Introduction to Cell Cycle

Q. Nuclear membrane reappears in
(a) metaphase
(b) prophase
(c) telophase
(d) anaphase

Q.

What is cryopreservation?

Q. A 'V' shaped chromosome has to
(a) acrocentric
(b) metacentric
(c) telocentric
(d) sub-metacentric

Q. Chromosomes largely consist of
(a) DNA and histones
(b) DNA and RNA
(c) RNA and histones
(d) histones and ions

Q. What is the importance of DNA?

Q. Nucleus contains ________ which are rod shaped structures.

1. Cytoplasm
2. Chromosomes
3. Chromatin
4. Carbon particles

Q. The onion cell has 16 chromosomes before S phase. How many chromosomes are present in the onion cell after S phase?

A) 16 chromosomes
B) 32 chromosomes
C) 64 chromosomes
D) 8 chromosomes

Q. How is interphase important?