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General Science Worksheet-11

General Science Worksheet-11

 

  1. Identify the odd one out among the following.

A. Doctor           B. Lawyer          C. Teacher         D. Thief.

 

  1. Which of these is a living thing?

A. Rose plant                                 B. Wall clock

C. Motor cycle                               D. Big table

 

  1. Raj tied a dry plastic bag to some leaves on the plant near his house in the evening. When he checked the bag in the morning, he found droplets of water inside the bag. Can you give the reason?

A. It rained in the night

B. The water vapour in the atmosphere condensed into water

C. Plants lose water through the pores under their leaves

D. Somebody poured water in it

 

  1. Bleaching and dyeing are usually done ____.

A. Just before the fabrics are made

B. Before the yarns are made

C. After the fabrics are made

D. After the yarns are made

 

  1. Silk clothes are prepared from silkworms. At which of the following stages of the life cycle of silkworm, silk is produced?

A.                                   B.

C.                                      D.

 

  1. Who invented aeroplane?

A. The aeroplane brothers         B. The Wright brothers

C. Alexander Fleming                 D. Thomas Alva Edison

 

  1. Which of the following is used by the navy in naval warfare including the launch missiles?

A. Submarine                                B. Yacht

C. Motor boat                                D. All of these

 

  1. Why are light coloured clothes better than dark coloured clothes in summer?

A. Light colours are poor absorbers of heat

B. Light colours are good absorbers of heat

C. Light colours are good emitters of heat

D. Both A and C

 

  1. STD means ____.

A. Standard Trunk Dialing         B. State level Trunk Dialing

C. Subscriber Trunk Dialing       D. Specific Trunk Dialing

 

  1. Asma took two balloons. She has blown one balloon with her mouth. She filled another balloon with the vapours coming out of boiling water. When the balloons are released, she observed that the balloon with the hot vapours raised to more height than the other balloon. What can she learn from this experiment?

A. Hot air has more weight than the cold air

B. Boiling water gives energy to the balloon

C. Air likes hot balloons

D. Hot air has less weight and therefore it rises

 

Answer Key:

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