Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. In plants water is absorbed by the root hairs by a process called:
a. Transpiration
b. Respiration
c. Perspiration
d. Osmosis
Q. Which one of the following is the most sensitive Indicator of the health of a community?
a. Birth rate
b. Infant mortality rate
c. Death rate
d. Maternal mortality rate
Q. Biodegradable wastes can usually be converted into useful substances with the help of -
a. bacteria
b. nuclear proteins
c. radioactive substances
d. viruses
Q. Which virus from the following combinations is contagious for human beings
a. H5N1
b. H2N3
c. H4N1
d. H4N2
Q. Cuscuta is a –
a. partial stern parasite
b. complete stem parasite
c. partial root parasite
d. complete root parasite
Q. The element which is required by the plant in large quantity –
a. Calcium
b. Nitrogen
c. Phosphorus
d. Sulphur
Q. Which one of the following gives energy to our body?
a. Vitamins
b. Water
c. Carbohydrates
d. Proteins