CBSE (Central Board of Secondary Education) Class-6 Science: Questions 231 - 236 of 318
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Question 231
Question MCQ▾
The purpose of recharge well is:
Choices
Choice (4) | Response | |
---|---|---|
a. | To collect vast amount of water falling on ground quickly when it rains and make it seep into soil gradually | |
b. | To collect vast amount of water | |
c. | To recharge the ground water | |
d. | Question does not provide sufficient data or is vague |
Question 232
Question MCQ▾
The gas which helps to keep the earth warm is:
Choices
Choice (4) | Response | |
---|---|---|
a. | Oxygen | |
b. | Nitrogen | |
c. | Carbon-dioxide | |
d. | None of the above |
Question 233
Question MCQ▾
Aquatic animals and aquatic plants takes oxygen from air dissolved in:
Choices
Choice (4) | Response | |
---|---|---|
a. | Water | |
b. | Salt | |
c. | Question does not provide sufficient data or is vague | |
d. | All of the above |
Question 234
Question MCQ▾
Uses of air are:
Choices
Choice (4) | Response | |
---|---|---|
a. | Compressed air is used to fill tyres AND Dispersal of seeds and pollen | |
b. | For burning fuels | |
c. | Used by human beings for breathing | |
d. | All a., b. and c. are correct |
Question 235
Question MCQ▾
The amount of water vapour present in the air is known as:
Choices
Choice (4) | Response | |
---|---|---|
a. | Transpiration | |
b. | Evaporation | |
c. | Humidity | |
d. | Moisture |
Question 236
Question MCQ▾
The purpose of electric switch is to:
Choices
Choice (4) | Response | |
---|---|---|
a. | Close the circuit | |
b. | Turn on an electrical appliance | |
c. | Turn on or turn off an electrical appliance | |
d. | Turn off an electrical appliance |