Matter in Our Surroundings — Science STD 9 — Question

The compound plants composed of algae and fungi are called:

1. Algae.
2. Bryophytes.
3. Pteridophytes.
4. Lichens.

On converting 25°C, 38°C and 66°C to kelvin scale, the correct sequence of temperature will be:

Cell wall of fungi is made up of:

Which of the following is a mismatch?

1. Leprosy- bacterial infection.
2. AIDS- bacterial infection.
3. Malaria- protozoan infection.
4. Elephantiasis- nematode infection.

Which of the following contribute to green house effect?

1. Methane (CH₄).
2. Carbon dioxide (CO₂).
3. Chlorofluorocarbons (CFCs).
4. All of these.

A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to:

Cattles should be sheltered under well-ventilated roofed sheds that protect them from_____:

Chlorophyll is present in:

1. Matrix.
2. Stroma.
3. Cristae.
4. Thylakoid.

A branch of biology which deals with the identification, nomenclature and classification of organisms is called:

1. Morphology.
2. Ecology.
3. Taxonomy.
4. Phytogeography.

Coolers are more effective in areas with ___________?