There are certain bacteria which can fix atmospheric gas named
A. Oxygen
B. Nitrogen
C. Hydrogen
D. Carbon dioxide
Answer: Option B
Solution(By Examveda Team)
Nitrogen-fixing bacteria are prokaryotic microorganisms that are capable of transforming nitrogen gas from the atmosphere into “fixed nitrogen” compounds, such as ammonia, that are usable by plants. Read about nitrogen fixation.Related Questions on Biology
Ordinary table salt is sodium chloride. What is baking soda?
A. Potassium chloride
B. Potassium carbonate
C. Potassium hydroxide
D. Sodium bicarbonate
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
A. angiosperms
B. gymnosperms
C. monocotyledons
D. dicotyledons
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
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