Science Quiz: Day 24

November 28, 2022

Which of the following is a large blood vessel that carries blood away from the heart?

(A) Vein
(B) Artery
(C) Capillary
(D) Nerve

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Answer – B

Which of the following is not a member of the vitamin B complex?

(A) Thiamine
(B) Riboflavin
(C) Folic acid
(D) Ascorbic acid

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Answer – D

Which blood vessels have the smallest diameter?

(A) Capillaries
(B) Arterioles
(C) Venules
(D) Lymphatic

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Answer – A

There is a very, yellow dust that comes away on the fingers, wherever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called?

(A) Pollen
(B) Sperm
(C) Spore
(D) Sporocyst

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Answer – A

Which organ of the body produces the fluid known as bile?

(A) Liver
(B) Pancreas
(C) Gall bladder
(D) Kidney

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Answer – A

Which of the following hormones is a steroid?

(A) Estrogen
(B) Estrogen
(C) Insulin
(D) Oxytocin

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Answer – A

Heart is made up of

(A) Non-striated muscle
(B) Cardiac muscle
(C) Adipose tissue
(D) Striated muscle

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Answer – B

Digestion of proteins starts in the :

(A) Mouth
(B) Stomach
(C) Duodenum
(D) Intestine

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Answer – B

Hepatitis is a general term for a disease that is caused by –

(A) Viruses
(B) Bacteria
(C) Parasites
(D) All the above

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Answer – A

Which of the following has the highest protein content per gram?

(A) Groundnut
(B) Soyabean
(C) Apple
(D) Wheat

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Answer – B

Which of the following defence of the human body against bacteria?

(A) Haemoglobin
(B) Phagocytes
(C) Red blood cells
(D) Blood platelets

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Answer – B

What is blood pressure?

(A) It is the pressure that the blood clot exerts over the brain.
(B) It is the pressure that blood receives on account of faulty commands from the brain.
(C) It is the pressure that fatness or old age exerts on the body's circulatory system.
(D) It is the amount of pressure on the blood as a result of the heart's pumping function and the resistance of the arterial walls.

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Answer – D

Consider the following with reference to human nutrition:
1. Vitamin A
2. Vitamin B2
3. Vitamin E
For which of these are green leafy vegetables rich sources?

(A) 1 and 2
(B) 2 only
(C) 1 and 3
(D) 1,2 and 3

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Answer – D

Which one of the following systems of the body is primarily attacked by the HIV?

(A) Cardiovascular
(B) Immune
(C) Respiratory
(D) Reproductive

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Answer – B

Which of the following are known as the suicide bags of cells?

(A) Ribosomes
(B) Golgi bodies
(C) Lysosomes
(D) Nucleoli

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Answer – C