set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

Generally, Orobanche weed is found in

a) Rice field

b) Tobacco field

c) Gram field

d) Wheat field

Question : 2

Assertion (A) :
In human beings, the female play a major role in determining the sex of the offspring.
Reason (R) :
Women have two X-chromosomes.

a) A is true, but R is false

b) Both A and R are true and R is the correct explanation of A

c) Both A and R are true, but R is not a correct explanation of A

d) A is false, but R is true

Question : 3

James D. Watson and Francis Crick are associated with the discovery of

a) Anti-malarial drugs

b) Vaccine

c) Structure of DNA

d) Penicillin

Question : 4

From heredity point of view which marriage is not suitable

a) Both Rh (–)

b) Man Rh (–) and Woman Rh (+)

c) Both Rh (+)

d) Man Rh (+) and Woman Rh (–)

Question : 5

Terminator technology promotes the sale of which of the following that is/are generated by it?

a) Genetically engineered seeds sterile in next generation

b) Transgenic fertile seed

c) Gene modified plants

d) All of the above

Question : 6

Which one of the following is the bioethically non-controversial source of stem cells as an alternative to the highly controversial embryonic stem cells?

a) Blood of foetus

b) Bone marrow - derived stem cells

c) Amniotic fluid derived stem cells

d) Blood of babies