Class 10 Life Processes: Boost Your Board Marks

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Question 1: Which of the following is not a life process?

A) Nutrition

B) Respiration

C) Transpiration

D) Excretion

Question 2:The process of obtaining food and its utilization by an organism is called:

A) Nutrition

B) Respiration

C) Excretion

D) Transport

Question 3:The energy required for various activities in living organisms is primarily produced through:

A) Respiration

B) Transpiration

C) Photosynthesis

D) Digestion

Question 4: In humans, the process of digestion mainly occurs in the:

A) Small intestine

B) Large intestine

C) Stomach

D) Mouth

Question 5: The process of removing waste products from the body is known as:

A) Circulation

B) Respiration

C) Excretion

D) Photosynthesis

Question 6: Which of the following organisms do not require oxygen for respiration?

A) Human beings

B) Fish

C) Yeast

D) Earthworm

Question 7:Which structure in plants helps in the exchange of gases during respiration?

A) Xylem

B) Phloem

C) Stomata

D) Root hairs

Question 8:The main function of the heart in humans is to:

A) Transport nutrients

B) Transport oxygen

C) Pump blood

D) Filter waste products

Question 9: The process by which plants lose through small pores in the leaves is called:

A) Photosynthesis

B) Transpiration

C) Respiration

D) Digestion

Question 10:In which of the following processes is food converted into simpler substances in the body?

A) Digestion

B) Respiration

C) Circulation

D) Excretion

Question 11: The green pigment in plants that helps in photosynthesis is:

A) Hemoglobin

B) Chlorophyll

C) Starch

D) Carotene

Question 12:Which of the following is a byproduct of aerobic respiration?

A) Glucose

B) Oxygen

C) Carbon dioxide

D) Nitrogen

Question 13:In the human respiration system, the air enters the lungs through the:

A) Pharynx

B) Trachea

C) Larynx

D) Bronchi

Question 14:The process by which oxygen is transported from lungs to tissues is called:

A) Excretion

B) Respiration

C) Circulation

D) Diffusion

Question 15:What is the name of the reaction in which two molecules of the same compound combine to form a larger molecule?

A) Addition reaction

B) Substitution reaction

C) Condensation reaction

D) Polymerization reaction

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