30 Life processes class 10 mcq with answer
Which of the following is responsible for carrying oxygen in the human body?
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
Answer: a) Red blood cells
The process of breakdown of food into simpler substances in the body is called:
a) Digestion
b) Absorption
c) Respiration
d) Excretion
Answer: a) Digestion
Which of the following is the main function of the respiratory system?
a) Exchange of gases
b) Transport of nutrients
c) Production of hormones
d) Regulation of body temperature
Answer: a) Exchange of gases
Which of the following is the functional unit of the kidney?
a) Nephron
b) Alveoli
c) Neuron
d) Ureter
Answer: a) Nephron
Which of the following is the powerhouse of the cell?
a) Nucleus
b) Ribosome
c) Mitochondria
d) Endoplasmic reticulum
Answer: c) Mitochondria
The process by which plants make their food is called:
a) Respiration
b) Photosynthesis
c) Transpiration
d) Reproduction
Answer: b) Photosynthesis
Which of the following is not a mode of nutrition?
a) Autotrophic
b) Heterotrophic
c) Saprophytic
d) Photosynthetic
Answer: d) Photosynthetic
The human heart is made up of how many chambers?
a) 2
b) 3
c) 4
d) 5
Answer: c) 4
The process by which plants lose water in the form of vapor through their leaves is called:
a) Transpiration
b) Evaporation
c) Perspiration
d) Respiration
Answer: a) Transpiration
Life processes class 10 mcq with answer
Which of the following is responsible for carrying oxygen in the human body?
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
Answer: a) Red blood cells
The process of breakdown of food into simpler substances in the body is called:
a) Digestion
b) Absorption
c) Respiration
d) Excretion
Answer: a) Digestion
Which of the following is the main function of the respiratory system?
a) Exchange of gases
b) Transport of nutrients
c) Production of hormones
d) Regulation of body temperature
Answer: a) Exchange of gases
Which of the following is the functional unit of the kidney?
a) Nephron
b) Alveoli
c) Neuron
d) Ureter
Answer: a) Nephron
Which of the following is the powerhouse of the cell?
a) Nucleus
b) Ribosome
c) Mitochondria
d) Endoplasmic reticulum
Answer: c) Mitochondria
The process by which plants make their food is called:
a) Respiration
b) Photosynthesis
c) Transpiration
d) Reproduction
Answer: b) Photosynthesis
Which of the following is not a mode of nutrition?
a) Autotrophic
b) Heterotrophic
c) Saprophytic
d) Photosynthetic
Answer: d) Photosynthetic
The human heart is made up of how many chambers?
a) 2
b) 3
c) 4
d) 5
Answer: c) 4
The process by which plants lose water in the form of vapor through their leaves is called:
a) Transpiration
b) Evaporation
c) Perspiration
d) Respiration
Answer: a) Transpiration
The process of removal of waste products from the body is called:
a) Digestion
b) Absorption
c) Excretion
d) Respiration
Answer: c) Excretion
Which of the following is responsible for carrying out the process of cell division?
a) Nucleus
b) Cytoplasm
c) Cell membrane
d) Golgi apparatus
Answer: a) Nucleus
Which of the following is not a component of blood?
a) Plasma
b) Platelets
c) Red blood cells
d) Chloroplasts
Answer: d) Chloroplasts
The process by which green plants prepare their food is known as:
a) Respiration
b) Transpiration
c) Photosynthesis
d) Fermentation
Answer: c) Photosynthesis
Which of the following is responsible for transporting water and nutrients in plants?
a) Xylem
b) Phloem
c) Stomata
d) Epidermis
Answer: a) Xylem
Which of the following is a waste product of respiration in humans?
a) Oxygen
b) Carbon dioxide
c) Glucose
d) Water
Answer: b) Carbon dioxide
Which of the following is the largest organ in the human body?
a) Liver
b) Heart
c) Brain
d) Lungs
Answer: a) Liver
The process by which food is broken down into simpler substances during digestion is called:
a) Fermentation
b) Absorption
c) Assimilation
d) Hydrolysis
Answer: d) Hydrolysis
The process by which excess water and waste products are removed from the body in the form of urine is called:
a) Osmoregulation
b) Filtration
c) Urination
d) Sweating
Answer: c) Urination
Which of the following is responsible for carrying out the process of protein synthesis in a cell?
a) Nucleus
b) Ribosome
c) Golgi apparatus
d) Mitochondria
Answer: b) Ribosome
Which of the following is an example of an autotrophic mode of nutrition?
a) Herbivory
b) Parasitism
c) Carnivory
d) Photosynthesis
Answer: d) Photosynthesis
Which of the following is the functional unit of the nervous system?
a) Neuron
b) Axon
c) Dendrite
d) Synapse
Answer: a) Neuron
Which of the following is responsible for the transmission of nerve impulse in the nervous system?
a) Hormones
b) Enzymes
c) Neurotransmitters
d) Antigens
Answer: c) Neurotransmitters
Which of the following is the main component of cell membranes?
a) Proteins
b) Lipids
c) Carbohydrates
d) Nucleic acids
Answer: b) Lipids
The process by which living organisms take in oxygen and release carbon dioxide is called:
a) Respiration
b) Photosynthesis
c) Fermentation
d) Transpiration
Answer: a) Respiration
Which of the following is responsible for the production, of antibodies in the human body?
