Diversity In Living Organisms — Science STD 9 — Question

The conversion of a solid into vapours without passing through the liquid state is called:

A homogeneous mixture of two liquids having a small difference (less than 25oC) in boiling points can be separated by using:

Percentage of total water found as fresh water is:

1. 46%
2. 32%
3. 16%
4. 2.5%

The technique used to separate salt from seawater is:

What is the unit of energy in food?

Hemophilia is a:

1. Acute disease.
2. Deficiency disease.
3. Chronic disease.
4. Congenital disease.

The body of organisms has chitinous cell wall and is made up of hyphae and mycelium:

1. Spirogyra.
2. Rhizopus.
3. Funaria.
4. Riccia.

'When a hanging carpet is beaten with a stick, the dust particles start coming out of it'. This phenomenon can be best explained by making use of:

1. Newton's third law of motion.
2. Newton's law of gravitation.
3. Newton's first law of motion.
4. Newton's second law of motion.

Roughage as a animal feed is rich in: