Class 10 - Science

Life Process Online MCQ Test

Olympiad Level MCQs Also Included

→ Assertion Reason type questions in SET-6

Set-1 Set-2 Set-3 Set-4 Set-5 Set-6

1. Which of the following is not a raw material for photosynthesis?

(A) Carbon dioxide
(B) Water
(C) Nitrogen
(D) Sunlight

2. Which part of the plant gets rid of excess water?

(A) Root
(B) Stem
(C) Leaf
(D) Flower

3. Which of the following is not a part of the human digestive system?

(A) Esophagus
(B) Small intestine
(C) Large intestine
(D) Kidney

4. What is the role of saliva in the digestion of food?

(A) It moistens the food for easy swallowing.
(B) Its enzymes break down complex sugars into simple sugars.
(C) It kills germs in the food.
(D) All of the above.

5. Which organ in the human body produces bile?

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

6. What is the main function of red blood cells in our body?

(A)Fight infection
(B)Clot blood
(C)Carry oxygen
(D)Remove waste products

7. Which part of the human heart pumps oxygenated blood to all parts of the body?

(A)Right atrium
(B)Right ventricle
(C)Left atrium
(D)Left ventricle

8. What is transpiration in plants?

(A)Absorption of water by roots
(B)Movement of water into air spaces of leaves
(C)Loss of water from leaves as water vapor
(D)Uptake of minerals from the soil

9. What is the main excretory product in human beings?

(A)Urea
(B)Water
(C)Salt
(D)Carbon dioxide

10. What is the role of kidneys in our body?

(A)They filter waste products from blood.
(B)They produce bile.
(C)They help in digestion.
(D)They pump blood to all parts of the body.