RRB GROUP D Biology Quiz - 71

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Question 1:

The cell theory proposed by

Question 2:

What is the speed of nerve impulse?

Question 3:

Which one of the following is not a bio-mass energy source?

Question 4:

Which of the following is not a root function?

Question 5:

What is the averages rate(In adults) of the heart beats (per minute) in an adult?

Question 6:

The process of DNA replication is affected by an enzyme known as

Question 7:

Species which are at the verge of extinction and can be found in a particular ecosystem are called-

Question 8:

How many base pairs are there in one full turn of the DNA double helix?

Question 9:

Thyroid- stimulating hormone, also known as thyrotropin, is secreted from

Question 10:

Which of the following hormones release from the adrenal gland release?