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Q 1.

Movement of cell against concentration gradient is called ?

A)  Osmosis
B)  Active transport
C)  Diffusion
D)  Passive transport
Answer & Explanation Answer: Active transport

Explanation:

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MCQ Type: Biology, Biology, General Knowledge, UGC NET

Q 2.

Plants receive their nutrients mainly from ?

A)  Chlorophyll
B)  Atmosphere
C)  Light
D)  Soil
Q 3.

Pollination is best defined as

A)  Transfer of pollen from anther to stigma
B)  Germination of pollen grains
C)  Growth of pollen tube in ovule
D)  Visiting flowers by insects
Answer & Explanation Answer: Transfer of pollen from anther to stigma

Explanation:

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MCQ Type: Biology, Biology, General Knowledge, UGC NET

Q 4.

Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to

A)  Angiosperms
B)  Gymnosperms
C)  Monocotyledons
D)  Dicotyledons
Q 5.

Ozone hole refers to

A)  Hole in ozone layer
B)  Decrease in the ozone layer in troposphere
C)  Decrease in thickness of ozone layer in stratosphere
D)  Increase in the thickness of ozone layer in troposphere
Answer & Explanation Answer: Decrease in thickness of ozone layer in stratosphere

Explanation:

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MCQ Type: Biology, Biology, General Knowledge, UGC NET

Q 6.

Ordinary table salt is sodium chloride. What is baking soda ?

A)  Potassium chloride
B)  Potassium carbonate
C)  Potassium hydroxide
D)  Sodium bicarbonate
Answer & Explanation Answer: Sodium bicarbonate

Explanation:

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MCQ Type: Biology, Biology, General Knowledge, UGC NET

Q 7.

Organic Substances which, in very small amounts, control growth and development called ?

A)  Vitamins
B)  Hormones
C)  Enzymes
D)  None of the above
Q 8.

Our major foods, fibers, spices, fruits and beverage crops are

A)  Flowering plants
B)  Gymnosperms plants
C)  Pteridophytes
D)  Bryophytes
Answer & Explanation Answer: Flowering plants

Explanation:

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MCQ Type: Biology, Biology, General Knowledge, UGC NET

Q 9.

Movements due to light are shown by ?

A)  Flowering plants
B)  Lower plants
C)  All land plants
D)  All the plants
Answer & Explanation Answer: Flowering plants

Explanation:

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MCQ Type: Biology, Biology, General Knowledge, UGC NET

Q 10.

Outer covering of virus made up of protein is ?

A)  Capsid
B)  Coat
C)  Virion
D)  Viroid