QID #24578
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Neuron is correctly matched?
A
Neuron — is the principal signalling cell of the nervous system
B
Pathogen — includes organisms and their physical environment interacting together
C
Ecosystem — favours heritable traits that improve reproductive success
D
Natural selection — is a biological agent capable of causing disease
Correct Answer: A. Neuron — is the principal signalling cell of the nervous system
Neuron is the principal signalling cell of the nervous system. The other choices describe different concepts.
Question: Which pair involving Neuron is correctly matched?
A. Neuron — is the principal signalling cell of the nervous system
B. Pathogen — includes organisms and their physical environment interacting together
C. Ecosystem — favours heritable traits that improve reproductive success
D. Natural selection — is a biological agent capable of causing disease
Correct Answer: A. Neuron — is the principal signalling cell of the nervous system
Explanation: Neuron is the principal signalling cell of the nervous system. The other choices describe different concepts.
QID #24577
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Haemoglobin is correctly matched?
A
Vitamin C — is an immunoglobulin that recognizes a specific antigen
B
Antibody — induces immune memory without causing the target disease
C
Vaccine — is required for collagen synthesis and wound healing
D
Haemoglobin — transports most oxygen in human blood
Correct Answer: D. Haemoglobin — transports most oxygen in human blood
Haemoglobin transports most oxygen in human blood. The other choices describe different concepts.
Question: Which pair involving Haemoglobin is correctly matched?
A. Vitamin C — is an immunoglobulin that recognizes a specific antigen
B. Antibody — induces immune memory without causing the target disease
C. Vaccine — is required for collagen synthesis and wound healing
D. Haemoglobin — transports most oxygen in human blood
Correct Answer: D. Haemoglobin — transports most oxygen in human blood
Explanation: Haemoglobin transports most oxygen in human blood. The other choices describe different concepts.
QID #24576
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Photosynthesis is correctly matched?
A
Liver — supports calcium absorption and bone mineralization
B
Vitamin D — filters blood and regulates water and electrolyte balance
C
Photosynthesis — converts light energy into chemical energy in green plants
D
Kidney — performs metabolism, detoxification and bile production
Correct Answer: C. Photosynthesis — converts light energy into chemical energy in green plants
Photosynthesis converts light energy into chemical energy in green plants. The other choices describe different concepts.
Question: Which pair involving Photosynthesis is correctly matched?
A. Liver — supports calcium absorption and bone mineralization
B. Vitamin D — filters blood and regulates water and electrolyte balance
C. Photosynthesis — converts light energy into chemical energy in green plants
D. Kidney — performs metabolism, detoxification and bile production
Correct Answer: C. Photosynthesis — converts light energy into chemical energy in green plants
Explanation: Photosynthesis converts light energy into chemical energy in green plants. The other choices describe different concepts.
QID #24575
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Meiosis is correctly matched?
A
Insulin — transports most oxygen in human blood
B
Meiosis — reduces chromosome number during gamete formation
C
Haemoglobin — is the principal signalling cell of the nervous system
D
Neuron — helps lower blood glucose by promoting uptake and storage
Correct Answer: B. Meiosis — reduces chromosome number during gamete formation
Meiosis reduces chromosome number during gamete formation. The other choices describe different concepts.
Question: Which pair involving Meiosis is correctly matched?
A. Insulin — transports most oxygen in human blood
B. Meiosis — reduces chromosome number during gamete formation
C. Haemoglobin — is the principal signalling cell of the nervous system
D. Neuron — helps lower blood glucose by promoting uptake and storage
Correct Answer: B. Meiosis — reduces chromosome number during gamete formation
Explanation: Meiosis reduces chromosome number during gamete formation. The other choices describe different concepts.
QID #24574
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Mitosis is correctly matched?
A
Mitosis — produces genetically similar daughter cells for growth and repair
B
Gene — reduces chromosome number during gamete formation
C
Meiosis — converts light energy into chemical energy in green plants
D
Photosynthesis — is a functional unit of heredity encoded in nucleic acid
Correct Answer: A. Mitosis — produces genetically similar daughter cells for growth and repair
Mitosis produces genetically similar daughter cells for growth and repair. The other choices describe different concepts.
Question: Which pair involving Mitosis is correctly matched?
A. Mitosis — produces genetically similar daughter cells for growth and repair
B. Gene — reduces chromosome number during gamete formation
C. Meiosis — converts light energy into chemical energy in green plants
D. Photosynthesis — is a functional unit of heredity encoded in nucleic acid
Correct Answer: A. Mitosis — produces genetically similar daughter cells for growth and repair
Explanation: Mitosis produces genetically similar daughter cells for growth and repair. The other choices describe different concepts.
QID #24573
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Gene is correctly matched?
A
Mitochondrion — is the cellular site of protein synthesis
B
Ribosome — stores hereditary information in most organisms
C
DNA — is a major site of aerobic energy production in eukaryotic cells
D
Gene — is a functional unit of heredity encoded in nucleic acid
Correct Answer: D. Gene — is a functional unit of heredity encoded in nucleic acid
Gene is a functional unit of heredity encoded in nucleic acid. The other choices describe different concepts.
