General Science Worksheet-7

General Science Worksheet-7

1. Which of the following is responsible for change in weather?

A. Sun                 B. Man               C. Wood             D. Television

2. Arjun wants to lift the rock as shown in the figure. At which point should he apply the force so that he could lift the rock easily?

A. a                      B. b                     C. c                      D. d.

3. Plants and animals survive in a habitat where _____.

A. they can find food

B. they can reproduce

C. they can protect themselves from their enemies

D. All of these

4. The blooming of buds into flowers shows that ___.

A. plants show movement

B. plants are non-living things

C. blooming is not a movement

D. plants do not grow

5. Ability to respond to stimuli like heat, touch, light, etc., is called ____.

A. sensitivity     B. excretion       C. adaptation    D. aestivation

6. Raju is feeling very hot on a summer day. He is sweating too much due to the blazing sun. What clothes will keep him comfortable?

A. Woollen clothes                       B. Cotton clothes

C. Nylon clothes                           D. Silk clothes

7. Which of the following products is obtained from sheep, yak and camel?

A. Cotton           B. Wool              C. Nylon             D. Silk

8. We have voice mail facility on ____.

A. Satellite phones                       B. Internet

C. Mobile phones                         D. Fax

9. Which of the following statement is true about the shadows formed by sun in different times in a day?

A. Sun forms longer shadows at noon and shorter shadows in the morning and evening

B. Sun's rays fall straight in the morning and fall with an increasing slant as the day progresses to the evening

C. Sun's rays form shorter shadows at noon and longer shadows in the morning and evening

D. The area of shadow formed at noon is greater than the area of the shadow formed in the morning and evening

10. Two dishes containing water are kept in front of a fan. One dish is kept closer than the other. Water will be evaporated faster in the _____.

A. Dish closer to the fan

B. Dish farther to the fan

C. Water will be evaporated same in both the dishes

D. Wind blown by the fan has no effect on the rate of evaporation

Answer Key:

(1)–A; (2)–D; (3)–D; (4)–A; (5)–A; (6)–B; (7)–B; (8)–C; (9)–C; (10)–A