Cells Structure and Organization

1. What organelle in higher plant cells contains chlorophyll?

Centrioles

Mitochondrion

Chloroplast

Vacuole

Chloroplast contains chlorophyll which can trap sunglight.

Explanation

Chloroplast contains chlorophyll which can trap sunglight.

2. A cell that holds a lot of water will have large ___________________.

Nucleus

Mitochondrion

Vacuole

Cytoplasm

Vacuole stores cell sap.

Explanation

Vacuole stores cell sap.

3. Which of the cellular components can only be found in animal cells?

Mitochondrion

Centrioles

Nucleus

Cytoplasm

Mitochondrion, nucleus and cytoplasm can be found in bothe the animal cells and the plant cells.

Explanation

Mitochondrion, nucleus and cytoplasm can be found in bothe the animal cells and the plant cells.

4. Diagram below shows the cell organization in a multicellular organism.
Cell -->  Tissue --> P --> System --> Organism
Which part of the animal can be represented by P?

Digestive

Red blood cell

Kidney

Ovum

P is an organ. Kidney is an example of the organs.

Explanation

P is an organ. Kidney is an example of the organs.

5. What is the function of Structure 5?

Carries out photosynthesis

Gives the plant cell a regular shape

Site for chemical processes

Controls the activities of the cell

Structure 5 is cell wall. Cell wall helps to protects the plant cell and gives it a fixed shape.

Explanation

Structure 5 is cell wall. Cell wall helps to protects the plant cell and gives it a fixed shape.

6. Diagram below shows an animal cell. Which organelle A, B, C and D releases energy from ATP?

1

2

3

4

1 is mitochondrion. Mitochondrion releases energy from food substance during respiration.

Explanation

1 is mitochondrion. Mitochondrion releases energy from food substance during respiration.

7. How does a root hair cell increase its surface area to volume ration to absorb water effiently for plants?

It has biconcave shape.

It is long and narrow.

It does not have cross walls and protoplasm

It has lignin on its wall.

Xylem vessel does not have cross walls and protoplasm. It has lignin. A red blood cell has biconcave shape.

Explanation

Xylem vessel does not have cross walls and protoplasm. It has lignin. A red blood cell has biconcave shape.

8. Which organelle in an animal cell produces spindle fiber during cell division?

Centrioles

Mitochondrion

Chromatin

Vacuole

Centrioles play important role during cell division. It can only be found in animal cells.

Explanation

Centrioles play important role during cell division. It can only be found in animal cells.

9. Question 4 and Question 5 is based on the following diagram. Diagram below shows a plant cell. Which of the structure 1, 4, 5 and 7 cannot be found in an animal cell?