Biology MCQs

These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App

1. Which of the following protects the body against infectious disease and foreign invaders?

[A] Leukocytes
[B] Red blood cells
[C] Endoplasmic reticulum (ER)
[D] Golgi apparatus

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2. In context with biology, which among the following is a Zoophyte?

[A] A plant that resembles an animal
[B] An animal that resembles a plant
[C] A plant that grows on an animal
[D] An animal that grows on a plant

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3. What is the average life of Red Blood cells in our body?

[A] 30-40 days
[B] 70-80 days
[C] 100-120 days
[D] 160-180 days

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4. A tablet of which among the following Vitamins should be advised to be used after purification of water by Iodine as a disinfectant?

[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D

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5. Which among the following live tissues of the Human Eye does not have blood vessels?

[A] Sclera
[B] Cornea
[C] Choroid
[D] Iris

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6. A person with “Bombay Blood group” can receive blood from a person who is from____?

[A] A Group or B Group
[B] AB Group
[C] O Group
[D] None of them

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7. The Science of using mechanical devices with human muscle skeleton and nervous systems to assist or enhance motor control lost by trauma, disease or defect is called:

[A] Gerontechnology
[B] Biomechatronics
[C] Orthotics
[D] Bionics

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8. Which of the following are longest cells of human body?

[A] Epethelial cells
[B] Pancreatic cells
[C] Nerve cells
[D] Epidermal cells

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9. When compared to the mammals, birds are less sensitive to temporary deprivation of water, because?

[A] The water requirement per unit weight is less in birds than in mammals.
[B] Absorption of water from the gut is more efficient in birds than in mammals.
[C] Urea excretion in mammals entails a greater loss of water than that in birds.
[D] None of these

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10. What is Rancidity?

[A] Deterioration of Fat
[B] Deterioration of Glucose
[C] Deterioration of Protein
[D] Deterioration of Vitamins

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