Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Bacteriophage was discovered by -
a. Felix d'Herelle and Frederick Twort
b. Kluyver and Niel
c. Paul Ehrlich
d. Burrill and Smith
Q. Genes are not found in pairs -
a. in body cells
b. in ovary after fertilization
c. in gametes
d. in zygotes
Q. Which vein brings clean blood from the lungs into the heart?
a. Renal Vein
b. Pulmonary Vein
c. Vena Cava
d. Hepatic Vein
Q. Leaving agricultural land uncultivated for some years known as –
a. Intensive farming
b. Fallowing
c. Shifting cultivation
d. Subsistence farming
Q. The gametophyte is called prothallus in
a. Pteridophyta
b. Bryophyta
c. Sperrnatophyta
d. Thallophyta
Q. The main function of palisade parenchyma in leaf is –
a. Antibiotics
b. Pollutants
c. Hormones
d. Toxins
Q. The harmful substances produced by the microbes are known as –
a. Antibiotics
b. Pollutants
c. Hormones
d. Toxins
Q. Which of the following fuels causes minimum environmental pollution?
a. Kerosene
b. Diesel
c. Coal
d. Hydrogen
Q. Which one of the following is the infective stage of the Malarial Parasite?
a. schigozoite
b. trophozoite
c. sporoblast
d. sporozoite
Q. The Ozone layer protects us from:
a. Cosmic rays
b. Ultra-Violet rays
c. Visible rays
d. Infrared rays
Q. Children especially in western countries who receive very little sunshine suffer from –
a. rickets
b. dermatitis
c. scurvy
d. kwashiorkor