Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. A substance that stimulates the production of antibodies when introduced into a living organism is known as—
a. carcinogen
b. androgen
c. antigen
d. oestrogen
Q. Night blindness results from the deficiency of —
a. Glucose
b. Vitamin-E
c. Vitamin-B
d. Vitamin-A
Q. Which of these components of the blood is responsible for clotting -
a. R.B.C.
b. Lymphocytes
c. Monocytes
d. Platelets
Q. A person will have brown eyes, blue eyes or black eyes depending on the particular pigment present in the :
a. Pupil
b. Cornea
c. Iris
d. Choroid
Q. Which of the following crops are used for producing Bio fuels?
a. Sugarcane
b. Corn
c. Jatropha
d. All options are correct
Q. Which one of the following has most corrosive effect?
a. Air
b. Carbon dioxide
c. Plants
d. Water
Q. The scientist who explained about blood circulation for the first time was -
a. Antonyvan Leewen Hock
b. William Harvey
c. Gregor Mendel
d. Ronald Ross
Q. What are the basic units from which human spare parts can be created?
a. Nerve cells
b. Stern cells
c. Heart cells
d. Kidney cells
Q. The pollen grains of flowers pollinated by insects are :
a. smooth and dry
b. rough and sticky
c. rough and dry
d. large and, showy
Q. Which of the following structures present in mammalian skin directly helps in keeping the body warm?
a. Pigmented cells
b. Sweat glands
c. Lymph vessels
d. Blood capillaries
Q. Which from the following diseases usually spreads through milk?
a. Tuberculosis
b. Jaundice
c. Diphtheria
d. Cholera