General Science Class 9 MCQS

Which one of the following are achlorophyllous and absorptive living organism?

1. Fungi
2. Algae
3. Bacteria
4. Plants

Scientific name of any organism should be _____ when printed.

1. Bold
2. Italicized
3. Underlined
4. Capitalized

Cutting down of trees called?

1. Afforestation
2. Conversation
3. Deforestation
4. Reforestation

Animals which are at the risk of extinction in future called?

1. Vulnerable
2. Extinct
3. Threatened
4. Endangered

Microscopes are instrument designed to produce _____ visual image.

1. Magnified
2. Enlarged
3. Inverted
4. Illuminated

Resolution of a microscope is defined as the smallest distance between _____ points.

1. One
2. Two
3. Three
4. Four

Magnification of a light microscope is formed by using mixture of the power of the eyepiece and the _____ lens.

1. Concave
2. Convex
3. Objective
4. Mirror

In plants, the cell wall is composed mainly of strong fibers of :

1. Cellulose
2. Starch
3. Proteins
4. Lipids

Cell membrane is composed of _____ layer.

1. Single
2. Double
3. Triple
4. None

Diffusion is a _____ process, which does not require energy input.

1. Active
2. Fast
3. Passive
4. Slow