biology MCQs – Page 5

Practise multiple-choice questions from biology for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

biology Mcqs

81. Malaria is associated with___________?
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A. Culex Mosquito

B. Culiesta Mosquito

C. Anopheles Mosquito

D. Culex & Anopheles Mosquito

82. Which one of them is a micro-molecule?
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A. Protein

B. Hemoglobin

C. ATP

D. Polysaccharide

83. Pox viruses are_________?
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A. DNA enveloped

B. RNA non-enveloped

C. RNA enveloped

D. DNA non-enveloped

84. Who discovered the living cell first time?
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A. Robert hooke

B. Antoni van leeuwenhoek

C. Robert brown

D. Rudolf virchow

85. Earthworm is included in_____________?
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A. Kingdom Plantae

B. Kingdom Animalia

C. Kingdom Protoctista

D. Kingdom Monera

86. A group of similar cells that perform a specific function is:
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A. Organ System

B. Organelle

C. Organ

D. Tissues

87. ___________ is concerned with cell secretions?
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A. Lysosomes

B. Golgi complex

C. Cell membrane

D. Endoplasmic reticulum

88. Group of living organisms of the same species living in the same place at the same time is called ?
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A. Ecosystem

B. Community

C. Population

D. Biome

89. ______________ of earth surface is covered with water?
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A. 90%

B. 75%

C. 30%

D. 10%

90. The main types of plastids are___________?
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A. Chromoplasts

B. All of these

C. Chloroplasts

D. Leucoplasts

91. _____________________ contains the green chemical called chlorophyll.
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A. Cytoplasm

B. Cell membrane

C. Vacuole

D. Chloroplasts

92. Steps Involved in scienti?c method are ?
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A. Hypothesis >Accumulated data > observation & experimentation > conclusion

B. Accumulated data New data Observation & experimentation Hypothesis > Conclusion

C. Accumulated data > Hypothesis > Observation & experimentation > New data > Conclusion

D. New data > Conclusion > Accumulated data > Observation & experimentation

93. Fungi resemble plants because they lack___________?
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A. Nucleus

B. Centriole

C. Cytoplasm

D. Cell wall

94. Destruction of all life forms is called___________?
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A. Disinfection

B. Sterilization

C. Preservation

D. Antisepsis

95. Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?
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A. Physiology

B. Atomic biology

C. Biochemistry

D. Molecular biology

96. In 1831, the presence of nucleus in the cells was reported by__________?
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A. Robert Brown

B. Robert Hooke

C. Robert Mug Abe

D. Robert Koch

97. Alternation of generations is absent in___________?
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A. Hydration

B. Jelly fish

C. Physalia

D. Obelia

98. Robert Hooke discovered_____________?
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A. Cell

B. Mitochondria

C. Nucleus

D. DNA

99. Exact replica of chromosome refers to ___________?
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A. Centromere

B. Kinetochore

C. Chromatid

D. Arms

100. _________________ cells of phloem are directly involved in transport of organic solutes?
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A. Companion cell

B. Tracheid

C. Sieve element

D. Parenchyma

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