Top 50 MCQ Of Biology For NEET, SSC, POLICE, UPSC

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Preparing for the NEET exam requires a deep understanding of biology concepts and the ability to apply them effectively. Multiple Choice Questions (MCQs) are a crucial part of the NEET Biology section, testing your knowledge across various topics like cell structure, genetics, human physiology, and plant biology. In this guide, we provide 50 meticulously crafted MCQs tailored for NEET aspirants. Each question is designed to challenge your understanding and enhance your problem-solving skills, ensuring you’re well-prepared to excel in the exam. Dive into these questions to sharpen your preparation and increase your chances of success in NEET.

Question 1: Which of the following is the powerhouse of the cell?

A) Nucleus
B) Mitochondria
C) Ribosome
D) Golgi apparatus

Question 2: What is the primary function of hemoglobin in the human body?

A) Transport of oxygen
B) Digestion of fats
C) Regulation of body temperature
D) Clotting of blood

Question 3: Which process involves the fusion of male and female gametes?

A) Mitosis
B) Meiosis
C) Fertilization
D) Sporulation

Question 4: Which of the following is a polysaccharide?

A) Glucose
B) Sucrose
C) Starch
D) Fructose

Question 5: Which hormone regulates blood sugar levels in the human body?

A) Thyroxine
B) Insulin
C) Adrenaline
D) Cortisol

Question 6: Which part of the brain is responsible for coordination and balance?

A) Cerebrum
B) Cerebellum
C) Medulla oblongata
D) Hypothalamus

Question 7: The genetic material in a virus is:

A) DNA
B) RNA
C) Both DNA and RNA
D) Neither DNA nor RNA

Question 8: Which of the following is the smallest unit of life?

A) Tissue
B) Cell
C) Organ
D) Molecule

Question 9: Which type of cell division results in the formation of gametes?

A) Mitosis
B) Meiosis
C) Binary fission
D) Budding

Question 10: Which of the following is not a component of the cell membrane?

A) Phospholipids
B) Proteins
C) Cholesterol
D) Nucleic acids

Question 11: The process by which plants make their food is called:

A) Respiration
B) Transpiration
C) Photosynthesis
D) Fermentation

Question 12: What is the function of ribosomes in a cell?

A) Energy production
B) Protein synthesis
C) Lipid metabolism
D) Cell division

Question 13: Which organ is responsible for filtering blood in the human body?

A) Liver
B) Kidney
C) Lungs
D) Heart

Question 14: Which of the following structures is found in plant cells but not in animal cells?

A) Nucleus
B) Cell wall
C) Mitochondria
D) Ribosome

Question 15: Which of the following is a nitrogenous base found in DNA?

A) Adenine
B) Cytosine
C) Guanine
D) All of the above

Question 16: Which type of blood vessel carries blood away from the heart?

A) Veins
B) Arteries
C) Capillaries
D) Lymph vessels

Question 17: The powerhouse of the cell, responsible for energy production, is:

A) Chloroplast
B) Lysosome
C) Mitochondrion
D) Nucleus

Question 18: Which of the following is a function of the liver?

A) Insulin production
B) Bile production
C) Oxygen transport
D) Nerve impulse transmission

Question 19: The basic structural and functional unit of the nervous system is:

A) Neuron
B) Glial cell
C) Axon
D) Dendrite

Question 20: Which of the following is a vestigial organ in humans?

A) Appendix
B) Liver
C) Heart
D) Brain

Question 21: What is the primary site of photosynthesis in a plant?

A) Roots
B) Stems
C) Leaves
D) Flowers

Question 22: Which of the following is an example of a prokaryotic cell?

A) Plant cell
B) Animal cell
C) Bacterial cell
D) Fungal cell

Question 23: Which part of the cell contains the genetic material?

A) Cytoplasm
B) Nucleus
C) Ribosome
D) Endoplasmic reticulum

Question 24: What is the main function of white blood cells?

A) Oxygen transport
B) Immune response
C) Clot formation
D) Digestion

Question 25: The enzyme that breaks down starch into sugar is:

A) Pepsin
B) Amylase
C) Lipase
D) Trypsin

Question 26: Which process converts glucose into energy in the presence of oxygen?

A) Fermentation
B) Glycolysis
C) Photosynthesis
D) Cellular respiration

Question 27: Which of the following is a function of the large intestine?

A) Protein digestion
B) Water absorption
C) Glucose metabolism
D) Oxygen exchange

Question 28: Which molecule carries genetic information from DNA to the ribosome?

A) tRNA
B) mRNA
C) rRNA
D) DNA

Question 29: Which organelle is responsible for packaging and transporting proteins?

A) Golgi apparatus
B) Lysosome
C) Nucleus
D) Mitochondrion

Question 30: Which vitamin is produced by the skin in response to sunlight?

