Cells

Q.

The bodies of living organisms are made of tiny units called __

Q.

What is the role of nucleus in a cell?

1. It contains the hereditary material

2. It regulates the entry and exit of materials in a cell

3. It helps in recycling cellular components

4. It synthesises digestive enzymes

Q. is the smallest structural and functional unit of an organism.

1. A tissue
2. A cell
3. An organ

Q. Cell membrane encloses all the contents of the cell.

1. False
2. True

Q. Cell membrane encloses all the contents of the cell.

1. False
2. True

Q. The algal part of lichen prepares food for both fungi and algae.

1. False
2. True

Q.

In plant and animal cells, the control centre of the cell is _______________.

1. Nucleus
2. Cytoplasm
3. Chloroplast
4. Golgi body

Q. Which of the following pattern is seen due to the inheritance of traits from the first generation?

1. Offspring exactly similar to the parent
2. Dominant species
3. Offspring not similar to the parent
4. None of the above

Q. Which labelled cell is found in the nervous system?

1. Only P
2. Only Q
3. Only R
4. Only S

Q. Write the major function of pith and also describe the processes of tissue arrangement.