Biology, Zoology & Botany Important MCQ Questions

G.K Questions for Biology, Zoology & Botany MCQ Questions Pdf Download

Q.1. In a normal human body, the total number of red blood cells is

  • (A) 15 trillion
  • (B) 20 trillion
  • (C) 25 trillion
  • (D) 30 trillion

(D) 30 trillion

Q. 2. Hybridization is

  • (A) Downward movement of water through soil
  • (B) A process of tilling the land
  • (C) Decayed vegetable matter
  • (D) Cross-fertilization between two varieties

(D) Cross-fertilization between two varieties

Q. 3. Heavy alcohol-consuming people generally die of

  • (A) Blood cancer
  • (B) Cirrhosis
  • (C) Liver or stomach cancer
  • (D) Weakening of heart muscles leading to cardiac arrest

(C) Liver or stomach cancer

Q. 4. The success of the Green Revolution depends on the availability of

  • (A) High Yielding Variety of seeds
  • (B) Adequate irrigation facilities
  • (C) Chemical fertilizers and pesticides
  • (D) All of these

(D) All of these

Q. 5. Doldrums is an area of

  • (A) Low temperature
  • (B) Low rainfall
  • (C) Low pressure
  • (D) Low humidity

(C) Low pressure

Q. 6. Of the four landmarks of medical history given below, which one was the first to take place?

  • (A) Plastic surgery
  • (B) Bypass surgery
  • (C) Test-Tube baby
  • (D) Organ transplant

(A) Plastic surgery

Q. 7. By genetic engineering technique, the first transgenic animals are produced among

  • (A) Transgenic Bacteria
  • (B) Transgenic Mice
  • (C) Transgenic Cow
  • (D) Transgenic Goat

(C) Transgenic Cow

Q. 8. Of the following foods, which one is the best source of protein?

  • (A) Butter
  • (B) Fish
  • (C) Lettuce Lettuce
  • (D) Milk

(B) Fish

Q. 9. Penicillin is widely used as

  • (A) An antiseptic
  • (B) A disinfectant
  • (C) An antibiotic
  • (D) An insecticide

(C) An antibiotic

Q. 10. Reproductive cells in human beings are produced

  • (A) In greater numbers for a longer period of time in the male
  • (B) For a longer period in the female than in male
  • (C) In equal number in both sexes
  • (D) In greater numbers by the female than by the male

(A) In greater numbers for a longer period of time in the male

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