A) Vitamin A
B) Vitamin C
C) Vitamin D
D) Vitamin E

Question 31: The process by which water moves across a semipermeable membrane is called:

A) Diffusion
B) Osmosis
C) Active transport
D) Filtration

Question 32: Which of the following is a characteristic of all living organisms?

A) Ability to move
B) Presence of a nervous system
C) Ability to reproduce
D) Presence of a skeleton

Question 33: The human heart is composed of how many chambers?

A) Two
B) Three
C) Four
D) Five

Question 34: Which of the following is an example of an exocrine gland?

A) Thyroid gland
B) Adrenal gland
C) Sweat gland
D) Pituitary gland

Question 35: Which type of tissue connects muscles to bones?

A) Ligament
B) Tendon
C) Cartilage
D) Epithelium

Question 36: The human body system responsible for transporting nutrients and oxygen is the:

A) Nervous system
B) Digestive system
C) Circulatory system
D) Respiratory system

Question 37: Which of the following is a function of the skeletal system?

A) Hormone production
B) Nutrient absorption
C) Blood cell formation
D) Gas exchange

Question 38: The fluid that fills the space between cells and tissues is called:

A) Plasma
B) Cytoplasm
C) Interstitial fluid
D) Lymph

Question 39: Which type of joint allows for rotation and movement in multiple directions?

A) Hinge joint
B) Ball-and-socket joint
C) Pivot joint
D) Saddle joint

Question 40: Which process is used by cells to engulf large particles?

A) Pinocytosis
B) Phagocytosis
C) Exocytosis
D) Endocytosis

Question 41: The part of the plant that absorbs water and nutrients from the soil is:

A) Stem
B) Root
C) Leaf
D) Flower

Question 42: Which of the following is the genetic material of most living organisms?

A) DNA
B) RNA
C) Protein
D) Lipid

Question 43: Which process results in the formation of two identical daughter cells?

A) Meiosis
B) Mitosis
C) Binary fission
D) Conjugation

Question 44: The pigment responsible for the green color in plants is:

A) Carotene
B) Xanthophyll
C) Chlorophyll
D) Anthocyanin

Question 45: Which of the following is involved in the blood clotting process?

A) Platelets
B) Red blood cells
C) White blood cells
D) Plasma

Question 46: The largest organ in the human body is:

A) Heart
B) Liver
C) Skin
D) Brain

Question 47: The organ that regulates the body’s metabolism is:

A) Pancreas
B) Liver
C) Thyroid gland
D) Kidney

Question 48: The type of reproduction that results in offspring genetically identical to the parent is:

A) Sexual reproduction
B) Asexual reproduction
C) Cross-pollination
D) Genetic recombination

Question 49: Which of the following is a waste product of photosynthesis?

A) Oxygen
B) Carbon dioxide
C) Water
D) Glucose

Question 50: Which structure in the cell is responsible for protein synthesis?

A) Nucleus
B) Ribosome
C) Lysosome
D) Mitochondrion

Answer sheet

Question 1: B) Mitochondria

Question 2: A) Transport of oxygen

Question 3: C) Fertilization

Question 4: C) Starch

Question 5: B) Insulin

Question 6: B) Cerebellum

Question 7: C) Both DNA and RNA

Question 8: B) Cell

Question 9: B) Meiosis

Question 10: D) Nucleic acids

Question 11: C) Photosynthesis

Question 12: B) Protein synthesis

Question 13: B) Kidney

Question 14: B) Cell wall

Question 15: D) All of the above

Question 16: B) Arteries

Question 17: C) Mitochondrion

Question 18: B) Bile production

Question 19: A) Neuron

Question 20: A) Appendix

Question 21: C) Leaves

Question 22: C) Bacterial cell

Question 23: B) Nucleus

Question 24: B) Immune response

Question 25: B) Amylase

Question 26: D) Cellular respiration

Question 27: B) Water absorption

Question 28: B) mRNA

Question 29: A) Golgi apparatus

Question 30: C) Vitamin D

Question 31: B) Osmosis

Question 32: C) Ability to reproduce

Question 33: C) Four

Question 34: C) Sweat gland

Question 35: B) Tendon

Question 36: C) Circulatory system

Question 37: C) Blood cell formation

Question 38: C) Interstitial fluid

Question 39: B) Ball-and-socket joint

Question 40: B) Phagocytosis

Question 41: B) Root

Question 42: A) DNA

Question 43: B) Mitosis

Question 44: C) Chlorophyll

Question 45: A) Platelets

Question 46: C) Skin

Question 47: C) Thyroid gland

Question 48: B) Asexual reproduction

Question 49: A) Oxygen

Question 50: B) Ribosome