biological classification cell tissues and division - Category wise Question and Answer Practice Test with Solutions

Question : 16 [UPPCS (Pre) 1992]

How many chromosomes are there in humans?

a) 46

b) 56

c) 36

d) 26

Question : 17

Which of the following would you not find in a bacterial cell ?

a) Ribosomes

b) Cell membrane

c) DNA

d) Golgi apparatus

Question : 18 [PSC (Pre) 2017]

With reference to the latest developments in stem cell research, consider the following statement.

1. The only source of human stem cells are the embryos at the blastocyst stage.
2. The stem cells can be derived without causing destruction to blastocysts.
3. The stem cells can regenerate themselves in vitro virtually forever.
4. Indian research centres also created a few cell lines which can be developed into many types of tissues.

a) 1, 2 and 3

b) 1, 3 and 4

c) 1, 2, 3 and 4

d) 3 and 4

Question : 19

Regarding the sequence of cell cycle, which one is correct

a) G₂ , S, G₁ and M

b) S, G₁ , G₂ and M

c) G₁ , G₂ , S and M

d) G₁ , S, G₂ and M

Question : 20

Branches of botany dealing with the internal organization of plants known as

a) Cytology

b) Ecology

c) Physiology

d) Anatomy