Briefly explain: There is a gradual increase in the forest cover in India in recent times

Name the following: An important transported soil of India.

Who appoints the Prime Minister of India

Mention two reasons to explain as to why we are facing water scarcity in recent times.

Complete the following equations:

1. S + conc. HNO₃ →
2. C + conc. H₂SO_4 →
3. Cu + dil. HNO₃ →

With reference to the cultivation of tea, Why is tea grown on hill slopes?

Give a geographical reason: Ratoon cropping is gaining popularity among sugarcane cultivators

The accessory gland in human males whose secretion activates the sperms.

Give appropriate biological / technical term.

What do you mean by the Recycling

Expand the following biological abbreviations:

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

State one advantage of inland waterways.

Write a balanced chemical equation: Producing ethane from bromo ethane using Zn / Cu couple in alcohol.

The model of a building is constructed with the scale factor 1 : 30.

1. If the height of the model is 80 cm, find the actual height of the building in meters.
2. If the actual volume of a tank at the top
...

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

Identify the substance underlined in each of the following:

1. The electrode that increases in mass during the electro-refining of silver.
2. The acid that is a dehydrating as well as a drying agent.
3. The
...

Name a manufacturing centre for each of the following industries:

1. Aircraft
2. HMT
3. Railway coaches