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
Answer: b) White blood cells
The process by which plants release oxygen into the atmosphere is called:
a) Photosynthesis
b) Transpiration
c) Respiration
d) Fermentation
Answer: a) Photosynthesis
The process of breakdown of glucose to release energy in the absence of oxygen is called:
a) Fermentation
b) Photosynthesis
c) Respiration
d) Transpiration
Answer: a) Fermentation
Which of the following is responsible for the regulation of body temperature in humans?
a) Sweat glands
b) Liver
c) Pancreas
d) Thyroid gland
Answer: a) Sweat glands
Which of the following is responsible for the transport of oxygen in plants?
a) Phloem
b) Xylem
c) Stomata
d) Epidermis
Answer: b) Xylem
Which of the following is the primary function of the circulatory system?
a) Exchange of gases
b) Transportation of nutrients
c) Removal of waste products
d) All of the above
Answer: d) All of the above
The process of removal of waste products from the body is called:
a) Digestion
b) Absorption
c) Excretion
d) Respiration
Answer: c) Excretion
Which of the following is responsible for carrying out the process of cell division?
a) Nucleus
b) Cytoplasm
c) Cell membrane
d) Golgi apparatus
Answer: a) Nucleus
Which of the following is not a component of blood?
a) Plasma
b) Platelets
c) Red blood cells
d) Chloroplasts
Answer: d) Chloroplasts
The process by which green plants prepare their food is known as:
a) Respiration
b) Transpiration
c) Photosynthesis
d) Fermentation
Answer: c) Photosynthesis
Which of the following is responsible for transporting water and nutrients in plants?
a) Xylem
b) Phloem
c) Stomata
d) Epidermis
Answer: a) Xylem
Which of the following is a waste product of respiration in humans?
a) Oxygen
b) Carbon dioxide
c) Glucose
d) Water
Answer: b) Carbon dioxide
Which of the following is the largest organ in the human body?
a) Liver
b) Heart
c) Brain
d) Lungs
Answer: a) Liver
The process by which food is broken down into simpler substances during digestion is called:
a) Fermentation
b) Absorption
c) Assimilation
d) Hydrolysis
Answer: d) Hydrolysis
The process by which excess water and waste products are removed from the body in the form of urine is called:
a) Osmoregulation
b) Filtration
c) Urination
d) Sweating
Answer: c) Urination
Which of the following is responsible for carrying out the process of protein synthesis in a cell?
a) Nucleus
b) Ribosome
c) Golgi apparatus
d) Mitochondria
Answer: b) Ribosome
Which of the following is an example of an autotrophic mode of nutrition?
a) Herbivory
b) Parasitism
c) Carnivory
d) Photosynthesis
Answer: d) Photosynthesis
Which of the following is the functional unit of the nervous system?
a) Neuron
b) Axon
c) Dendrite
d) Synapse
Answer: a) Neuron
Which of the following is responsible for the transmission of nerve impulse in the nervous system?
a) Hormones
b) Enzymes
c) Neurotransmitters
d) Antigens
Answer: c) Neurotransmitters
Which of the following is the main component of cell membranes?
a) Proteins
b) Lipids
c) Carbohydrates
d) Nucleic acids
Answer: b) Lipids
The process by which living organisms take in oxygen and release carbon dioxide is called:
a) Respiration
b) Photosynthesis
c) Fermentation
d) Transpiration
Answer: a) Respiration
Which of the following is responsible for the production, of antibodies in the human body?
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
Answer: b) White blood cells
The process by which plants release oxygen into the atmosphere is called:
a) Photosynthesis
b) Transpiration
c) Respiration
d) Fermentation
Answer: a) Photosynthesis
The process of breakdown of glucose to release energy in the absence of oxygen is called:
a) Fermentation
b) Photosynthesis
c) Respiration
d) Transpiration
Answer: a) Fermentation
Which of the following is responsible for the regulation of body temperature in humans?
a) Sweat glands
b) Liver
c) Pancreas
d) Thyroid gland
Answer: a) Sweat glands
Which of the following is responsible for the transport of oxygen in plants?
a) Phloem
b) Xylem
c) Stomata
d) Epidermis
Answer: b) Xylem
Which of the following is the primary function of the circulatory system?
a) Exchange of gases
b) Transportation of nutrients
c) Removal of waste products
d) All of the above
Answer: d) All of the above