Nucleus

Q.

Nucleolus is a

1. Round structure present near the nucleus in cytoplasm

2. Rod-shaped structure present near the nucleus in the cytoplasm

3. None of these

4. Round structure composed of rRNA situated in the nucleus

Q. Nuclear membrane is in connection with

1. Smooth endoplasmic reticulum
2. Rough endoplasmic reticulum
3. Golgi apparatus
4. Lysosomes

Q. Which of the following terms can be used as an alternative to syncytium?

1. Coenocytic
2. Multinucleate
3. Dikaryotic
4. Both a and b

Q. Nucleoproteins are synthesised in:

1. Nucleoplasm
2. Nuclear envelope
3. Nucleolus
4. Cytoplasm

Q. All the functions of the cell are controlled by the

1. vacuole
2. endoplasmic reticulum
3. mitochondrion
4. nucleus

Q.

What are nuclear pores? State their function.

Q. Positively charged proteins which help in packaging of DNA into nucleosomes are called.

1. chromosomes
2. nucleosomes
3. histones
4. chromatin