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1250 Important Biology MCQ Question and Answer PDF

4000 Important General Science MCQ Question & Answer in PDF Download

1.Which among the following is also called as “power house” of the cell?

  • APlastids
  • BMitochondria
  • CGolgi bodies
  • DCell wall
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Correct Answer : (B)

Mitochondria
Explanation:

2.How does a Unicellular Organism reproduce?

  • ACell division
  • BCell reproduction
  • CCell synthesis
  • DFragmentation
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Correct Answer : (A)

Cell division
Explanation:

3.What is the full form of DNA?

  • ADiribo nucleic acid
  • BDi nucleic acid
  • CDual nitrogen acid
  • DDeoxyribonucleic acid
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Correct Answer : (D)

Deoxyribonucleic acid
Explanation:

4.Animals in which the cells are arranged in three embryonic layers are called

  • ADiploblastic
  • BEctoderm
  • CTripoblastic
  • DEndoderm
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Correct Answer : (C)

Tripoblastic
Explanation:

5.What is the ultimate product of Glycolysis?

  • AEthyl alcohol
  • BCarbon dioxide
  • CPyruvic acid
  • DGlucose
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Correct Answer : (C)

Pyruvic acid
Explanation:

6.Lysosomes are known as suicidal bags because of their

  • AProtolytic enzymes
  • BParasitizing nucleus
  • CHydrolytic enzymes
  • DPhagocytic activity
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Correct Answer : (C)

Hydrolytic enzymes
Explanation:

7.Which of the following full form of ATP is correct?

  • AAdenosine tetra ? phosphate
  • BAdenine tetra ? phosphate
  • CAdenosine tri ? phosphate
  • DNone of the option is correct
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Correct Answer : (C)

Adenosine tri ? phosphate
Explanation:

8.Which of the following tissues are responsible for the secondary growth of plants?

  • ACortex
  • BCambium
  • CPhloem
  • DXylem
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Correct Answer : (B)

Cambium
Explanation:

9.Due to the presence of which of the following, there is a difference in animal cell and plant cell?

  • ARibosome
  • BCell wall
  • CChloroplas
  • DProtoplasm
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Correct Answer : (D)

Protoplasm
Explanation:

10.Which liquid is contained inside the nucleus of a cell?

  • ACytoplasm
  • BProtoplasm
  • CNucleoplasm
  • DNucleosome
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Correct Answer : (C)

Nucleoplasm
Explanation:

11.The bricks in a building are similar to  _________ in the living organisms.

  • ACells
  • BTissues
  • COrgans
  • DGlands
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Correct Answer : (A)

Cells
Explanation:

12.Cellulose is a polymer of  _________ .

  • AFructose
  • BGalactose
  • CGlucose
  • DSucrose
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Correct Answer : (C)

Glucose
Explanation:

13.Microorganisms are classified into how many major groups?

  • A1
  • B2
  • C3
  • D4
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Correct Answer : (D)

4
Explanation:

14.If cells are kept in some solution and the net result is that the cell swells up, the then the solution is  ________ .

  • AHypertonic solution
  • BIsotonic solution
  • CHypotonic solution
  • DAcidic solution
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Correct Answer : (C)

Hypotonic solution
Explanation:

15.Plasma membrane is made up of which organic molecules?

  • ACarbohydrates
  • BVitamin
  • CLipids and protein
  • DRoughage
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Correct Answer : (C)

Lipids and protein
Explanation:

16.Which of the following statement is INCORRECT?

  • AOviparous animal does not give birth to young ones
  • BEach sperm is a single cell
  • CExternal fertilisation takes place in frog
  • DFertilisation is necessary even in asexual reproduction
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Correct Answer : (D)

Fertilisation is necessary even in asexual reproduction
Explanation:

17.Which of the following multiplies very slowly in comparison to others?

  • ABacteria
  • BVirus
  • CFungi
  • DWorms
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Correct Answer : (D)

Worms
Explanation:
4000 Important General Science MCQ Question & Answer in PDF Download

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