CBSE - VII
CBSE VII - Science Solved Questions
Question 1
A wooden spoon is dipped in a cup of ice cream. Its other end becomes cold by the process of conduction.A) True
B) False
Question 2
Construction of cyclone shelters in cyclone prone areas, and administrative arrangements for moving people fast to safer places should be taken care of by the government.A) True
B) False
Question 3
A car travelling at an average speed of 55 kmph takes 5 h to reach town B from town A. The distance between A and B is ____ km.A) 11
B) 575
C) 275
D) 60
Question 4
The wire used in the preparation of heating elements should have a high melting point.A) True
B) False
Question 5
The image formed by a concave mirror can be smaller or larger in size than the object.A) True
B) False
Question 6
About 1% of the total harvest of cocoons is left unboiled to enable the cocoons to ____.A) mature into silk moths
B) develop into butterflies
C) be sold in the market
D) die because they were useless
Question 7
Organic matter is added to ____ soil, since it neutralises the soil.A) highly acidic
B) slightly acidic
C) basic
D) magnetic
Question 8
The ozone layer protects living organisms on the earth by ____.A) absorption of heat from the earth
B) reflecting sun's light
C) cooling the earth's surface by trapping the water vapour
D) absorbing the ultraviolet radiations of the sun
Question 9
Which of the following structures present on stems and fruits, are used for breathing?A) Lenticels
B) Guard cells
C) Stomata
D) Xylem vessels
Question 10
The water utilized by plants for their metabolism is roughly ___ of the total absorbed water.A) 10 %
B) 5 %
C) 4 %
D) 1 %