The necessity to maintain International peace led to the establishment of the United Nations Organisation. With reference to the statement, answer the following: Write any three functions of UNESCO that...

The particles present in strong electrolytes are:

1. only molecules
2. mainly ions                                                                                                                                                                         
3. ions and molecules
4. only atoms.

The layer of the eyeball that provides nourishment to the eye.

Calculate: The volume occupied by 80 g of carbon dioxide at STP.

Give the full form of UNICEF and WHO.

Given below is the outline of the human body showing the important glands:

1. Name the glands marked 1 to 4.
2. Name the hormone secreted by part 2. Give one important function of this hormone.
3. Name the
...

The wax-like layer on the epidermis of leaves which reduces transpiration.

The removal of nitrogenous wastes from the body.

Give the Biological / technical term

Name the following elements:

1. An alkaline earth metal present in group 2 and period 3.
2. A trivalent metal used to make light tools.
3. A monovalent non-metal present in fluorspar.

The Second half of the 19th century witnessed the growth of a strong feeling of Nationalism. With reference to the statement, answer the following: State any three ways in which the Press played an...

Laboratory preparation of Nitric acid

What are acoustically measurable quantities related to pitch and loudness?

State the main function of the following:

1. Lymphocytes of blood
2. Leydig cells
3. Guard cells
4. Eustachian tube
5. Corpus luteum

A boy weighing 40kgf climbs up a stair of 30 steps each 20cm high in 4 minute and a girl weighing 30kgf does the same in 3 minutes. Compare:-

1. The work done by them.
2. The power developed by them.

Name the countries that formed the Axis Bloc, during World War II.

Leaf and Liver [form in which glucose is stored]

Differentiate between the following pairs on the basis of what is indicated in the brackets.