Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Smut of wheat is mused by –
a. Ustilago maydis
b. Puccinia graminis
c. Ustilago tritici
d. Colletotrichum falcatum
Q. Which of the following is an endangered species?
a. Black buck
b. Blue sheep
c. Gangetic dolphin
d. Mithun
Q. Of the following man-made disasters, which is socially induced?
a. Debris Avalanche
b. Salt Water Intrusion
c. Arson
d. Ozone depletion
Q. Which one of the following endocrine gland is situated in the neck?
a. Pancreas
b. Thyroid
c. Pituitary
d. Adrenals
Q. For which one among the following diseases no vaccine is yet available?
a. Tetanus
b. Malaria
c. Measles
d. Mumps
Q. Potential of air pollution increases when the ventilation coefficient is –
a. > 119000 m2/s
b. > 7,600 m2/s
c. < 3.600 m2/s
d. < 6,000 m2/s
Q. In our body, antibodies are formed against pathogens in –
a. liver by RBC
b. blood by platelets
c. brain by macrophages
d. thymus by lymphocytes
Q. Nutrients are recycled in the atmosphere with the help of certain micro- organisms referred to as -
a. producers
b. consumers
c. decomposers
d. None of these
Q. Which of the following is known as 'grave yard' of RBCs?
a. Liver
b. Bone marrow
c. Spleen
d. Appendix