Science (English Medium) इयत्ता ११ - CBSE Question Bank Solutions

What is soil conservation? Suggest some measures to conserve soil.

How are north Indian rivers different from Peninsular rivers?

Which one of the following has the longest duration?

Which one of the following is not related to the formation or modification of the present atmosphere?

Life on the earth appeared around how many years before the present?

What is meant by the process of differentiation?

What was the nature of the earth surface initially?

What were the gases which initially formed the earth’s atmosphere?

List the stages in the evolution of the earth and explain each stage in brief.

In which part of the Himalayas do we find the Karewa formation?

In which of the following states is Loktak lake situated?

If you move from Badrinath to Sunderbans delta along the course of the river Ganga, what major geomorphological features will you come across?

What are the socio-economic advantages of the inter-linking of rivers in India?

Which one of the following phenomenon happens when the sun shines vertically over the Tropic of Capricorn in the southern hemisphere?

The primary tool for weather forecasting is______.

What is a weather chart?

Discuss how weather maps and charts are prepared.

How weather maps and charts are useful to us?

Study the following figures and answer the following questions.

1. Which seasons are shown in these maps?
2. What is the value of the highest isobar in Figure A and through which part of the country does it pass?
3. What are the values of the highest and the lowest isobars in Figure B and where are they located?
4. What are the patterns of temperature distribution in both the maps?
5. In which parts do you see the highest and the lowest mean temperature in Figure A?
6. What relationship do you see between the distribution of temperature and pressure in both the maps?

Figure A

Figure B

Which one of the following was the purpose of Project Tiger?