Biology MCQs

1. Which among the following function as locus of biochemical reactions?
[A] Cell plasma
[B] Cell membrane
[C] Cell walls
[D] None of the above

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2. The Gram Positive Bacteria can be identified by the Gram staining because of the following reasons?
[A] The cell walls have more lipids compared to peptidoglycan
[B] The Cells walls have more Peptidoglycan compared to Lipids
[C] The Cells membrane has more fatty acids
[D] The plasma has Peptidoglycans

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3. Deposition of which among the following in the joints, causing inflammation is reason of Gout, one of the forms of arthritis?
[A] Lactic Acid
[B] Oxalic Acid
[C] Acetic Acid
[D] Uric Acid

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4. Why does the peepal tree continuously produce oxygen?
[A] C3 Photosynthesis
[B] C4 Photosynthesis
[C] Crassulacean Acid Metabolism
[D] Carbon Cycle Rebalancing

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5. Which of the following fishes lives in Ocean but moves to fresh water stream during reproduction?
[A] Eel
[B] Salmon
[C] Hilsa
[D] Herring

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6. Where in the human body is the stapedius muscle situated?
[A] Nose
[B] Ears
[C] Leg
[D] Eyes

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7. Who proposed five kingdom classification?
[A] Ernst Mayr
[B] M.W.Beijerinck
[C] R.H. Whittaker
[D] D.I Ivanovsky

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8. Which gland acts as thermostat of human body?
[A] Pancreas
[B] Pituitary
[C] Thyroid
[D] Hypothalamus

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9. Pollination by which among the following is called as ornithophily?
[A] Rodents
[B] Aquatic animals
[C] Ants
[D] Birds

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10. Study of the chemical nature of cells and tissues is known as__?
[A] Biochemistry
[B] Conchology
[C] Histochemistry
[D] Dermatology

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