Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. In eye donation, which one of the following parts of donor's eye is utilized?
a. Iris
b. Lens
c. Cornea
d. Retina
Q. The natural disaster in which carbon- dioxide suddenly erupts from a deep lake water is known as .
a. Lacaustrine
b. Fluvial
c. Glacial
d. Liminic
Q. Conglobate gland is a leaf like structure found in –
a. Female Cockroach
b. Male Cockroach
c. Male Ascaris
d. Female Ascaris
Q. In the resistance colour code, the fourth band signifies –
a. tolerance level
b. power of ten
c. the total value of resistance
d. the material of the resistor
Q. The hormone used as an oral contraceptive is –
a. Cortisone
b. Progesterone
c. Testosterone
d. Aldesterone
Q. Transboundary pollution (or) Acid rain is caused by –
a. Carbon monoxide
b. Carbon dioxide
c. Hydrocarbon
d. Nitrogen oxide and sulphur dioxide
Q. At which stage in its life cycle, does the silk worm yield the fibre of commerce?
a. Egg
b. Larva
c. Pupa
d. Imago
Q. Which one of the following is responsible for blue baby syndrome?
a. Fluoride
b. Nitrate
c. Arsenic
d. Lead
Q. Maximum harm to a tree is caused by
a. loss of half of its leaves
b. loss of all leaves
c. loss of half of its branches
d. loss of its bark
Q. The humidity of air measured in percentage is called –
a. absolute humidity
b. specific humidity
c. relative humidity
d. all of these
Q. Which of the following is not an insectivorous plant?
a. Nepenthes
b. Utricularia
c. Drosera
d. Cuscuta
Q. The term 'Green Revolution' was coined by –
a. William Gaud
b. Charles Elton
c. Eugene Odum
d. M.S. Swaminathan