Levels of Organization

Q.

Write a note on the size and the shape of the cell.

Q.

Assertion: Each organelle has a specific function in the cell.

Reason: An organ is a group of tissues which perform a similar function.

1. Both the assertion and reason are true and the reason is the correct explanation for assertion.

2. Both the assertion and reason are true and the reason is not the correct explanation for assertion.

3. If the assertion is true but the reason is false.

4. Both the reason and assertion are false.

Q.

Organisms that are made of more than one cell are known as ________.

1. multicellular
2. unicellular
3. prokaryotes
4. eukaryotes

Q. A group of cells with similar function is called

1. Organs
2. Tissues
3. Organism
4. Organ system

Q.

All living cells are of the same shape and size.

1. True

2. False

Q. Human beings are made up of _______.

1. one cell
2. one sponge
3. more than one cell
4. pieces of jelly

Q. Which of the following can accurately describe kidney?

1. It is a combination of different organs which work together to carry out a specific function.
2. It is a group of cells with similar function.
3. It is a tiny basic unit of an organism.
4. It is a combination of different tissues to carry out a specific function.

Q. All living cells are of the same shape and size.

1. True
2. False

Q. Choose the option which correctly depicts the biological levels of organisation.

1. Cell $\to$ Organ $\to$ Tissue $\to$ Organ system $\to$Organism
2. Organ system $\to$ Organ $\to$ Tissue $\to$ Cell $\to$ Organism
3. Cell $\to$ Tissue $\to$ Organ $\to$ Organ system $\to$ Organism
4. Cell $\to$ Tissue $\to$ Organ system $\to$ Organ $\to$ Organism