Biology MCQs with answers Page - 48

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Q. How many teeth does a normal adult dog have?

  • (A) 32
  • (B) 34
  • (C) 38
  • (D) 42

A

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Q. Consider the following digestive derivatives in the enzymatic hydrolysis of protein when acted upon by trypsin
1.polypeptides
2.metaproteins
3.peptones
4.proteoses
Their correct sequence in order of decreasing complexity is

  • (A) 2, 4, 3, 1
  • (B) 4, 2, 1, 3
  • (C) 2, 3, 4, 1
  • (D) 1, 2, 4, 3

A

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Q. The activity of an enzyme is affected by
1.The presence of an electrolyte
2.Temperature
3.pH
4.dilution
Select the correct answer by using the code below,

  • (A) 3 and 4 only
  • (B) 1, 2, 3 and 4
  • (C) 2 and 3 only
  • (D) 1, 2 and 3 only

A

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Q. In human teeth, the type that help in cutting are

  • (A) premolars
  • (B) incisors
  • (C) canines
  • (D) molars

A

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Q. Heavy alcohol consuming people generally dies of

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

A

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Q. Pulses are a good source of

  • (A) Vitamins
  • (B) Carbohydrates
  • (C) Fats
  • (D) Proteins

A

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Q. The universal donor blood group is

  • (A) O
  • (B) B
  • (C) A
  • (D) AB

A

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Q. In which of the following insects, a pigment called luciferin is found?

  • (A) Housefly
  • (B) Firefly
  • (C) Sandfly
  • (D) Fruitfly

A

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Q. Penicillin’ which is used as an antibiotic is obtained from :

  • (A) Bacteria
  • (B) Fungi
  • (C) algae
  • (D) Lichens

A

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Q. Which among the following have a ‘mixed heart’ ,that is the heart in which the oxygenated and the deoxygenated blood is mixed?

  • (A) Birds
  • (B) Fishes
  • (C) Reptiles
  • (D) Nematodes

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