Practice MCQ Questions and answers on Biology-GK Page-10 section-3

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12

91.
Pickles, candies, jams and breads are preserved by the much of adding

A. Preservattives

B. Enzymes

C. Minerals

D. None of the above

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92.
Which type of bacteria get their food from dead organic matter?

A. Parasitic

B. Autotrophic

C. Saprophytic

D. None of the above

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93.
Heterocysts, specialised for nitrogen fixation, occur in certain

A. Red brown algae

B. Blue green algae

C. Ferns

D. Mosses

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94.
The number pyrenoids in Chlamydomonas is

A. 1

B. 2

C. 3

D. 4

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95.
Commercial agar is obtained from

A. Chlorella

B. Gracilaria

C. Parphyro

D. Volvox

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96.
Red snow causing alga is

A. Chamydomonas nivalis

B. Chlamydomonas reinhardtii

C. Chlamydomonas debaryanum

D. Chalmydomonas media

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97.
Cork-screw shaped bacteria are known as

A. Cocci

B. Bacilli

C. Spirilla

D. None of the above

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98.
Ringworm is a disease caused by

A. Fungi

B. Bacteria

C. Virus

D. Flies

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99.
Rod shaped bacteria are known as

A. Cocci

B. Bacilli

C. Spirilla

D. None of the above

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100.
Virus is not regarded as a cell, because

A. It is anactive unless it finds a host to multiply

B. Most of the cellular activity is absent

C. The genetic material does not replicate on its own

D. All of the above

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Practice MCQ Questions and answers on Biology-GK

91. Pickles, candies, jams and breads are preserved by the much of adding

Answer & Solution

92. Which type of bacteria get their food from dead organic matter?

Answer & Solution

93. Heterocysts, specialised for nitrogen fixation, occur in certain

Answer & Solution

94. The number pyrenoids in Chlamydomonas is

Answer & Solution

95. Commercial agar is obtained from

Answer & Solution

96. Red snow causing alga is

Answer & Solution

97. Cork-screw shaped bacteria are known as

Answer & Solution

98. Ringworm is a disease caused by

Answer & Solution

99. Rod shaped bacteria are known as

Answer & Solution

100. Virus is not regarded as a cell, because

Answer & Solution

Read More Section(Biology)

91.
Pickles, candies, jams and breads are preserved by the much of adding

92.
Which type of bacteria get their food from dead organic matter?

93.
Heterocysts, specialised for nitrogen fixation, occur in certain

94.
The number pyrenoids in Chlamydomonas is

95.
Commercial agar is obtained from

96.
Red snow causing alga is

97.
Cork-screw shaped bacteria are known as

98.
Ringworm is a disease caused by

99.
Rod shaped bacteria are known as

100.
Virus is not regarded as a cell, because