Select the correct statement about active and passive immunity.
A. A vaccination is an example of the introduction of passive immunity into the body
B. Active and passive humoral immunity are both mechanisms of adaptive immunity that use antibodies
C. Immunological memory is established by passive immunization
D. The antibodies utilized in active immunity are acquired from another organism
Answer: Option B
Solution(By Examveda Team)
Active and passive humoral immunity are both mechanisms of adaptive immunity that use antibodies.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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