Free MCQs with Answers | Military Brat Defence Academy

QID #24628 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Natural selection.

Correct Answer: B. favours heritable traits that improve reproductive success
Natural selection favours heritable traits that improve reproductive success. The other choices describe different concepts.

Question: Select the accurate statement about Natural selection.

A. induces immune memory without causing the target disease

B. favours heritable traits that improve reproductive success

C. is a biological agent capable of causing disease

D. includes organisms and their physical environment interacting together

Correct Answer: B. favours heritable traits that improve reproductive successExplanation: Natural selection favours heritable traits that improve reproductive success. The other choices describe different concepts.

View Question WhatsApp Share

QID #24627 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Ecosystem.

Correct Answer: A. includes organisms and their physical environment interacting together
Ecosystem includes organisms and their physical environment interacting together. The other choices describe different concepts.

Question: Select the accurate statement about Ecosystem.

A. includes organisms and their physical environment interacting together

B. is required for collagen synthesis and wound healing

C. is an immunoglobulin that recognizes a specific antigen

D. supports calcium absorption and bone mineralization

Correct Answer: A. includes organisms and their physical environment interacting togetherExplanation: Ecosystem includes organisms and their physical environment interacting together. The other choices describe different concepts.

View Question WhatsApp Share

QID #24626 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Pathogen.

Correct Answer: D. is a biological agent capable of causing disease
Pathogen is a biological agent capable of causing disease. The other choices describe different concepts.

Question: Select the accurate statement about Pathogen.

A. filters blood and regulates water and electrolyte balance

B. performs metabolism, detoxification and bile production

C. helps lower blood glucose by promoting uptake and storage

D. is a biological agent capable of causing disease

Correct Answer: D. is a biological agent capable of causing diseaseExplanation: Pathogen is a biological agent capable of causing disease. The other choices describe different concepts.

View Question WhatsApp Share

QID #24625 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Vaccine.

Correct Answer: C. induces immune memory without causing the target disease
Vaccine induces immune memory without causing the target disease. The other choices describe different concepts.

Question: Select the accurate statement about Vaccine.

A. is the principal signalling cell of the nervous system

B. converts light energy into chemical energy in green plants

C. induces immune memory without causing the target disease

D. transports most oxygen in human blood

Correct Answer: C. induces immune memory without causing the target diseaseExplanation: Vaccine induces immune memory without causing the target disease. The other choices describe different concepts.

View Question WhatsApp Share

QID #24624 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Antibody.

Correct Answer: B. is an immunoglobulin that recognizes a specific antigen
Antibody is an immunoglobulin that recognizes a specific antigen. The other choices describe different concepts.

Question: Select the accurate statement about Antibody.

A. is a functional unit of heredity encoded in nucleic acid

B. is an immunoglobulin that recognizes a specific antigen

C. produces genetically similar daughter cells for growth and repair

D. reduces chromosome number during gamete formation

Correct Answer: B. is an immunoglobulin that recognizes a specific antigenExplanation: Antibody is an immunoglobulin that recognizes a specific antigen. The other choices describe different concepts.

View Question WhatsApp Share

QID #24623 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Vitamin C.

Correct Answer: A. is required for collagen synthesis and wound healing
Vitamin C is required for collagen synthesis and wound healing. The other choices describe different concepts.

Question: Select the accurate statement about Vitamin C.

A. is required for collagen synthesis and wound healing

B. is the cellular site of protein synthesis

C. stores hereditary information in most organisms

D. is a major site of aerobic energy production in eukaryotic cells

Correct Answer: A. is required for collagen synthesis and wound healingExplanation: Vitamin C is required for collagen synthesis and wound healing. The other choices describe different concepts.

View Question WhatsApp Share

QID #24622 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Vitamin D.

Correct Answer: D. supports calcium absorption and bone mineralization
Vitamin D supports calcium absorption and bone mineralization. The other choices describe different concepts.

Question: Select the accurate statement about Vitamin D.

A. favours heritable traits that improve reproductive success

B. is the basic structural and functional unit of life

C. includes organisms and their physical environment interacting together

D. supports calcium absorption and bone mineralization

Correct Answer: D. supports calcium absorption and bone mineralizationExplanation: Vitamin D supports calcium absorption and bone mineralization. The other choices describe different concepts.

