Nucleus in Cells

Q.

Describe the structure and function of nucleus.

Q.

What is the function of cytoplasm?

Q.

What is the full form of DNA and RNA?

Q.

Where are genes located?

Q.

What are the function of nucleus?

Q.

What are cisternae ?

Q. What are the functions of nucleus, plastids, cell wall , cell membrane, vacuoles

Q.

Who discovered the cytoplasm and nucleus?

Q.

Who coined the term protoplasm? [2 MARKS]
Distinguish between a protoplasm and a cytoplasm.

Q.

What is the difference between chromatin, chromosomes and genes?

Q.

What Is The composition of protoplasm?

Q.

What will happen in a cell if its nucleus is removed? Give reasons in support of your answer

Q.

Give an illustrated account of nucleus.

Q.

Endoplasmic reticulum functions as a cytoplasmic framework of the cell . Explain.

Q.

Are histones acidic or basic?

Q. what are Granules

Q.

What is functional segment of DNA?

Q.

what is a gene?where is it located?write its functions

Q. Q1)"the nuclear membrane has pores which allow the transfer of material from inside the nucleus to its outside , that is to the cytoplasm"
The nuclear pores allow the transfer of what all material from inside the nucleus to the outside ? What is the importance of this transfer?

Q. Divya set up an experiment to investigate the outcome when different cell parts of a plant leaf are removed. The results are recorded as shown in the table given.

Cell Parts	Outcomes
P	The cell could not function properly and died.
Q	Boiled leaf remained the same when iodine solution was added to it.
R	The cell could not control the substances entering and exiting it.
S	The cell lost its regular shape

Identify the parts and write one function that best represents P, Q, R and S.

Q.

Read the following statements and identify the correct option given.
I. In prokaryotic cell. The nuclear membrane, chloroplast, mitochondria, microtubules and different kinds of pili are absent.
II. In eukaryotic cell, the nuclear membrane, chloroplast, mitochondria and pili are present.
III. In prokaryotic cell, the ribosome is of 70 S type and in mitochondria of eukaryotic animal cell, the ribosome is of 80 S type.

1. I and II are wrong; III is correct
2. I is correct; II and III are wrong
3. I and II are correct; III is wrong
4. I, II and III are wrong

Q.

Where Are Ribosomes Synthesized?

Q.

Explain membrane biogenesis

Q.

Differentiate between ectoplasm from endoplasm.

Q.

Cell activities are controlled by whom?

Q.

Is the nucleus a cell organelle?

Q.

Where do the ribosomes get synthesized?

Q.

What is the location of following in the cell :

(a) Chromatin

(b) Chromosome

(c) Tonoplast

(d) Nucleolus

Q.

What are the types of heterochromatin?

Q.

Are ribosomes made in the nucleolus?