Class 10 Practice - Level 2 - Life Processes - Set 1

Total questions: 25

Which process is used by plants to convert light energy into chemical energy?

Topic: Nutrition

Respiration

Photosynthesis

Fermentation

Digestion

None

Which molecule is the final electron acceptor in the electron transport chain during aerobic respiration?

Topic: Respiration

Oxygen

Carbon dioxide

Glucose

Water

None

What is the main function of the diaphragm in the process of breathing?

Topic: Respiration

To circulate blood

To produce sound

To contract and increase the volume of the chest cavity

To filter air

None

What is the primary function of the lymphatic system in the human body?

Topic: Transportation

To transport oxygen

To fight infections and drain excess fluid from tissues

To produce hormones

To digest food

None

What is the purpose of the double circulatory system in humans?

Topic: Transportation

To increase blood pressure

To separate oxygenated and deoxygenated blood

To speed up digestion

To produce red blood cells

None

How does the nephron in the kidney contribute to urine formation?

Topic: Excretion

By producing hormones

By filtering blood, reabsorbing useful substances, and secreting waste

By storing urine

By producing urea

None

Which process in the nephron is primarily responsible for the reabsorption of water?

Topic: Excretion

Glomerular filtration

Tubular secretion

Tubular reabsorption

Exocytosis

None

Which enzyme is responsible for breaking down fats into fatty acids and glycerol?

Topic: Nutrition

Amylase

Protease

Lipase

Lactase

None

Which vitamin deficiency leads to scurvy?

Topic: Nutrition

Vitamin A

Vitamin B12

Vitamin C

Vitamin D

None

10.

What is the primary purpose of cellular respiration?

Topic: Respiration

To produce glucose

To release carbon dioxide

To generate ATP

To store oxygen

None

11.

Which gas is a by-product of cellular respiration?

Topic: Respiration

Oxygen

Nitrogen

Carbon dioxide

Hydrogen

None

12.

Which protein in red blood cells binds to oxygen?

Topic: Transportation

Haemoglobin

Myoglobin

Fibrinogen

Albumin

None

13.

What is the role of the hepatic portal vein in the circulatory system?

Topic: Transportation

To carry oxygenated blood to the liver

To carry deoxygenated blood to the heart

To transport nutrients from the digestive tract to the liver

To remove waste products from the liver

None

14.

Which hormone regulates the concentration of sodium and potassium in the blood?

Topic: Excretion

Insulin

Aldosterone

Adrenaline

Glucagon

None

15.

What is the primary function of the loop of Henle in the nephron?

Topic: Excretion

To filter blood

To reabsorb water and salts

To secrete waste products

To store urine

None

16.

Which macronutrient is essential for building and repairing body tissues?

Topic: Nutrition

Carbohydrates

Proteins

Fats

Vitamins

None

17.

Which disorder is caused by the deficiency of iodine?

Topic: Nutrition

Scurvy

Rickets

Goitre

Anaemia

None

18.

What is the main function of cilia in the respiratory tract?

Topic: Respiration

To produce mucus

To trap and remove dust and pathogens

To exchange gases

To produce sound

None

19.

Which stage of cellular respiration produces the most ATP?

Topic: Respiration

Glycolysis

Krebs cycle

Electron transport chain

Fermentation

None

20.

What is the main function of the coronary arteries?

Topic: Transportation

To supply blood to the lungs

To supply blood to the liver

To supply blood to the heart muscle

To supply blood to the kidneys

None

21.

Which part of the blood is responsible for clotting?

Topic: Transportation

Red blood cells

White blood cells

Plasma

Platelets

None

22.

Which condition is characterized by the presence of high levels of urea in the blood?

Topic: Excretion

Anaemia

Diabetes

Uremia

Hypertension

None

23.

Which structure in the nephron is responsible for the initial filtration of blood?

Topic: Excretion

Proximal convoluted tubule

Distal convoluted tubule

Glomerulus

Collecting duct

None

24.

Which process involves the breakdown of complex molecules into simpler ones, releasing energy?

Topic: Nutrition

Anabolism

Catabolism

Photosynthesis

Fermentation

None

25.

Which vitamin is essential for the absorption of iron in the body?

Topic: Nutrition

Vitamin A

Vitamin B12

Vitamin C

Vitamin D

None

1 out of 25

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Class 10 Practice - Level 2 - Life Processes - Set 1

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