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Friday 14 June 2024

Biology MCQs Part 38 | NTS Biology MCQs With Answer

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Biology  Mcqs for Preparation specially for NTS, ECAT MCAT, CSS, PPSC, ETEA ,KPSC, EPPSC, PPSC, , and other test. here you will find Biology  mcqs.

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What are the main waste products produced during cellular respiration?

              A) Oxygen and glucose

              B) Carbon dioxide and water

              C) Water and glucose

              D) Carbon monoxide and oxygen

How is carbon dioxide removed from the body?

              A) Through urination

              B) Through perspiration

              C) Through defecation

              D) Through exhalation

What effect does the accumulation of carbon dioxide have on the body?

              A) Makes the blood more alkaline

              B) Makes the blood more acidic

              C) Increases blood sugar

              D) Decreases body temperature

What prevents heat from entering or leaving the body?

              A) Thick skin layers

              B) Thin layer of fat cells

              C) Blood vessels

              D) Sweat glands

What happens to the hairs on the skin in cold conditions?

              A) They stand up

              B) They lay flat

              C) They fall out

              D) They grow longer

What forms on the skin when muscles at the base of hair contract in cold conditions?

              A) Sweat

              B) Blisters

              C) Goose bumps

              D) Rashes

How does sweating help cool the body in warm conditions?

              A) By reducing blood flow

              B) By evaporation of sweat

              C) By standing hair

              D) By storing fat

Besides cooling, what else does sweating help remove from the body?

              A) Glucose

              B) Extra water, salts, and nitrogenous wastes

              C) Carbon dioxide

              D) Fat

What is the primary function of the kidneys in homeostasis?

              A) Filtering nitrogenous wastes

              B) Producing sweat

              C) Regulating body temperature

              D) Contracting muscles

How do the kidneys respond when there is more water in the blood?

              A) Retain more water

              B) Produce more urine

              C) Excrete more solutes

              D) Reduce sweat production

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