The Fundamental Unit of Life — Science STD 9 — Question

Solar radiation heat-up:

1. Land faster than the water bodies.
2. Land slower than the water bodies.
3. Equally both land and water bodies.
4. Neither land nor water bodies.

The CGS unit of energy is:

What will happen if we put a plant and animal cell in the isotonic solution:

When will a body under the action of several forces have 0 acceleration? 

Name a physical quantity that remains constant in a uniform circular motion:

Which one of the following is not a metalloid?

Kitchen of the cell is:

The skin is devoid of scales in:

1. Cartilaginous fish.
2. Bony fishes.
3. Reptiles.
4. Amphibians.

For an element, Z = 9. The valency of this element will be:

Who reported that entity of an organism is not because of the cell but collection of many cells?