PrepBharat

1. Both cilium and flagellum emerges from centriole like structure which is called
a) Basal granules
b) Basal bodies
c) Basal lamina
d) Basal ganglion

View Answer

2.The name ‘chromatin’ was given by
a) Robert Brown
b) Fleming
c) Schwann
d) Ramchandran

View Answer

3. The outer membrane of nucleus remains continuous with which cell organelle
a) ER
b) Golgi body
c) Lysosome
d) All of these

View Answer

4. The perinuclear space is about
a) 1–5 nm
b) 5–10 nm
c) 10–50 nm
d) > 100 nm

View Answer

5. The following cells are without nucleus
a) Erythrocytes of many mammals
b) Sieve tube cells of vascular plant
c) Bacterial cell
d) All of these

View Answer

6. The site of active ribosomal RNA synthesis is
a) Nucleolus
b) Mitochondria
c) Cytoplasm
d) All of these

View Answer

7. Chromatin contains
a) DNA
b) Basic protein histone
c) Some non-histone protein and RNA
d) All of these

View Answer

8. How long a DNA is distributed in our forty six chromosomes?
a) 1 metre
b) 3 metre
c) 2 metre
d) 4 metre

View Answer

9. Based on the position of centromere, the chromosomes are classified into how many types?
a) 1
b) 3
c) 2
d) 4

View Answer

10. Identify A, B, C and D given in the figure.

a) A–Nucleoplasm, B–Nucleolus, C–Nuclear pore, D–Nuclear membrane
b) A–Nucleolus, B–Nucleoplasm, C–Nuclear membrane, D–Nuclear pore
c) A–Nuclear pore, B–Nuclear membrane, C–Nucleoplasm, D–Nucleolus
d) A–Nuclear membrane, B–Nucleoplasm, C–Nuclear pore, D–Nuclear membrane

View Answer