General Science — Human Body Quiz (Foundation Level)

Question 1

Which is the largest gland in the human body?‌​‍

Accepted Answer

Liver — The liver is the largest gland in the human body. ‌​‍It produces bile, which helps in fat digestion.

Answer

Pancreas

Answer

Thyroid

Answer

Pituitary

Question 2

The blood group known as the 'Universal Donor' is:‌​‍

Accepted Answer

O — O group is the universal donor because it has no A or B antigens, so it can be given to any blood group.‌​‍

Answer

A

Answer

B

Answer

AB

Question 3

Scurvy is caused by the deficiency of:‌​‍

Accepted Answer

Vitamin C — Scurvy is caused by Vitamin C (Ascorbic acid) deficiency. ‌​‍Symptoms include bleeding gums and weakness. Found in citrus fruits.

Answer

Vitamin A

Answer

Vitamin B

Answer

Vitamin D

Question 4

How many chambers does the human heart have?‌​‍

Accepted Answer

4 — The human heart has 4 chambers — 2 atria (upper chambers) and 2 ventricles (lower chambers).‌​‍

Answer

2

Answer

3

Answer

5

Question 5

The enzyme present in saliva that digests starch is:‌​‍

Accepted Answer

Amylase — Amylase (also called Ptyalin) is present in saliva and begins the digestion of starch into sugars in the mouth.‌​‍

Answer

Pepsin

Answer

Trypsin

Answer

Lipase

Question 6

Gas exchange in the lungs takes place at the:‌​‍

Accepted Answer

Alveoli — Alveoli are tiny air sacs in the lungs where oxygen enters the blood and carbon dioxide is removed.‌​‍

Answer

Trachea

Answer

Bronchi

Answer

Bronchioles

Question 7

Which vitamin is obtained from sunlight?‌​‍

Accepted Answer

Vitamin D — Vitamin D is synthesized in the skin when exposed to sunlight (UV rays). ‌​‍Its deficiency causes Rickets in children.

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin K

Question 8

The normal human body temperature is:‌​‍

Accepted Answer

37°C — Normal human body temperature is approximately 37°C (98.6°F).‌​‍

Answer

36°C

Answer

38°C

Answer

39°C

Question 9

Red blood cells are produced in the:‌​‍

Accepted Answer

Bone marrow — Red blood cells (RBCs) are produced in the bone marrow. ‌​‍They contain haemoglobin which carries oxygen.

Answer

Liver

Answer

Spleen

Answer

Kidney

Question 10

Which acid is found in the human stomach?‌​‍

Accepted Answer

Hydrochloric acid — The stomach secretes Hydrochloric acid (HCl) as part of gastric juice. ‌​‍It helps in killing bacteria and activating pepsin for protein digestion.

Answer

Sulphuric acid

Answer

Nitric acid

Answer

Acetic acid

Question 11

Beriberi is caused by the deficiency of:‌​‍

Accepted Answer

Vitamin B1 — Beriberi is caused by Vitamin B1 (Thiamine) deficiency. ‌​‍It affects the nervous system and heart.

Answer

Vitamin A

Answer

Vitamin C

Answer

Vitamin D

Question 12

The longest part of the human digestive system is:‌​‍

Accepted Answer

Small intestine — The small intestine is the longest part of the alimentary canal at about 6-7 metres. ‌​‍Most digestion and nutrient absorption occurs here.

Answer

Stomach

Answer

Large intestine

Answer

Oesophagus

Question 13

Haemoglobin in blood contains which metal?‌​‍

Accepted Answer

Iron — Haemoglobin contains iron, which gives blood its red colour and helps bind oxygen for transport.‌​‍

Answer

Copper

Answer

Zinc

Answer

Calcium

Question 14

The functional unit of the kidney is:‌​‍

Accepted Answer

Nephron — The Nephron is the functional unit of the kidney. ‌​‍Each kidney has about 1 million nephrons that filter blood to produce urine.

Answer

Neuron

Answer

Alveolus

Answer

Hepatocyte

Question 15

Blood group was discovered by:‌​‍

Accepted Answer

Karl Landsteiner — Karl Landsteiner discovered the ABO blood group system in 1901. ‌​‍He received the Nobel Prize in 1930 for this discovery.

Answer

Louis Pasteur

Answer

Alexander Fleming

Answer

Robert Koch

General Science — Human Body Quiz (Foundation Level)