Table of Contents
GK Question on Biology
Biology, the science of life and living organisms, offers a fascinating exploration of the natural world. From the tiniest microorganisms to the largest mammals, biology helps us understand the complexities of life and the various processes that sustain it. Whether you are a student, a science enthusiast, or someone preparing for competitive exams, having a good grasp of biology general knowledge can be immensely beneficial.
One of the best ways to enhance your understanding of biology is through quizzes. Engaging in a biology quiz with answers not only tests your knowledge but also reinforces what you have learned. Biology general knowledge questions cover a wide range of topics, including human anatomy, plant physiology, genetics, evolution, and ecology. These questions help in building a strong foundation in the subject, making it easier to understand more complex concepts later on. Moreover, answering GK questions on biology can be a fun and interactive way to learn.
Practicing biology general knowledge questions and answers can help you prepare for exams, improve your problem-solving skills, and keep your mind sharp. It also allows you to stay updated with the latest scientific discoveries and developments.
GK Question on Biology with Answers
Here are the top 100+ biology general knowledge questions and answers:
Question: What is the basic unit of life?
Answer: The cell.
Question: Which organelle is known as the powerhouse of the cell?
Answer: Mitochondria.
Question: What is the process by which plants make their food?
Answer: Photosynthesis.
Question: What molecule carries genetic information in most living organisms?
Answer: DNA (Deoxyribonucleic Acid).
Question: What is the name of the process by which cells divide to form two daughter cells?
Answer: Mitosis.
Question: What is the name of the pigment that gives plants their green color?
Answer: Chlorophyll.
Question: What is the largest organ in the human body?
Answer: The skin.
Question: What type of blood cells are responsible for fighting infections?
Answer: White blood cells.
Question: What is the name of the structure that connects muscles to bones?
Answer: Tendons.
Question: What part of the brain is responsible for controlling balance and coordination?
Answer: The cerebellum.
Question: What is the term for animals that eat both plants and animals?
Answer: Omnivores.
Question: What is the process by which organisms break down glucose to produce energy?
Answer: Cellular respiration.
Question: What are the building blocks of proteins?
Answer: Amino acids.
Question: What is the name of the sugar found in milk?
Answer: Lactose.
Question: What is the main function of red blood cells?
Answer: To carry oxygen throughout the body.
Question: Which organ is primarily responsible for detoxifying the blood?
Answer: The liver.
Question: What is the term for a plant that lives for more than two years?
Answer: Perennial.
Question: What is the term for the movement of water molecules across a semi-permeable membrane?
Answer: Osmosis.
Question: What is the smallest bone in the human body?
Answer: The stapes (in the ear).
Question: Which vitamin is produced when the skin is exposed to sunlight?
Answer: Vitamin D.
Question: What is the primary component of plant cell walls? A
nswer: Cellulose.
Question: What is the process by which a single organism produces offspring identical to itself?
Answer: Asexual reproduction.
Question: What part of the cell contains the genetic material?
Answer: The nucleus.
Question: What is the main function of chloroplasts in plant cells?
Answer: To conduct photosynthesis.
Question: What is the scientific name for the human species?
Answer: Homo sapiens.
Question: Which organ system is responsible for transporting nutrients, gases, and wastes in the body?
Answer: The circulatory system.
Question: What is the main function of the small intestine?
Answer: To absorb nutrients from digested food.
Question: What type of organism is capable of making its own food through photosynthesis or chemosynthesis?
Answer: Autotroph.
Question: What hormone regulates blood sugar levels?
Answer: Insulin.
Question: What is the term for the study of heredity and the variation of inherited characteristics?
Answer: Genetics.
Question: What is the fluid part of the blood called?
Answer: Plasma.
Question: Which organ is responsible for pumping blood throughout the body?
Answer: The heart.
Question: What are the two main types of nucleic acids?
Answer: DNA and RNA.
Question: What is the name of the protein that carries oxygen in the blood?
Answer: Hemoglobin.
Question: What is the main function of ribosomes in a cell?
Answer: To synthesize proteins.
Question: Which structure in the human body is responsible for filtering blood to produce urine?
Answer: The kidneys.
Question: What is the name of the process by which plants lose water vapor through their leaves?
Answer: Transpiration.
Question: What is the process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight?
Answer: Photosynthesis.
Question: What type of macromolecule are enzymes?
Answer: Proteins.
Question: What is the name of the pigment that gives red blood cells their color?
Answer: Hemoglobin.
Question: Which part of the brain is responsible for regulating vital functions such as heartbeat and breathing?
Answer: The medulla oblongata.
Question: What is the study of microorganisms called?
Answer: Microbiology.
Question: What is the term for a group of similar cells that perform a specific function?
Answer: Tissue.
Question: What is the main structural component of hair and nails?
Answer: Keratin.
Question: Which blood type is known as the universal donor?
Answer: O negative.
Question: What is the process by which an animal sheds its exoskeleton?
Answer: Molting.
Question: What is the function of the alveoli in the lungs?
Answer: To exchange oxygen and carbon dioxide.
Question: What is the name of the process by which cells obtain energy from glucose without using oxygen?
Answer: Anaerobic respiration.
Question: Which hormone is responsible for regulating metabolism?
Answer: Thyroxine.
Question: What type of joint is found in the shoulder and hip, allowing for a wide range of movement?
Answer: Ball-and-socket joint.
Question: What is the name of the outer layer of skin cells?
Answer: Epidermis.
