Q:

Evaporation of water from leaves of a plant is called

A) Transpiration	B) Respiration
C) Perspiration	D) Evaporation

Answer & Explanation Answer: A) Transpiration

Explanation:

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Filed Under: Biology
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Q:

______ is a thyroid hormone which controls the balance of calcium in the body.

A) Calcitonin	B) Thyroxine
C) Calmodulin	D) all of these

Answer & Explanation Answer: A) Calcitonin

Explanation:

Calcitonin is 32-amino acid linear polypeptide hormone that is produced in humans primarily by the parafollicular cells of the thyroid, and in many other animals in the ultimopharyngeal body. It acts to reduce blood calcium, opposing the effects of parathyroid hormone.

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Q:

Read the sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. If the given sentence is correct as it is, the answer is ‘No error’. Ignore the errors of punctuation, if any.

The shortest boy of the school/ didn't hesitate to join/ the basketball team which/ was full of tall boys.

A) The shortest boy of the school	B) didn't hesitate to join
C) the basketball team which	D) was full of tall boys

Answer & Explanation Answer: A) The shortest boy of the school

Explanation:

The error lies in the first part of the sentence. After superlative adjectives, majorly two prepositions are used: of and in. We use in with a singular word referring to a place or group. Eg: I am the happiest woman in the world. We use of before plurals, before time periods such as year/month. Eg: Sunday is the best day of the week. Here, in this case, the subject is the 'school', thus, it should be 'in the school'.

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Filed Under: English

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Q:

What is an endothermic reaction?

A) Reaction in which heat is released.	B) Reaction in which heat is absorbed.
C) Reaction in which neither heat is released nor absorbed.	D) None of these

Answer & Explanation Answer: B) Reaction in which heat is absorbed.

Explanation:

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Filed Under: Chemistry
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Q:

_____ is the fourth state of matter.

A) Plasma	B) Steam
C) Gas	D) Matteroid

Answer & Explanation Answer: A) Plasma

Explanation:

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Q:

The chemical weathering of feldspar produces

A) illite	B) kaolinite
C) both 1 & 2	D) none

Answer & Explanation Answer: C) both 1 & 2

Explanation:

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Q:

Which part of the brain is responsible for triggering actions like thinking, intelligence, memory and ability to learn?

A) Diencephalon	B) Hypothalamus
C) Cerebrum	D) Control

Answer & Explanation Answer: C) Cerebrum

Explanation:

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Q:

Organisms that use light to prepare food are known as _____.

A) Autotrophs	B) Heterotrophs
C) Omnivores	D) Decomposers

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