RRB GROUP D Biology Quiz - 61

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Question 1:

The study of Improvement of human race by improving environment is known as ?

Question 2:

Which cell organelles have their own DNA and Ribosomes?

Question 3:

Growing of two or more crops simultaneously on the same field in a definite pattern is known as-

Question 4:

Sleeping sickness’ is caused by which of the following?

Question 5:

Which one among the following is a free-living animal?

Question 6:

Which of the following correct regarding study of drugs?

Question 7:

During seed germination, the part of the embryo which grows into root is

Question 8:

Which of the following is the first stage of sexual reproduction in organisms?

Question 9:

The plant mendel used to study inheritance of two genes is-

Question 10:

Who introduced chromosomal theory of inheritance?