Question: Which pair involving Gene is correctly matched?
A. Mitochondrion — is the cellular site of protein synthesis
B. Ribosome — stores hereditary information in most organisms
C. DNA — is a major site of aerobic energy production in eukaryotic cells
D. Gene — is a functional unit of heredity encoded in nucleic acid
Correct Answer: D. Gene — is a functional unit of heredity encoded in nucleic acid
Explanation: Gene is a functional unit of heredity encoded in nucleic acid. The other choices describe different concepts.
QID #24572
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving DNA is correctly matched?
A
Natural selection — is the basic structural and functional unit of life
B
Cell — includes organisms and their physical environment interacting together
C
DNA — stores hereditary information in most organisms
D
Ecosystem — favours heritable traits that improve reproductive success
Correct Answer: C. DNA — stores hereditary information in most organisms
DNA stores hereditary information in most organisms. The other choices describe different concepts.
Question: Which pair involving DNA is correctly matched?
A. Natural selection — is the basic structural and functional unit of life
B. Cell — includes organisms and their physical environment interacting together
C. DNA — stores hereditary information in most organisms
D. Ecosystem — favours heritable traits that improve reproductive success
Correct Answer: C. DNA — stores hereditary information in most organisms
Explanation: DNA stores hereditary information in most organisms. The other choices describe different concepts.
QID #24571
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Ribosome is correctly matched?
A
Pathogen — is an immunoglobulin that recognizes a specific antigen
B
Ribosome — is the cellular site of protein synthesis
C
Antibody — induces immune memory without causing the target disease
D
Vaccine — is a biological agent capable of causing disease
Correct Answer: B. Ribosome — is the cellular site of protein synthesis
Ribosome is the cellular site of protein synthesis. The other choices describe different concepts.
Question: Which pair involving Ribosome is correctly matched?
A. Pathogen — is an immunoglobulin that recognizes a specific antigen
B. Ribosome — is the cellular site of protein synthesis
C. Antibody — induces immune memory without causing the target disease
D. Vaccine — is a biological agent capable of causing disease
Correct Answer: B. Ribosome — is the cellular site of protein synthesis
Explanation: Ribosome is the cellular site of protein synthesis. The other choices describe different concepts.
QID #24570
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Mitochondrion is correctly matched?
A
Mitochondrion — is a major site of aerobic energy production in eukaryotic cells
B
Liver — supports calcium absorption and bone mineralization
C
Vitamin D — is required for collagen synthesis and wound healing
D
Vitamin C — performs metabolism, detoxification and bile production
Correct Answer: A. Mitochondrion — is a major site of aerobic energy production in eukaryotic cells
Mitochondrion is a major site of aerobic energy production in eukaryotic cells. The other choices describe different concepts.
Question: Which pair involving Mitochondrion is correctly matched?
A. Mitochondrion — is a major site of aerobic energy production in eukaryotic cells
B. Liver — supports calcium absorption and bone mineralization
C. Vitamin D — is required for collagen synthesis and wound healing
D. Vitamin C — performs metabolism, detoxification and bile production
Correct Answer: A. Mitochondrion — is a major site of aerobic energy production in eukaryotic cells
Explanation: Mitochondrion is a major site of aerobic energy production in eukaryotic cells. The other choices describe different concepts.
QID #24569
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Which pair involving Cell is correctly matched?
A
Neuron — helps lower blood glucose by promoting uptake and storage
B
Insulin — filters blood and regulates water and electrolyte balance
C
Kidney — is the principal signalling cell of the nervous system
D
Cell — is the basic structural and functional unit of life
Correct Answer: D. Cell — is the basic structural and functional unit of life
Cell is the basic structural and functional unit of life. The other choices describe different concepts.
Question: Which pair involving Cell is correctly matched?
A. Neuron — helps lower blood glucose by promoting uptake and storage
B. Insulin — filters blood and regulates water and electrolyte balance
C. Kidney — is the principal signalling cell of the nervous system
D. Cell — is the basic structural and functional unit of life
Correct Answer: D. Cell — is the basic structural and functional unit of life
Explanation: Cell is the basic structural and functional unit of life. The other choices describe different concepts.
QID #24568
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that favours heritable traits that improve reproductive success.
A
Gene
B
Mitosis
C
Meiosis
D
Natural selection
Correct Answer: D. Natural selection
Natural selection favours heritable traits that improve reproductive success. The other choices describe different concepts.
Question: Identify the term that favours heritable traits that improve reproductive success.
A. Gene
B. Mitosis
C. Meiosis
D. Natural selection
Correct Answer: D. Natural selection
Explanation: Natural selection favours heritable traits that improve reproductive success. The other choices describe different concepts.
QID #24567
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that includes organisms and their physical environment interacting together.
