren't generally under significant stress like in the shoulder blades, ribs, parts of the skull, and at the ends of long bones.

Q: In general, which is the cause of a sea breeze? 1223 0

  • 1
    Pressure
    Correct
    Wrong
  • 2
    Specific heat
    Correct
    Wrong
  • 3
    Heat
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 2. "Specific heat"
Explanation :

Answer: B) Specific heat Explanation: The usual cause of sea breeze is the difference in specific heat capacity between land and water Land heats and cools more quickly than water.   What is the cause of a sea breeze? The air over the land is warmed and rises, to a greater temperature than that over the sea. This produces a convection current, with cooler air flowing in from over the sea to replace that rising from the land. At night the land cools more than the sea, so the action reverses to produce a land-breeze, blowing off the land.

Q: What is the function of an antagonist in a story? 1003 0

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Answer :
Explanation :

The antagonist is the negative or opposing force in a story. It could be a human enemy, or it could be non-human, like an animal or something less tangible, like fear.   The antagonist plays an important role in story development.

Q: What is the distance around a shape called? 1295 0

  • 1
    Volume
    Correct
    Wrong
  • 2
    Area
    Correct
    Wrong
  • 3
    Mass
    Correct
    Wrong
  • 4
    Perimeter
    Correct
    Wrong
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Answer : 4. "Perimeter"
Explanation :

Answer: D) Perimeter Explanation: The distance around a shape or figure I called Perimeter. A perimeter is a path that surrounds a two-dimensional shape.

Q: Reuptake refers to the 2103 0

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    reabsorption of excess neurotransmitter molecules by a sending neuron
    Correct
    Wrong
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    release of hormones into the bloodstream
    Correct
    Wrong
  • 3
    movement of neurotransmitter molecules across a synaptic gap
    Correct
    Wrong
  • 4
    inflow of myelin through an axon membrane
    Correct
    Wrong
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Answer : 1. "reabsorption of excess neurotransmitter molecules by a sending neuron"
Explanation :

Answer: A) reabsorption of excess neurotransmitter molecules by a sending neuron Explanation: Reuptake refers to the process in the brain of neurons to retrieve chemicals that were not received by the next neuron. Neurons are cells in the brain that have miniscule spaces between them. They communicate with each other by sending chemicals across the space to the next neuron.

Q: What is the major monosaccharide found in the body? 2061 0

  • 1
    Galactose
    Correct
    Wrong
  • 2
    Sucrose
    Correct
    Wrong
  • 3
    Fructose
    Correct
    Wrong
  • 4
    Glucose
    Correct
    Wrong
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Answer : 4. "Glucose"
Explanation :

Answer: D) Glucose Explanation: Glucose is the major monosaccharide found in the body. It is absorbed directly into the bloodstream duringdigestion and a vital carbohydrate as it is a source of energy.

Q: Rust forms when _____ reacts with chemicals in rocks. 1535 0

  • 1
    Water
    Correct
    Wrong
  • 2
    Oxygen
    Correct
    Wrong
  • 3
    Nitrogen
    Correct
    Wrong
  • 4
    Carbondioxide
    Correct
    Wrong
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Answer : 2. "Oxygen"
Explanation :

Answer: B) Oxygen Explanation: Rust forms when oxygen reacts with chemicals in rocks, and that is often the case with many other elements in general. Like a copper nail being exposed to the air will rust.

Q: What looks back but cannot see? 1103 0

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Answer :
Explanation :

Reflection is what which looks back but can't see.

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