View Question WhatsApp Share

QID #24621 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Liver.

Correct Answer: C. performs metabolism, detoxification and bile production
Liver performs metabolism, detoxification and bile production. The other choices describe different concepts.

Question: Select the accurate statement about Liver.

A. is a biological agent capable of causing disease

B. is an immunoglobulin that recognizes a specific antigen

C. performs metabolism, detoxification and bile production

D. induces immune memory without causing the target disease

Correct Answer: C. performs metabolism, detoxification and bile productionExplanation: Liver performs metabolism, detoxification and bile production. The other choices describe different concepts.

View Question WhatsApp Share

QID #24620 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Kidney.

Correct Answer: B. filters blood and regulates water and electrolyte balance
Kidney filters blood and regulates water and electrolyte balance. The other choices describe different concepts.

Question: Select the accurate statement about Kidney.

A. performs metabolism, detoxification and bile production

B. filters blood and regulates water and electrolyte balance

C. supports calcium absorption and bone mineralization

D. is required for collagen synthesis and wound healing

Correct Answer: B. filters blood and regulates water and electrolyte balanceExplanation: Kidney filters blood and regulates water and electrolyte balance. The other choices describe different concepts.

View Question WhatsApp Share

QID #24619 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Insulin.

Correct Answer: A. helps lower blood glucose by promoting uptake and storage
Insulin helps lower blood glucose by promoting uptake and storage. The other choices describe different concepts.

Question: Select the accurate statement about Insulin.

A. helps lower blood glucose by promoting uptake and storage

B. is the principal signalling cell of the nervous system

C. filters blood and regulates water and electrolyte balance

D. transports most oxygen in human blood

Correct Answer: A. helps lower blood glucose by promoting uptake and storageExplanation: Insulin helps lower blood glucose by promoting uptake and storage. The other choices describe different concepts.

View Question WhatsApp Share

QID #24618 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Neuron.

Correct Answer: D. 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: Select the accurate statement about Neuron.

A. reduces chromosome number during gamete formation

B. converts light energy into chemical energy in green plants

C. produces genetically similar daughter cells for growth and repair

D. is the principal signalling cell of the nervous system

Correct Answer: D. is the principal signalling cell of the nervous systemExplanation: Neuron is the principal signalling cell of the nervous system. The other choices describe different concepts.

View Question WhatsApp Share

QID #24617 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Haemoglobin.

Correct Answer: C. transports most oxygen in human blood
Haemoglobin transports most oxygen in human blood. The other choices describe different concepts.

Question: Select the accurate statement about Haemoglobin.

A. is a functional unit of heredity encoded in nucleic acid

B. is the cellular site of protein synthesis

C. transports most oxygen in human blood

D. stores hereditary information in most organisms

Correct Answer: C. transports most oxygen in human bloodExplanation: Haemoglobin transports most oxygen in human blood. The other choices describe different concepts.

View Question WhatsApp Share

QID #24616 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Photosynthesis.

Correct Answer: B. 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: Select the accurate statement about Photosynthesis.

A. favours heritable traits that improve reproductive success

B. converts light energy into chemical energy in green plants

C. is the basic structural and functional unit of life

D. is a major site of aerobic energy production in eukaryotic cells

Correct Answer: B. converts light energy into chemical energy in green plantsExplanation: Photosynthesis converts light energy into chemical energy in green plants. The other choices describe different concepts.

View Question WhatsApp Share

QID #24615 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Meiosis.

Correct Answer: A. reduces chromosome number during gamete formation
Meiosis reduces chromosome number during gamete formation. The other choices describe different concepts.

Question: Select the accurate statement about Meiosis.

A. reduces chromosome number during gamete formation

B. is a biological agent capable of causing disease

C. includes organisms and their physical environment interacting together

D. induces immune memory without causing the target disease

Correct Answer: A. reduces chromosome number during gamete formationExplanation: Meiosis reduces chromosome number during gamete formation. The other choices describe different concepts.

View Question WhatsApp Share

QID #24614 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Mitosis.

