Diversity in Cells

Q. Gases like carbon dioxide and oxygen can move across the cell membrane.

1. True
2. False

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

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

Q.

Give importance of plasmolysis?

Q.

The opposite of plasmolysis is called deplasmolysis.

1. True
2. False

Q.

What is the function of a microscope?

Q. Which of the following is not a eukaryotic cell?​

1. Plant Cell ​
2. Animal Cell
3. Bacterial Cell
4. Cell of Amoeba

Q.

Which structures are responsible for the movement and capture of food in amoeba?

1. Cillia

2. Legs

3. Pseudopodia

4. Cell wall

Q.

Plasmolysis is reverse of deplasmolysis.

1. True
2. False

Q. Assertion [A]: Majority of the cells cannot be seen directly with the naked eye.

Reason [R]: All the cells are microscopic in size.

1. Only A is correct
2. Only R is correct
3. Both A and R are correct, and R is the correct explanation for A
4. Both A and R are correct, but R is not the correct explanation for A

Q.

Unscramble the letters to find a word that is related to the instrument.

ROETELNC OMEPSIROCC- An instrument that records images of viruses by shooting tiny atom particles at an object

Q. Arrange the following discoveries regarding cells in chronological order.

i. All plants and animals are made up of cells.
ii. Invention of microscope.
iii. Cork has structures like cell.

1. i, iii, ii

2. i, ii, iii

3. ii, iii, i

4. iii, ii, i

Q. No of unit cells in 10g of Nacl??(M=58.59) How to do this question??

Q. What does withdrawing of pseudopodia mean?