Biology MCQs Online Quiz Test 3

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Biology Federal Public Service Commission MCQs

Q.1: Strong chlorosis is due to the deficiency of ——- in plants?

  1. Magnesium
  2. Nitrogen
  3. Potassium
  4. Phosphorus

B

Q.2: Stunted growth of roots is due to the deficiency of——in plants?

  1. Potassium
  2. Magnesium
  3. Phosphorus
  4. Iron.

C

Q.3: The liquid that escapes during defrosting frozen meat contains — bacteria?

  1. Campylobacter
  2. Nitrobacter
  3. Azobacter
  4. Salmonella

D

Q.4: One of the commonest cause of food poisoning are the toxins produced by—–?

  1. Azobacter
  2. Nitrosomonas
  3. Campylobacter
  4. Nitrobacter

C

Q.5: Puccinia commonly destroys——-?

  1. Corn
  2. Tomato
  3. Dodder
  4. Wheat

D

Q.6: Nodules on roots of leguminous plants have —– bacteria?

  1. Anaerobic
  2. Nitrogen fixing
  3. Nitrifying
  4. Ammonifying

B

Q.7: Earthworm is an example of ——-feeder?

  1. Detritus
  2. Fluid
  3. Macrophageus
  4. Filter

A

Q.8: All of the insectivorous plants are true——–?

  1. Heterotrophs
  2. Autotrophes
  3. Carnivores
  4. Saprotrophs

B

Q.9: Of the following, which one has more variety of nutrition——–?

  1. Animals
  2. Bacteria
  3. Plants
  4. Fungi

A

Q.10: Incomplete or imperfect digestion is known as—-?

  1. Obesity
  2. Dyspepsia
  3. Anorexia nervous
  4. Bulimia nervosa

B