Cells

Question 1

Structure and function of Nucleus

Answer 1

It has an aspherical body which is covered by a double membrane
Contains hereditary materials, chromosomes and genes often centrally located in the cell

Question 2

Structure and function of the Chromosomes

Answer 2

They are located in the nucleus
Contains DNA which stores genetic traits

Question 3

Structure and function of Mitochondria

Answer 3

These are rod or oval shaped bounded by a double membrane
The power house of the cell
Sites for respiration

Question 4

Structure and function of Vacuole

Answer 4

It occupies large central portion of the plant cell
Lined with a membrane and filled with cell sap
It contains cell sap which acts as an osmoregulator by helping to remove excess water in the cell

Question 6

Structure and function of Nucleolus

Answer 6

They are dense structures within the nucleus
They produce ribosomes for protein synthesis

Question 7

Structure and function of Endoplasmic reticulum

Answer 7

They are membrane like structures that forms channels within the cytoplasm
They aid transport of materials within the cytoplasm

Question 8

Structure and function of Chloroplasts

Answer 8

These are large green organelles in plant cells. They contain chlorophyll
They contain chlorophyll which aid photosynthesis in green plants

Question 9

Structure and function of lysosomes

Answer 9

They are thin walled bodies and they contain enzymes
They are sites for respiratory enzymes

Question 10

Structure and function of Ribosomes

Answer 10

They are small round bodies attached to the ER
They are responsible for protein synthesis

Question 11

Structure and function of Cell wall

Answer 11

It is a tough, fairly rigid structure
It provides protection, shape and mechanical support of the cell

Question 12

Structure and function of Cell membrane

Answer 12

This is a flexible membrane made up of lipids
It also protects the cell