General Science Class 10

General Science Class 10 MCQs for 10th grade General Science and ability subject exam preparation online.

General Science Class 10 MCQs

Serve deficiency of Vitamin D results in :

1. Beriberi
2. Night Blindness
3. Scurvy
4. Rickets

How much percentage of water on the earth is freshwater?

1. 2.5%
2. 3.5%
3. 4.5%
4. 5.5%

The maximum mass of an atom is concentrated in :

1. Electron
2. Proton
3. Neutron
4. Nucleus

The audible range of normal human ear is :

1. 16 Hz to 20kHz
2. 10 Hz to 31kHz
3. 67 Hz to 45kHz
4. 20 Hz to 20kHz

Short-sightedness defect can be corrected by wearing a :

1. Convex Lens
2. Concave Lens
3. Prism Lens
4. Cylindrical Lens

A localized group of organisms that belong to the same species is called :

1. Biosphere
2. Community
3. Ecosystem
4. Population

The branch of Chemistry which deals with hydrocarbons :

1. Industrial chemistry
2. Inorganic chemistry
3. Organic chemistry
4. Physical chemistry

The biological functions which perform gaseous exchange?

1. Photosynthesis
2. Respiration
3. Both a and b
4. Growth

Plants do exchange of gases through :

1. Roots
2. Stomata
3. Stem
4. All of these

Each stoma is formed by :

1. One guard cell
2. Two guards cells
3. Three guard cells
4. Four guard cells