General Science Set-3: Biology

General Science Set-3: Biology

Question 1

Which of the following is the site of protein synthesis in a cell?
(1) Ribosome
(2) Mitochondria
(3) Nucleus
(4) Endoplasmic Reticulum

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Answer: (1)

Solution: Ribosomes are the sites where protein synthesis occurs through the process of translation.

Question 2

Which of the following is a vector for the transmission of malaria?
(1) Mosquito
(2) Fly
(3) Louse
(4) Tick

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Answer: (1)

Solution: The female Anopheles mosquito is the primary vector for the transmission of malaria.

Question 3

Which of the following is a function of the stomata in plants?
(1) Photosynthesis
(2) Transpiration
(3) Respiration
(4) All of the above

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Answer: (4)

Solution: Stomata are involved in photosynthesis, transpiration, and gas exchange during respiration.

Question 4

Which of the following is a type of tissue in the human body?
(1) Epithelial
(2) Connective
(3) Muscular
(4) All of the above

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Answer: (4)

Solution: Epithelial, connective, and muscular tissues are the three main types of tissues in the human body.

Question 5

Which of the following is a function of the liver in the human body?
(1) Detoxification
(2) Production of bile
(3) Storage of glycogen
(4) All of the above

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Answer: (4)

Solution: The liver performs detoxification, produces bile, and stores glycogen.

Question 6

Which of the following is an example of a chemical change?
(1) Melting of ice
(2) Dissolving sugar in water
(3) Burning of wood
(4) Cutting of paper

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Answer: (3)

Solution: Burning of wood involves a chemical change where new substances are formed.

Question 7

Which of the following is a function of the respiratory system?
(1) Exchange of gases
(2) Regulation of body temperature
(3) Production of hormones
(4) All of the above

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Answer: (1)

Solution: The primary function of the respiratory system is the exchange of oxygen and carbon dioxide.

Question 8

Which of the following is a function of the circulatory system?
(1) Transport of oxygen
(2) Regulation of body temperature
(3) Defense against pathogens
(4) All of the above

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Answer: (4)

Solution: The circulatory system transports oxygen, regulates body temperature, and helps in immune defense.

Question 9

Which of the following is a function of the nervous system?
(1) Control of voluntary movements
(2) Sensation
(3) Coordination
(4) All of the above

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Answer: (4)

Solution: The nervous system controls voluntary movements, sensation, and coordination.

Question 10

Which of the following is a function of the excretory system?
(1) Removal of waste products
(2) Regulation of body fluids
(3) Maintenance of homeostasis
(4) All of the above

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Answer: (4)

Solution: The excretory system is responsible for removing waste, regulating fluids, and maintaining homeostasis.

Question 11

Which of the following is a function of the skeletal system?
(1) Support of the body
(2) Protection of internal organs
(3) Production of blood cells
(4) All of the above

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Answer: (4)

Solution: The skeletal system provides support, protects organs, and is involved in blood cell production.

Question 12

Which of the following is a function of the muscular system?
(1) Movement of the body
(2) Maintenance of posture
(3) Generation of heat
(4) All of the above

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Answer: (4)

Solution: The muscular system is responsible for movement, posture, and heat generation.

Question 13

Which of the following is a function of the digestive system?
(1) Ingestion
(2) Digestion
(3) Absorption
(4) All of the above

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Answer: (4)

Solution: The digestive system is involved in ingestion, digestion, and absorption of nutrients.

Question 14

Which of the following is a function of the integumentary system?
(1) Protection
(2) Regulation of body temperature
(3) Sensation
(4) All of the above

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Answer: (4)

Solution: The integumentary system includes the skin and is responsible for protection, temperature regulation, and sensation.

Question 15

Which of the following is a function of the endocrine system?
(1) Regulation of metabolism
(2) Control of growth and development
(3) Regulation of reproductive functions
(4) All of the above

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Answer: (4)

Solution: The endocrine system regulates metabolism, growth, and reproductive functions through hormones.

Question 16

Which of the following is a function of the immune system?
(1) Protection from pathogens
(2) Recognition of foreign substances
(3) Memory response
(4) All of the above

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Answer: (4)

Solution: The immune system protects the body, recognizes foreign substances, and has memory for future responses.

Question 17

Which of the following is a function of the lymphatic system?
(1) Transport of lymph
(2) Immune response
(3) Drainage of excess fluid
(4) All of the above

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Answer: (4)

Solution: The lymphatic system transports lymph, supports immune response, and drains excess fluid.

Question 18

Which of the following is a function of the reproductive system?
(1) Production of gametes
(2) Secretion of sex hormones
(3) Fertilization
(4) All of the above

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Answer: (4)

Solution: The reproductive system is involved in gamete production, hormone secretion, and fertilization.

Question 19

Which of the following is a function of the urinary system?
(1) Filtration of blood
(2) Regulation of blood pressure
(3) Excretion of waste
(4) All of the above

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Answer: (4)

Solution: The urinary system filters blood, regulates blood pressure, and excretes waste.

Question 20

Which of the following is a function of the cardiovascular system?
(1) Transport of oxygen
(2) Regulation of body temperature
(3) Defense against pathogens
(4) All of the above

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Answer: (4)

Solution: The cardiovascular system transports oxygen, regulates temperature, and helps in immune defense.

Question 21

Which of the following is a function of the respiratory system in terms of gas exchange?
(1) Oxygen is taken in
(2) Carbon dioxide is removed
(3) Both (1) and (2)
(4) None of the above

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Answer: (3)

Solution: The respiratory system facilitates the intake of oxygen and the removal of carbon dioxide.

Question 22

Which of the following is a function of the circulatory system in terms of nutrient transport?
(1) Transport of glucose
(2) Transport of amino acids
(3) Transport of lipids
(4) All of the above

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Answer: (4)

Solution: The circulatory system transports glucose, amino acids, and lipids to cells.

Question 23

Which of the following is a function of the digestive system in terms of enzyme action?
(1) Amylase breaks down carbohydrates
(2) Pepsin breaks down proteins
(3) Lipase breaks down fats
(4) All of the above

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Answer: (4)

Solution: Enzymes like amylase, pepsin, and lipase are responsible for breaking down carbohydrates, proteins, and fats, respectively.

Question 24

Which of the following is a function of the nervous system in terms of reflex action?
(1) Quick response to stimuli
(2) Involuntary movement
(3) Coordination of muscle activity
(4) All of the above

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Answer: (4)

Solution: Reflex actions involve quick responses, involuntary movements, and coordination of muscle activity.

Question 25

Which of the following is a function of the endocrine system in terms of hormone regulation?
(1) Regulation of metabolism
(2) Regulation of growth
(3) Regulation of sexual development
(4) All of the above

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Answer: (4)

Solution: Hormones regulate metabolism, growth, and sexual development through the endocrine system.