English Medium इयत्ता १० - CBSE Important Questions

The correct pattern of magnetic field lines of the field produced by a current carrying circular loop is:

Assertion (A): A current carrying straight conductor experiences a force when placed perpendicular to the direction of magnetic field.

Reason (R): The net charge on a current carrying conductor is always zero.

Give reason to justify the following: Flow of energy in a food chain is unidirectional.

"Our food grains such as wheat and rice, the vegetables and fruits and even meat are found to contain varying amounts of pesticide residues." State the reason to explain how and why it happens?

Explain how the pesticides enter a food chain and subsequently get into our body.

1. Why is the maximum concentration of pesticides found in human beings?  (1)
2. Give one method which could be applied to reduce our intake of pesticides through food to some extent.  (1)
3. Various steps in a food chain represent:  (1) 
   1. Food web
   2. Trophic level
   3. Ecosystem
   4. Biomagnification
4. With regard to various food chains operating in an ecosystem, man is a:   (1)
   1. Consumer
   2. Producer
   3. Producer and consumer
   4. Producer and decomposer

Assertion (A): The energy which passes to the herbivores does not come back to autotrophs.

Reason (R): The flow of energy in a food chain is unidirectional.

Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement. 

Answer the following question.
Classify resources on the basis of origin.

How is the issue of sustainability important for development? Explain with examples.

Answer the following question.
Explain the three factors that are crucial in deciding the outcome of the politics of social divisions.

How did nationalism emerge in Vietnam through the efforts of different sections of society to fight against the French? Analyse.

"The Civil Disobedience Movement was different from the Non-Cooperation Movement." Support the statement with examples.

U.S. entry into the war in Vietnam marked a new phase that proved costly to Vietnamese as well as to the Americans." Analyse the statement.

Three features A, B and C are marked on the given political outline map of India. Identify these features with the help of the following information and write their correct names on the lines marked in the map

A. The place where the Indian National Congress Session was held.

B. The place associated with peasant's satyagraha.

C. The city associated with the Jallianwala Bagh incident. 

How was the maritime silk route useful for Vietnam ?

Which among the following was the main reason for the weavers to revolt against contractors in Silesia, in 1845?

(A) Contractors reduced their payments drastically

(B) They stopped the supply of raw materials to them

(C) They refused to place orders for finished textiles

(D) Condition of weavers was very pitiable

Which among the following was the main reason to start the 'Tonkin Free School' in Vietnam?

(A) To provide 'Western Style Education'

(B) To provide 'Modern Education'

(C) To provide 'Science Education'

(D) To popularise the 'French Language'

How did the local people in the areas conquered by the Napoleon react to French rule? Explain.

Describe any three suppressive measures taken by the British administration to clampdown on nationalists.