Which of the following is true of enzymes?
A. Enzymes lowers the activation energy for the chemical reaction
B. Enzymes speed up the rate of a chemical reaction
C. Both A & B
D. Neither A nor B
Answer: Option C
Solution(By Examveda Team)
Enzymes lowers the activation energy for the chemical reaction and speed up the rate of a chemical reaction.This Question Belongs to General Knowledge >> 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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