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3
Q:

Which are the special proteins in muscles that contract and relax to cause movement?

 

A) Contractile protein B) Receptor protein
C) Structural protein D) Enzymatic protein

Answer:   A) Contractile protein



Explanation:
Subject: Biology
Exam Prep: Bank Exams
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Which factor affects the heart rate in mammals?

A) Need for oxygen B) RBC count in blood
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Answer & Explanation Answer: A) Need for oxygen

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Proteins are polymers formed from

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Answer & Explanation Answer: B) amino acids

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Pancreatic juice require which medium for their action?

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Syngamy is defined as

A) the fission of one egg B) the fusion of one of the sperms with the synergid
C) the fission of one sperm D) the fusion of one of the sperms with the egg
 
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Arrange the following ina proper sequence.

A. Mutation

B. Reproductive isolation

C. Natural selection

D. Evolution

 

A) D,C,B,A B) C,B,A,D
C) A,C,D,B D) A,B,C,D
 
Answer & Explanation Answer: D) A,B,C,D

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Which of the following animals do NOT belong to the class of reptiles?

A) Crocodile B) Snake
C) Toad D) Turtle
 
Answer & Explanation Answer: C) Toad

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Ovules are found within structure

 

A) E B) D
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Answer & Explanation Answer: C) B

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Which of the following is NOT a pollination agent for cross pollination?

A) Water B) Animals
C) Wind D) Plants
 
Answer & Explanation Answer: D) Plants

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