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Free download PDF of General knowledge(gk) multiple choice questions(mcqs) and answers on Biology. These general awareness quiz objective questions answers include mcqs on bacteria, microalgae, fungi etc.
(31)
The only snake that builds a nest is:
[A]
Krait
[B]
Chain viper
[C]
Saw-scaled viper
[D]
King Cobra
Comment
(32)
Which one of the following organisms can serve as a biofertilizer for rice crop?
[A]
Mycorrhizal fungi
[B]
Azotobacter sp.
[C]
Blue-green algae
[D]
Rhizobium sp.
Comment
(33)
In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as
[A]
dichogamy
[B]
heterogamy
[C]
monogamy
[D]
herkogamy
Comment
(34)
Which one of the following is an insectivorous plant?
[A]
Night queen
[B]
Pitcher plant
[C]
Flame of the forest
[D]
Passion flower plant
Comment
(35)
Fruits stored in a cold chamber exhibit longer storage life because
[A]
exposure to sunlight is prevented
[B]
there is an increase in humidity
[C]
rate of respiration is decreased
[D]
concentration of carbon dioxide in the environment is increased
Comment
(36)
Which one of the following antimicrobial drugs, is suitable for treatment of both tuberculosis and leprosy?
[A]
Isoniazid
[B]
Streptomycin
[C]
P-aminosalicyclic acid
[D]
Rifampicin
Comment
(37)
Besides proteins and carbohydrates, other elements of nutritional value found in milk, include
[A]
calcium and iron
[B]
potassium and iron
[C]
calcium and potassium
[D]
calcium, potassium and iron
Comment
(38)
Which one of the following type of microorganisms is most widely used in industries?
[A]
Bacteria
[B]
Bacteria and algae
[C]
Bacteria and fungi
[D]
Bacteria, microalgae and fungi
Comment
(39)
Consider the following statements
I. Tapeworm is a hermaphrodite
II. Round-worm has separate sexes
III. Filarial is caused by a nematode
IV. Guinea-worm is an annelid
Which of these are correct?
[A]
I and II
[B]
I, II and III
[C]
III and IV
[D]
II, III and IV
Comment
(40)
Consider the following conditions of a sick human body
I. Swollen lymph nodes
II. Sweating at night
III. Loss of memory
IV. Loss of weight
Which of these are symptoms of AIDS?
[A]
I and II
[B]
II, III and IV
[C]
I, III and IV
[D]
I, II, III and IV
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