Question: Which organ system is responsible for protecting the body from disease and foreign invaders?
Answer: The immune system.
Question: What is the name of the process by which white blood cells engulf and digest pathogens?
Answer: Phagocytosis.
Question: What is the term for the genetic makeup of an organism?
Answer: Genotype.
Question: What is the primary role of the large intestine?
Answer: To absorb water and electrolytes from indigestible food matter.
Question: What type of reproduction involves the fusion of male and female gametes?
Answer: Sexual reproduction.
Question: What is the name of the molecule that stores and transmits genetic information?
Answer: DNA (Deoxyribonucleic Acid).
Question: What is the term for the variety of life and its processes, including the diversity of species, ecosystems, and genetic variations?
Answer: Biodiversity.
Question: Which organ in the human body produces bile?
Answer: The liver.
Question: What is the function of the xylem in plants?
Answer: To transport water and nutrients from the roots to the rest of the plant.
Question: What is the main function of the roots of a plant?
Answer: To absorb water and nutrients from the soil.
Question: What is the name of the male reproductive cell in animals?
Answer: Sperm.
Question: What part of the brain controls voluntary movements and coordination?
Answer: The cerebellum.
Question: What is the process by which green plants produce their own food using sunlight?
Answer: Photosynthesis.
Question: What is the term for an organism that can make its own food?
Answer: Autotroph.
Question: What is the main function of platelets in the blood?
Answer: To help with blood clotting.
Question: What is the name of the largest artery in the human body?
Answer: The aorta.
Question: Which part of the cell is responsible for protein synthesis?
Answer: Ribosomes.
Question: What is the main function of the large intestine?
Answer: To absorb water and form feces.
Question: What is the term for the genetic material found in the nucleus of a cell?
Answer: DNA (Deoxyribonucleic Acid).
Question: What is the name of the process by which cells make energy from glucose and oxygen?
Answer: Cellular respiration.
Question: What is the scientific name for the process of cell division in eukaryotic cells?
Answer: Mitosis.
Question: Which part of the plant is responsible for photosynthesis?
Answer: The leaves.
Question: What is the main function of red blood cells?
Answer: To transport oxygen.
Question: What type of joint is found in the elbow and knee?
Answer: Hinge joint.
Question: What is the process by which an organism maintains a stable internal environment?
Answer: Homeostasis.
Question: What is the name of the molecule that carries oxygen in the blood?
Answer: Hemoglobin.
Question: What is the name of the process by which plants release water vapor through their leaves?
Answer: Transpiration.
Question: Which type of cell division produces gametes (sperm and eggs)?
Answer: Meiosis.
Question: What is the name of the tiny structures in the cell where proteins are synthesized?
Answer: Ribosomes.
Question: What is the function of the cerebrum in the human brain?
Answer: It controls thinking, reasoning, and voluntary movements.
Question: What is the name of the tissue that connects muscles to bones?
Answer: Tendons.
Question: Which gas do plants take in during photosynthesis?
Answer: Carbon dioxide (CO2).
Question: What is the term for an organism that obtains energy by consuming other organisms? A
nswer: Heterotroph.
Question: What is the name of the hormone that regulates blood sugar levels in the human body?
Answer: Insulin.
Question: Which part of the human digestive system absorbs most of the nutrients from food?
Answer: The small intestine.
Question: What is the function of the lens in the human eye?
Answer: It focuses light onto the retina.
Question: What is the name of the process by which food is broken down into simpler substances in the digestive system?
Answer: Digestion.
Question: What is the term for the network of nerves that carries signals between the brain and the rest of the body?
Answer: The nervous system.
Question: Which part of a flower produces pollen?
Answer: The stamen.
Question: What is the name of the protein that allows red blood cells to carry oxygen?
Answer: Hemoglobin.
Question: What is the function of the mucus in the respiratory system?
Answer: It traps dust and pathogens, preventing them from entering the lungs.
Question: What is the name of the process by which plants respond to light?
Answer: Phototropism.
Question: What is the scientific name for the study of fungi?
Answer: Mycology.
Question: Which gas do humans exhale as a waste product of cellular respiration?
Answer: Carbon dioxide (CO2).
Question: What is the name of the process by which an insect sheds its outer skeleton to grow?
Answer: Molting.
Question: What is the function of the epiglottis in the human body?
Answer: It prevents food from entering the windpipe (trachea) during swallowing.
Question: What is the name of the process by which plants bend toward or away from a stimulus such as light?
Answer: Phototropism.
Question: Which type of blood vessel carries blood away from the heart?
Answer: Arteries.
Question: What is the name of the process by which water moves through a plant from roots to leaves and evaporates from the leaf surface?
Answer: Transpiration stream or cohesion-tension theory.
Question: Which part of the cell is responsible for storing water, nutrients, and waste products?
Answer: Vacuole.
Question: What is the name of the chemical process by which plants and some bacteria convert light energy into chemical energy?
Answer: Photosynthesis.
Question: What is the term for the rigid outer layer of a plant cell that provides structure and support?
Answer: Cell wall.
Question: Which gland in the human body regulates metabolism and is located in the neck?
Answer: Thyroid gland.
Question: What is the name of the pigment in red blood cells that binds to oxygen?
Answer: Hemoglobin.
Question: What is the name of the process by which water is absorbed by plant roots and moves through the plant to the leaves?
Answer: Transpiration.
Question: Which part of the human brain is responsible for regulating basic bodily functions such as breathing and heartbeat?
Answer: The brainstem.
