Read the extract given below and answer the questions that follow:

Abou Ben Adhem (may his tribe increase!)
Awoke one night from a deep dream of peace,

- Abou Ben Adhem, Leigh Hunt

(i) What did Abou...

State one disadvantage of using coal as a source of power

What are superconductors?

Which one of the following is a Greenhouse gas

1. Oxygen
2. Methane
3. Sulphur dioxide
4. Nitrogen

A stone of mass ‘m’ is rotated in a circular path with a uniform speed by tying a strong string with the help of your hand.

Answer the following questions:

1. Is the stone moving with a uniform or
...

Read the extract given below and answer the questions that follow:

Bangle sellers are we who bear
Our shining loads to the temple fair...

- The Bangle Sellers, Sarojini Naidu

(i) Why does the poet use the...

From the top of a cliff, the angle of depression of the top and bottom of a tower are observed to be 45 and 60° respectively. If the height of the tower is 20 m. Find:

1. the height of the cliff
2. the
...

The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow:

1. Name the
...

Ionic or electrovalent compounds do not conduct electricity in their _____ state. (fused / solid)

The process of uptake of mineral ions against the concentration gradient using energy from the cell.

The Second half of the 19th century witnessed the growth of a strong feeling of Nationalism. With reference to the statement, answer the following: Write any three repressive Colonial policies of...

Explain any three types of cases in which the Supreme Court exercises its Original Jurisdiction.

Mature erythrocytes in humans lack nucleus and mitochondria.

Give scientific reason.

The Parliament is the body of people’s representatives who have Supreme power in a democracy. With reference to the Union Legislature answer the following: Why is it called a Permanent house?

The Powers and Functions of the Indian Parliament are wide ranging. In this context, Explain three ways by which the Legislature exercises control over the Executive.

The element with highest ionization potential is:

1. Hydrogen
2. Caesium
3. Radon
4. Helium