A
Ribosome
B
DNA
C
Ecosystem
D
Mitochondrion
Correct Answer: C. Ecosystem
Ecosystem includes organisms and their physical environment interacting together. The other choices describe different concepts.
Question: Identify the term that includes organisms and their physical environment interacting together.
A. Ribosome
B. DNA
C. Ecosystem
D. Mitochondrion
Correct Answer: C. Ecosystem
Explanation: Ecosystem includes organisms and their physical environment interacting together. The other choices describe different concepts.
QID #24566
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that is a biological agent capable of causing disease.
A
Cell
B
Pathogen
C
Ecosystem
D
Natural selection
Correct Answer: B. Pathogen
Pathogen is a biological agent capable of causing disease. The other choices describe different concepts.
Question: Identify the term that is a biological agent capable of causing disease.
A. Cell
B. Pathogen
C. Ecosystem
D. Natural selection
Correct Answer: B. Pathogen
Explanation: Pathogen is a biological agent capable of causing disease. The other choices describe different concepts.
QID #24565
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that induces immune memory without causing the target disease.
A
Vaccine
B
Vitamin C
C
Antibody
D
Pathogen
Correct Answer: A. Vaccine
Vaccine induces immune memory without causing the target disease. The other choices describe different concepts.
Question: Identify the term that induces immune memory without causing the target disease.
A. Vaccine
B. Vitamin C
C. Antibody
D. Pathogen
Correct Answer: A. Vaccine
Explanation: Vaccine induces immune memory without causing the target disease. The other choices describe different concepts.
QID #24564
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that is an immunoglobulin that recognizes a specific antigen.
A
Kidney
B
Liver
C
Vitamin D
D
Antibody
Correct Answer: D. Antibody
Antibody is an immunoglobulin that recognizes a specific antigen. The other choices describe different concepts.
Question: Identify the term that is an immunoglobulin that recognizes a specific antigen.
A. Kidney
B. Liver
C. Vitamin D
D. Antibody
Correct Answer: D. Antibody
Explanation: Antibody is an immunoglobulin that recognizes a specific antigen. The other choices describe different concepts.
QID #24563
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that is required for collagen synthesis and wound healing.
A
Neuron
B
Insulin
C
Vitamin C
D
Haemoglobin
Correct Answer: C. Vitamin C
Vitamin C is required for collagen synthesis and wound healing. The other choices describe different concepts.
Question: Identify the term that is required for collagen synthesis and wound healing.
A. Neuron
B. Insulin
C. Vitamin C
D. Haemoglobin
Correct Answer: C. Vitamin C
Explanation: Vitamin C is required for collagen synthesis and wound healing. The other choices describe different concepts.
QID #24562
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that supports calcium absorption and bone mineralization.
A
Photosynthesis
B
Vitamin D
C
Mitosis
D
Meiosis
Correct Answer: B. Vitamin D
Vitamin D supports calcium absorption and bone mineralization. The other choices describe different concepts.
Question: Identify the term that supports calcium absorption and bone mineralization.
A. Photosynthesis
B. Vitamin D
C. Mitosis
D. Meiosis
Correct Answer: B. Vitamin D
Explanation: Vitamin D supports calcium absorption and bone mineralization. The other choices describe different concepts.
QID #24561
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that performs metabolism, detoxification and bile production.
A
Liver
B
Ribosome
C
DNA
D
Gene
Correct Answer: A. Liver
Liver performs metabolism, detoxification and bile production. The other choices describe different concepts.
Question: Identify the term that performs metabolism, detoxification and bile production.
A. Liver
B. Ribosome
C. DNA
D. Gene
Correct Answer: A. Liver
Explanation: Liver performs metabolism, detoxification and bile production. The other choices describe different concepts.
QID #24560
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that filters blood and regulates water and electrolyte balance.
A
Natural selection
B
Cell
C
Mitochondrion
D
Kidney
Correct Answer: D. Kidney
Kidney filters blood and regulates water and electrolyte balance. The other choices describe different concepts.
Question: Identify the term that filters blood and regulates water and electrolyte balance.
A. Natural selection
B. Cell
C. Mitochondrion
D. Kidney
Correct Answer: D. Kidney
Explanation: Kidney filters blood and regulates water and electrolyte balance. The other choices describe different concepts.
QID #24559
AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series General Science Biology Easy
Identify the term that helps lower blood glucose by promoting uptake and storage. Choose the best answer for Test 11.
A
Pathogen
B
Ecosystem
C
Insulin
D
Vaccine
Correct Answer: C. Insulin
Insulin helps lower blood glucose by promoting uptake and storage. The other choices describe different concepts.
Question: Identify the term that helps lower blood glucose by promoting uptake and storage. Choose the best answer for Test 11.
A. Pathogen
B. Ecosystem
C. Insulin
D. Vaccine
Correct Answer: C. Insulin
Explanation: Insulin helps lower blood glucose by promoting uptake and storage. The other choices describe different concepts.
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