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

Question : 6

Which cell organelle is known as the control centre of the cell ?

a) Endoplasmic reticulum

b) Chloroplast

c) Nucleus

d) Mitochondria

Question : 7 [PSC (Pre) 2017]

Which of the following does not have sex-chromosome?

a) Tiger

b) Butterfly

c) Monkey

d) Lizard

Question : 8

Chiasmata are first seen in

a) zygotene

b) leptotene

c) pachytene

d) diplotene

Question : 9 [MPPCS (Pre) 2010]

What is not found in the animal cell?

a) Nucleus

b) Entire cell

c) Cell wall of cellulose

d) None of the above

Question : 10

An important character of chordata is presence of

a) dorsal hollow nerve cord

b) dorsal notochord

c) post-anal tail

d) all the above