CTET Science MCQ - General Science

11 Edible part of pomegranate is

A
pericarp
B
endocarp
C
succulent seed coat
D
placenta

View Explanation
Comment

The edible part of pomegranate is succulent seed coat

12 Urotropin is obtained from ammonia and ......... , which is used in urinary diseases

A
acetone
B
acetaldehyde
C
formaldehyde
D
acetic acid

View Explanation
Comment

Urotropin is obtained from ammonia and formaldehyede, which is used in urinary diseases.

13 Photoelectric cell is a device, which converts

A
chemical energy into light energy
B
light energy into electrical energy
C
electrical energy into light energy
D
magnetic energy into electrical energy

View Explanation
Comment

Photoelectric cell is a device, which converts light energy into electrical energy.

14 What will be correct sequence of atmospheric layers while going upwards from Earth's surface?

A
Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
B
Stratosphere, Mesosphere, Troposphere, Thermosphere, Exosphere
C
Exosphere, Thermosphere, Mesosphere, Stratosphere, Troposphere
D
Mesosphere, Thermosphere, Exosphere, Troposphere, Stratosphere

View Explanation
Comment

The correct sequence of atmospheric layers while going upwards from Earth's surface is : Troposphere → Stratosphere → Mesosphere → Thermosphere, Exosphere.

15 In the given picture, when sodium bicarbonate is added, what will be the effect at the rate of photosynthesis?

A
Increase
B
Decrease
C
Photosynthesis will not occur
D
No effect

View Explanation
Comment

The presence of sodium bicarbonate means there will be greater amount of carbon dioxide in water. This increases the speed of photosynthesis.

CTET Science MCQ - General Science

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