Biology MCQ GK Quiz

The Biology MCQ GK Quiz is a collection of multiple-choice questions designed to test general knowledge related to the biological sciences. It includes topics from cell biology, human anatomy, plant physiology, genetics, ecology, evolution, and more.

These quizzes are useful for students, competitive exam aspirants, and knowledge seekers preparing for exams like NEET, SSC, Railway, UPSC, and other entrance or recruitment tests. The quiz enhances understanding of basic biology concepts and facts through engaging and objective-based learning.

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What is the powerhouse of the cell?

  • Nucleus
  • Mitochondria
  • Ribosome
  • Chloroplast

Mitochondria are known as the powerhouse of the cell.

Who is known as the father of genetics?

  • Charles Darwin
  • Gregor Mendel
  • Gregor Mendel
  • Louis Pasteur

Gregor Mendel is known as the father of genetics.

What is the basic unit of life?

  • Cell
  • Atom
  • Molecule
  • Organ

The cell is the basic unit of life.

What is the process by which plants make food?

  • Respiration
  • Photosynthesis
  • Transpiration
  • Fermentation

Plants make their food through the process of photosynthesis.

What is the genetic material in cells?

  • RNA
  • DNA
  • Protein
  • Lipid

DNA is the genetic material in cells.

What organ is responsible for pumping blood throughout the body?

  • Heart
  • Liver
  • Kidney
  • Lungs

The heart is responsible for pumping blood throughout the body.

What is the largest organ in the human body?

  • Skin
  • Liver
  • Lungs
  • Heart

The skin is the largest organ in the human body.

What is the main function of red blood cells?

  • Fight infections
  • Carry oxygen
  • Clot blood
  • Carry nutrients

The main function of red blood cells is to carry oxygen.

What is the primary function of the lungs?

  • Digest food
  • Exchange gases
  • Filter blood
  • Produce hormones

The primary function of the lungs is to exchange gases.

What is the name of the process by which cells divide?

  • Mitosis
  • Meiosis
  • Binary fission
  • Budding

Mitosis is the process by which cells divide.

What is the main function of white blood cells?

  • Fight infections
  • Carry oxygen
  • Clot blood
  • Carry nutrients

The main function of white blood cells is to fight infections.

What is the chemical name for table sugar?

  • Sucrose
  • Glucose
  • Fructose
  • Lactose

The chemical name for table sugar is sucrose.

What is the study of living organisms called?

  • Biology
  • Chemistry
  • Physics
  • Geology

Biology is the study of living organisms.

What is the term for an organism that makes its own food?

  • Autotroph
  • Heterotroph
  • Decomposer
  • Consumer

An autotroph is an organism that makes its own food.

What is the function of the ribosomes in a cell?

  • Protein synthesis
  • Energy production
  • DNA replication
  • Lipid synthesis

Ribosomes are responsible for protein synthesis in a cell.

What is the primary function of the kidneys?

  • Filter blood
  • Produce hormones
  • Digest food
  • Exchange gases

The primary function of the kidneys is to filter blood.

What is the main function of the liver?

  • Detoxification
  • Exchange gases
  • Protein synthesis
  • DNA replication

The main function of the liver is detoxification.

What is the basic unit of heredity?

  • Gene
  • Chromosome
  • DNA
  • Cell

The gene is the basic unit of heredity.

What is the process by which a cell divides into two identical daughter cells?

  • Mitosis
  • Meiosis
  • Binary fission
  • Budding

Mitosis is the process by which a cell divides into two identical daughter cells.

What is the primary function of the large intestine?

  • Absorb water
  • Digest food
  • Filter blood
  • Produce hormones

The primary function of the large intestine is to absorb water.

What is the primary function of the small intestine?

  • Absorb nutrients
  • Filter blood
  • Exchange gases
  • Produce hormones

The primary function of the small intestine is to absorb nutrients.

What is the main component of the cell membrane?

  • Phospholipids
  • Proteins
  • Carbohydrates
  • Nucleic acids

Phospholipids are the main component of the cell membrane.

What is the primary function of the chloroplasts in plant cells?

  • Photosynthesis
  • Respiration
  • Protein synthesis
  • DNA replication

The primary function of chloroplasts in plant cells is photosynthesis.

What is the main function of the mitochondria?

  • Energy production
  • Protein synthesis
  • DNA replication
  • Lipid synthesis

The main function of mitochondria is energy production.

What is the primary function of the stomach?

  • Digest food
  • Filter blood
  • Exchange gases
  • Produce hormones

The primary function of the stomach is to digest food.

What is the main function of the pancreas?

  • Produce insulin
  • Filter blood
  • Exchange gases
  • Absorb nutrients

The main function of the pancreas is to produce insulin.

What is the primary function of hemoglobin?

  • Carry oxygen
  • Fight infections
  • Clot blood
  • Carry nutrients

The primary function of hemoglobin is to carry oxygen.

What is the main function of the gallbladder?

  • Store bile
  • Produce hormones
  • Filter blood
  • Digest food

The main function of the gallbladder is to store bile.

What is the primary function of the nervous system?

  • Transmit signals
  • Exchange gases
  • Digest food
  • Filter blood

The primary function of the nervous system is to transmit signals.