The Fundamental Unit of Life — Science STD 9 — Question

Where are the organelles embedded in a cell?

Which of the following yields maximum milk/ year?

Arthropods are characterised by:

1. Jointed legs.
2. Jointed appendages.
3. Chitinous exoskeleton.
4. All the above.

Which one is an acute disease:

1. Diabetes.
2. Tuberculosis.
3. Hypertension.
4. Typhoid.

Air is:

1. Exhaustible resource.
2. Inexhaustible resource.
3. Perishable resource.
4. Both (b) and (c).

Hotspots of biodiversity means:

1. Areas of the Earth that contain many endemic species.
2. Species serves as proxy for entire communities in particular areas.
3. Species in particular niche/ area.
4. Species diversity at particular areas.

The total number of species, that are known and described, range between:

1. 0.5-1.0 million.
2. 1.1-1.2 million.
3. 1.7-1.8 million.
4. 2.5-3.0 million.

The quality of crop varies from one crop to another. Which of the following improved quality is desirable in pulses?

The organelle found in prokaryotic cell is:

Which one of the following species of honey bee is an Italian species?