Nucleus

Q.

Write true or false.​

(ii) Osmosis includes diffusion, but not vice versa.

Q.

Choose the correct option-

A major site for the synthesis of lipids is?

1. RER

2. SER

3. Nucleoplasm

4. Symplast

Q. Which is the cartoon character that shares its name with that of a gene?

1. Tintin
2. Asterix
3. Popeye
4. Obelix

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

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

Q. Nuclear membrane is in connection with

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

Q. Chromatin fibers condense to form distinct structures called .

1. centrioles
2. spindle fibres
3. centrosome
4. chromosomes

Q. Chromatin fibers condense to form distinct structures called .

1. spindle fibres
2. centrosome
3. chromosomes
4. centrioles

Q.

Identify the following parts of a Nucleus on the basis of their significance _____.

1. 1. Nuclear membrane, 2. Nuclear pores, 3. Nucleolus, 4. Chromatin.

2. 1. Chromatin, 2. Nuclear membrane, 3. Nuclear pores, 4. Nucleolus.

3. 1. Nuclear pores, 2. Nucleolus, 3. Chromatin, 4. Nuclear membrane.

4. 1. Nucleolus, 2. Chromatin, 3. Nuclear membrane, 4. Nuclear pores.

Q. Chromatin fibers condense to form distinct structures called .

1. chromosomes
2. centrioles
3. centrosome
4. spindle fibres