Correct Answer: D. 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: Select the accurate statement about Mitosis.

A. is required for collagen synthesis and wound healing

B. is an immunoglobulin that recognizes a specific antigen

C. supports calcium absorption and bone mineralization

D. produces genetically similar daughter cells for growth and repair

Correct Answer: D. produces genetically similar daughter cells for growth and repairExplanation: Mitosis produces genetically similar daughter cells for growth and repair. The other choices describe different concepts.

View Question WhatsApp Share

QID #24613 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Gene.

Correct Answer: C. 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: Select the accurate statement about Gene.

A. performs metabolism, detoxification and bile production

B. helps lower blood glucose by promoting uptake and storage

C. is a functional unit of heredity encoded in nucleic acid

D. filters blood and regulates water and electrolyte balance

Correct Answer: C. is a functional unit of heredity encoded in nucleic acidExplanation: Gene is a functional unit of heredity encoded in nucleic acid. The other choices describe different concepts.

View Question WhatsApp Share

QID #24612 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about DNA.

Correct Answer: B. stores hereditary information in most organisms
DNA stores hereditary information in most organisms. The other choices describe different concepts.

Question: Select the accurate statement about DNA.

A. converts light energy into chemical energy in green plants

B. stores hereditary information in most organisms

C. transports most oxygen in human blood

D. is the principal signalling cell of the nervous system

Correct Answer: B. stores hereditary information in most organismsExplanation: DNA stores hereditary information in most organisms. The other choices describe different concepts.

View Question WhatsApp Share

QID #24611 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Ribosome.

Correct Answer: A. is the cellular site of protein synthesis
Ribosome is the cellular site of protein synthesis. The other choices describe different concepts.

Question: Select the accurate statement about Ribosome.

A. is the cellular site of protein synthesis

B. produces genetically similar daughter cells for growth and repair

C. reduces chromosome number during gamete formation

D. is a functional unit of heredity encoded in nucleic acid

Correct Answer: A. is the cellular site of protein synthesisExplanation: Ribosome is the cellular site of protein synthesis. The other choices describe different concepts.

View Question WhatsApp Share

QID #24610 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Mitochondrion.

Correct Answer: D. 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: Select the accurate statement about Mitochondrion.

A. is the cellular site of protein synthesis

B. stores hereditary information in most organisms

C. is the basic structural and functional unit of life

D. is a major site of aerobic energy production in eukaryotic cells

Correct Answer: D. is a major site of aerobic energy production in eukaryotic cellsExplanation: Mitochondrion is a major site of aerobic energy production in eukaryotic cells. The other choices describe different concepts.

View Question WhatsApp Share

QID #24609 AIIMS UPPSC Health Education Officer (HEO) 2026 Mock Test Series Bilingual General Science Biology Medium

Select the accurate statement about Cell.

Correct Answer: C. 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: Select the accurate statement about Cell.

A. favours heritable traits that improve reproductive success

B. is a biological agent capable of causing disease

C. is the basic structural and functional unit of life

D. includes organisms and their physical environment interacting together

Correct Answer: C. is the basic structural and functional unit of lifeExplanation: Cell is the basic structural and functional unit of life. The other choices describe different concepts.

View Question WhatsApp Share

Free MCQs with Answers | Military Brat Defence Academy

Select the accurate statement about Natural selection.

Select the accurate statement about Ecosystem.

Select the accurate statement about Pathogen.

Select the accurate statement about Vaccine.

Select the accurate statement about Antibody.

Select the accurate statement about Vitamin C.

Select the accurate statement about Vitamin D.

Select the accurate statement about Liver.

Select the accurate statement about Kidney.

Select the accurate statement about Insulin.

Select the accurate statement about Neuron.

Select the accurate statement about Haemoglobin.

Select the accurate statement about Photosynthesis.

Select the accurate statement about Meiosis.

Select the accurate statement about Mitosis.

Select the accurate statement about Gene.

Select the accurate statement about DNA.

Select the accurate statement about Ribosome.

Select the accurate statement about Mitochondrion.

Select the accurate statement about Cell.

Free MCQs with Answers and Explanations