Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Which lobe of human brain is associated with hearing –
a. Frontal lobe
b. Parietal lobe
c. Temporal lobe
d. Occipital lobe
Q. If the stomach did not produce any hydrochloric acid, which enzyme will not function?
a. Ptyalin
b. Rennin
c. Pepsin
d. Lipase
Q. The environment includes –
a. Abiotic factors
b. Biotic factors
c. Oxygen and Nitrogen
d. Abiotic and Biotic factors
Q. Rhizobium is a kind of –
a. Photosynthetic bacteria
b. Symbiotic bacteria
c. Parasitic bacteria
d. Saprophytic bacteria
Q. Which one of the following is an insectivorous plant?
a. Utricularia
b. Sequoia Gigantia
c. Nostoc
d. Bryophyta
Q. Polyploidy arises due to change in the
a. number of chromatids
b. structure of genes
c. number of chromosomes
d. structure of chromosomes
Q. The tree species most commonly used in social forestry is –
a. Peepal
b. Gulmohar
c. Eucalyptus
d. Mango
Q. The plant cell will shrink when placed in
a. An isotonic solution
b. Hypertonic solution
c. Hypotonic solution
d. Water
Q. Bacterial decomposition of biological material under anaerobic condition is –
a. fermentation
b. fertilization
c. contamination
d. composting
Q. The only living tissue in plant xylem is
a. Trachea
b. Xylem fibre
c. Xylem parenchyma
d. Tracheid