Mention any two Repressive Colonial policies of Lord Lytton.

Gigantism and Acromegaly are due to:

1. Hyposecretion of Thyroxine.
2. Hyposecretion of Growth hormone
3. Hypersecretion of Thyroxine
4. Hypersecretion of Growth hormone

The aim of the Fountain Experiment is to prove that:

1. HCl turns blue litmus red
2. HCl is denser than air
3. HCl is highly soluble in water
4. HCl fumes in moist air.

Action of water on Calcium carbide.

Write a balanced chemical equation

The number of moles in 11gm of nitrogen gas is  is ______. (0.39, 0.49, 0.29) [atomic mass of N=14]

Name the factor that determines:

1. Loudness of the sound heard.
2. Quality of the note.
3. Pitch of the note.

Where do the following iron and steel plants get their supply of iron ore from?

1. Bhilai Iron and Steel Plant.
2. Vishakhapatnam Steel Plant.

The horrors of the two World Wars, led to the formation of the United Nations Organisation, while the formation of the Non-Aligned Movement followed later. In this context, Explain any three...

Preparation of ethanol from Ethyl Chloride.

Write balanced chemical equation.

Which coil of a step up transformer is made thicker and why?

The first and last term of a Geometrical Progression (G.P.) are 3 and 96 respectively. If the common ratio is 2, find:

1. ‘n’ the number of terms of the G.P.
2. Sum of the n terms.

Given below is a diagram of a human blood smear.

Study the diagram and answer the questions that follow:

1. Name the components numbered ‘1’ to ‘4’.
2. Mention two structural differences between the parts ‘1’
...

The type of immunity that exists in our body due to our genetic makeup.

Give appropriate biological / technical terms

Give a geographical reason: Petrochemical products are gaining popularity in modern times.

Under what condition can a non-member of Parliament be made a Minister?

Expand the following biological abbreviations:

1. ABA
2. IAA
3. ATP
4. DNA
5. TSH