Biology - MCQs with answers - Part IV

Biology - MCQs with answers - Part IV


Q1- Heart is partitioned into

(1) Two chambers, upper chamber called atria and lower chamber called ventricle.

(2) Four chambers two upper chamber called ventricles and two lower chambers called atria.

(3) Two chambers upper chamber called ventricle and lower chamber called atria.

(4) Four chambers two upper chamber called atria and two lower chamber called ventricle.

Which one of the above statements is correct?

(a) 1 and 2
(b) 2 and 3
(C) 3 only
(d) 4 only

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ANSWER: (d) 4 only

Explanation: Four chambered heart is present in human being.



Q2. From kidney urine goes into

(a) Ureter
(b) Urinary bladder
(C) Urethra
(d) Urinary opening

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ANSWER: (a) Ureter

Explanation- Urine first enters into urinary bladder through ureter thereby it first enters into ureter.



Q3. An adult human being passes

(a) 1-1.8L of urine in 24 hours
(b) 2-2.5L of urine in 24 hours
(C) 3L of urine everyday
(d) 2-3L of urine in 24 hours

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ANSWER: (a) 1-1.8L of urine in 24 hours



Q4. The process of filtering the blood periodically through artificial kidney is called

(a) Excretion
(b) Ejection
(c) Dialysis
(d) Filtering

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ANSWER: (c) Dialysis



Q5.The leaves prepare food for the plant using

(a) Water and oxygen
(b) Oxygen and carbon dioxide
(C) Nitrogen and water
(d) Water and carbon dioxide

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ANSWER: (d) Water and carbon dioxide

Explanation-This process is referred as photosynthesis which takes place in the presence of sunlight.



Q6.Plants transport water and nutrients from the soil through

(a) Phloem
(b) Root hair
(c) Tissue
(d) Xylem

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ANSWER: (d) Xylem



Q7 Which of the below cools the plant

(a) Absorption of water
(b) Transport of water
(c) Synthesis of carbohydrates
(d) Transpiration

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ANSWER: (d) Transpiration



Q8. A person suffers from 'diabetes' because his pancreas does not produce.

(a) Adrenaline
(b) Insulin
(c) Thyroxine
(d) Bile juice

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ANSWER: (b) Insulin



Q9. A disease called goitre of the thyroid gland is caused because

(a) Thyroid gland is not producing thyroxine
(b) Thyroid gland is not producing insulin
(C) Thyroid gland is not producing estrogen
(d) Pituitary gland is not producing thyroxine

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ANSWER: (a) Thyroid gland is not producing thyroxine



Q10. Many young people get acne and pimples on the face due to increased activity of

(a) Thyroid gland
(b) Endocrine gland
(c) Sebaceous gland
(d) Adrenal gland

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ANSWER: (c) Sebaceous gland

Explanation- Sebaceous gland is present under the layer of skin.


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