biology MCQs – Page 4

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 Review each marked answer and report any item that may be outdated or unclear.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
61. Kingdom Protoctista includes____________?
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A. protists

B. Fungi

C. Piantae

D. Prokaryotes

62. In which animal respiratory surface are found in more than one organ?
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A. human

B. birds

C. fish

D. frog
63. Communities are ________ collection of organisms?
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A. Dynamic

B. None of these

C. Static

D. May be static or dynamic

64. With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the ?
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A. Organ System

B. Organs

C. Tissues

D. Cells
65. The molecules of living matter that provide building blocks are mostly based on:
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A. Nitrogen

B. Carbon

C. Hydrogen

D. Ammonia

66. All of the following are elements that plants need in very small amounts except___________?
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A. Chlorine

B. Hydrogen

C. Copper

D. Iron

67. Intake of liquid material by cell membrane is called___________?
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A. Endocytosis

B. Exocytosis

C. Phagocytosis

D. Pinocytosis
68. A large regional community primarily determined by climate is called__________?
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A. Population

B. Habitat

C. Community

D. Biome
69. ___________ is used to relieve one kind of headache, migraine?
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A. Lovastatin

B. Ergotin

C. Cyclosporine

D. Pencillin

70. The major cell infected by the HIV is lymphocyte ?
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A. helper-T

B. B

C. both T and B

D. none of these

71. Which disease can be controlled by vaccination?
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A. Cancer

B. Diabetes

C. Measles

D. Heart attack

72. Unbroken series of organisms arranged from ancestor to descendant sequence is____________?
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A. Evolutionary line

B. Phyletic lineage

C. Biodiversity

D. Connecting link

73. PCR stand for _________?
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A. Peptide chain reaction

B. Polymerase chain reaction

C. Pentapeptide chain reaction

D. Poly carbomyl reaction

74. The heart is enclosed in a membrane called________?
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A. peritoneum

B. pericardium

C. pleura

D. epithelium

75. If bile pigments are prevented from leaving digestive tract, then they cause_____________?
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A. Hepatitis

B. Gall stones

C. Jaundice

D. Blockage

76. Organelles are_______________?
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A. Non-cellular structures

B. Unicellular structures

C. Multi-cellular structures

D. Sub-cellular structures
77. Operculum is present in_____________?
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A. none of these

B. sea fish

C. cartilaginous fish

D. bony fish
78. Polysome is formed during __________ process?
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A. Transcription

B. Secretion

C. Division

D. Translation
79. Enterobius vermicularis is commonly known as____________?
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A. Tapeworm

B. Pinworm

C. Flatworm

D. Hook worm

80. Crop rotation helps in______________?
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A. Soil Infertility

B. Slowing of crops growth

C. Eradication of disease

D. Growth of pathogens