General Science Class 6 MCQS

Olfactory bulb is present in:

1. Brain
2. Nose
3. Ear
4. Throat

Why does a piece of bread become wet when chewed in ___ and it tastes sweet.

1. Tongue
2. Mouth
3. Intestine
4. None

What is the tongue, and what causes its rough structure?

1. Gland, Taste buds
2. Muscular organ, Papillae
3. Nerve, Fissures
4. Muscular organ, Glands

Leaves contains thin veins to transport:

1. Oxygen
2. Carbon Dioxide
3. Food
4. Minerals

Carbon dioxide enters into plants through:

1. Roots
2. Leaves
3. Petals
4. Stomata

Stomata present in leaves help the plant in:

1. Absorption
2. Evaporation
3. Chlorophyll
4. Chromoplast

The green pigment present in leaves is called?

1. Chloroplast
2. Chromoplast
3. Chlorophyll
4. None

The products of the reaction between carbon dioxide and water are:

1. Glucose (C6H12O6) and Nitrogen (N2)
2. Glucose (C6H12O6) and Oxygen (O2)
3. Starch (C6H10O5) and Water (H2O)
4. Cellulose (C6H10O5) and Carbon Monoxide (CO)

Which is the useful product for plants?

1. Oxygen
2. Water
3. Glucose
4. Carbon Dioxide

Which gas is transported out of the leaf into the air?

1. Carbon Dioxide (CO2)
2. Nitrogen (N2)
3. Water Vapor (H2O)
4. Oxygen (O2)