General Science MCQs

Human Body Questions with solutions MCQs

1. The secretion produced by the glands in the lining of stomach in human beings is called

A

Succus entericus

B

Bile Juice

C

Gastric Juice

D

Insulin

Human Body General Science
Correct Answer : C
Explanation :

Gastric Glands are present in the wall of the stomach that release secretions for digestion of food.
The gastric glands produce gastric juice which contains three substances:
1. Hydrochloric acid
2. Pepsin Enzyme 3.
Mucus.
Due to presence of HCl, the gastric juice is acidic in nature . In acidic medium, the enzyme pepsin begins the digestion of proteins present in food to form smaller molecules . HCl kills any bacteria which may enter the stomach. The mucus helps to protect the stomach wall from its own secretion of HCl.

Correct Answered :

Wrong Answered :

2. The basic functional unit of the Kidney is

A

Pyramid

B

Henley`s loop

C

Nephron

D

Nephridia

Human Body General Science
Correct Answer : C
Explanation :

Together, the renal cortex and renal pyramids constitute the functional portion or of the kidney. Within the parenchyma are about 1 million microscopic structures called , which are the functional units of the kidney. The number of nephrons is constant from birth, and injured or diseased nephrons cannot be replaced.

Correct Answered :

Wrong Answered :

3. What is the pH of blood?

A

7.4

B

2.4

C

11

D

14

Human Body General Science
Correct Answer : A
Explanation :

Acidity and alkalinity are expressed on the pH scale, which ranges from 0 (strongly acidic) to 14 (strongly basic or alkaline). A pH of 7.0, in the middle of this scale, is neutral. Blood is normally slightly basic, with a normal pH range of 7.35 to 7.45. Usually the body maintains the pH of blood close to 7.40.

Correct Answered :

Wrong Answered :

4. Identify the versatile organ from the facts given below :
i) It is the largest organ in human body.
ii) It is sensor packed with nerves for keeping the brain in touch with the outside world.
iii) It manufactures vitamin D for converting calcium into healthy bones.
iv) It the body`s largest waste removal system

A

The Skin

B

The Liver

C

The Intestine

D

The Heart

Human Body General Science
Correct Answer : A
Explanation :

Skin

Correct Answered :

Wrong Answered :

5. Which of the following statements is FALSE with reference to the digestive system processes in human beings?

A

Digestion is the breakdown of food into simpler form

B

Ingestion is the intake of food through the mouth

C

Egestion is the removal of digested food from the body

D

Absorption is the release of nutrients from food into the blood stream

Human Body General Science
Correct Answer : D
Explanation :

#

Correct Answered :

Wrong Answered :

6. In blood platelets are required for

A

Transporting Oxygen

B

Transporting Carbon dioxide

C

Initiating clotting of blood

D

Immunity

Human Body General Science
Correct Answer : C
Explanation :

Platelets are tiny blood cells that help your body form clots to stop bleeding. If one of your blood vessels gets damaged, it sends out signals to the platelets. The platelets then rush to the site of damage and form a plug (clot) to fix the damage.

Correct Answered :

Wrong Answered :

7. Which is the largest blood vessel in the body?

A

Alveoli

B

Artery

C

Aorta

D

Vein

Human Body Accounts Assistant LAHDC
Correct Answer : C
Explanation :

The largest artery is the aorta, the main high-pressure pipeline connected to the heart`s left ventricle. The aorta branches into a network of smaller arteries that extend throughout the body. The arteries smaller branches are called arterioles and capillaries.

Correct Answered :

Wrong Answered :

CONTACT US

  • J & K

  • admin@prepmart.in

    • QUICK LINKS

    LIKE AND SHARE YOUR EXPERIENCE

    Like Us on Facebook Join Us on Telegram
    VISITORS COUNT 6 8 7 7 8 8
    PrepMart 2022. All Rights Reserved | Terms & Conditions | Privacy Policy | Refund & Cancellation Policy
    Developed By : Azhar Rashid Teli