Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Which one of the following glands is responsible for secretion of sex hormones?
a. Adrenal gland
b. Thyroid gland
c. Pituitary gland
d. Sebaceous gland
Q. In cauliflower plant the useful part is :
a. Underground stem
b. Root
c. Young inflorescence
d. Leaves
Q. A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from the blood extra
a. glucose
b. insulin
c. glucagon
d. salt
Q. Which enzyme is present in all members of the animal kingdom except Protozoa?
a. Insulin
b. Pepsin
c. Renin
d. Amylase
Q. Which of the following micro- organisms is used in milk curdli –
a. Acetobacter
b. Leticonost
c. Bacillus
d. Lactobacillus
Q. The ambient air quaility standard (24 hours' average) for lead in industrial area is
a. 0.65 pg/m3
b. 0/5 pg/m3
c. 1.0 pg/m3
d. 1.5 pg/m3
Q. The release of which of the following into ponds and wells helps in controlling mosquitoes?
a. Snaii
b. Crab
c. Dogfish
d. Gambusia fish
Q. The ambient air is stable when the ambient lapse rate is –
a. Neutrally stable
b. Hyper-adiabatic
c. Sub-adiabatic
d. Super-adiabatic