Biology Challenge | 250+ General Knowledge Questions

Explore the Wide World of Biology with Our Entertaining Experience

Welcome students it is time for an exciting journey through the world of biology with our top selected general knowledge questions on biology. In today’s article, we will try to explore a variety of GK questions on biology, All of our questions are designed to be easy and fun for students of all ages. From understanding the powerhouse of the cell to discovering how plants make their own food through photosynthesis, our GK questions cover almost all the fundamental concepts in a simple and straightforward format including fill in the blanks type question.

It doesn’t matter weather you are a small school student or just curious about the wonders of biology, Our general knowledge questions will help you to build a rock solid foundation on biology while also having a great time learning. So students what are you waiting for, lets dig in and explore the fascinating world of living organisms together.

Fun and Educational Biology Questions to Test Your General Knowledge Today

Question No. 1 – What is the powerhouse of the cell?
Answer: The mitochondria.

Question No. 2 – What is the process by which plants make their own food?
Answer: Photosynthesis.

Question No. 3 – What is the outermost layer of the skin called?
Answer: The epidermis.

Question No. 4 – What is the liquid part of blood called?
Answer: Plasma.

Question No. 5 – Which gas do humans breathe in and out?
Answer: Oxygen (O2) in, carbon dioxide (CO2) out.

Question No. 6 – What is the process of the body’s natural response to fight off infections called?
Answer: Immune response.

Question No. 7 – Which organ is responsible for pumping blood throughout the body?
Answer: The heart.

Question No. 8 – What is the largest organ in the human body?
Answer: The skin.

Question No. 9 – What are the tiny air sacs in the lungs where gas exchange occurs called?
Answer: Alveoli.

Question No. 10 – What is the hard outer covering of insects called?
Answer: Exoskeleton.

Question No. 11 – What is the process of plants releasing water vapor through small openings in their leaves called?
Answer: Transpiration.

Question No. 12 – Which type of blood vessel carries blood away from the heart?
Answer: Arteries.

Question No. 13 – What is the pigment that gives human skin its color?
Answer: Melanin.

Question No. 14 – What is the process by which an organism grows from a single cell into a multicellular organism called?
Answer: Development.

Question No. 15 – What is the main function of red blood cells?
Answer: To carry oxygen to the body’s tissues.

Question No. 16 – What is the process by which food is broken down into simpler substances in the body called?
Answer: Digestion.

Let’s Talk Biology: Challenge Yourself with Easy and Enjoyable General Knowledge Questions

Question No. 17 – What is the process by which plants and animals release energy from food called?
Answer: Respiration.

Question No. 18 – What is the main function of the nervous system?
Answer: To transmit signals throughout the body.

Question No. 19 – What is the substance in plants that gives them their green color and helps them carry out photosynthesis?
Answer: Chlorophyll.

Question No. 20 – What is the name of the largest bone in the human body?
Answer: The femur.

Question No. 21 – What is the fluid that lubricates joints in the body called?
Answer: Synovial fluid.

Question No. 22 – What is the process by which organisms produce offspring called?
Answer: Reproduction.

Question No. 23 – What is the process by which plants absorb water through their roots called?
Answer: Osmosis.

Question No. 24 – Which part of the eye controls the amount of light that enters?
Answer: The iris.

Question No. 25 – What is the process by which plants and animals exchange gases with their environment?
Answer: Respiration.

Question No. 26 – What is the name of the tiny structures in the cell where proteins are made?
Answer: Ribosomes.

Question No. 27 – Which gas do plants take in during photosynthesis?
Answer: Carbon dioxide (CO2).

Question No. 28 – What is the process by which a caterpillar turns into a butterfly called?
Answer: Metamorphosis.

Question No. 29 – What is the process by which DNA is copied before cell division?
Answer: DNA replication.

Question No. 30 – What is the liquid part of the cell where most of the cell’s activities take place?
Answer: Cytoplasm.

Question No. 31 – What is the process by which plants bend toward light called?
Answer: Phototropism.

Test Your Biology General Knowledge with an Easy and Accessible Questions for All Levels

Question No. 32 – What is the smallest unit of life?
Answer: The cell.

Question No. 33 – What is the name of the structure that controls the movement of substances into and out of the cell?
Answer: The cell membrane.

Question No. 34 – What is the process by which organisms break down food to release energy called?
Answer: Cellular respiration.

Question No. 35 – What is the process by which organisms take in oxygen and release carbon dioxide?
Answer: Respiration.

Question No. 36 – What is the green pigment found in plants that is essential for photosynthesis?
Answer: Chlorophyll.

Question No. 37 – What is the process by which plants lose water through small openings in their leaves called?
Answer: Transpiration.

Question No. 38 – What is the main function of the circulatory system?
Answer: To transport nutrients, oxygen, and hormones to cells throughout the body.

Question No. 39 – What is the process by which organisms produce offspring similar to themselves?
Answer: Reproduction.

Question No. 40 – What is the process by which organisms respond to changes in their environment called?
Answer: Adaptation.

Question No. 41 – What is the process by which plants produce their own food using sunlight, carbon dioxide, and water?
Answer: Photosynthesis.

Question No. 42 – What is the process by which cells divide to produce new cells?
Answer: Cell division.

Question No. 43 – What is the process by which an organism develops from a fertilized egg?
Answer: Embryonic development.

Question No. 44 – What is the process by which organisms remove waste products from their bodies?
Answer: Excretion.

Question No. 45 – What is the process by which plants and animals take in oxygen and release carbon dioxide?
Answer: Respiration.

Test Your Biology Smarts and Expand Your Knowledge with Our Fun Adventure Ahead

Question No. 46 – What is the name of the green pigment found in plants that is involved in photosynthesis?
Answer: Chlorophyll.

Question No. 47 – What is the process by which plants grow towards a source of light called?
Answer: Phototropism.

Question No. 48 – What is the process by which cells break down glucose to release energy?
Answer: Cellular respiration.

Question No. 49 – What is the process by which plants lose water vapor through small pores in their leaves?
Answer: Transpiration.

Question No. 50 – What is the main function of the respiratory system?
Answer: To exchange gases (oxygen and carbon dioxide) between the body and the environment.

Question No. 51 – What is the process by which organisms obtain and use energy from food?
Answer: Metabolism.

Question No. 52 – What is the process by which organisms convert sunlight into energy?
Answer: Photosynthesis.

Question No. 53 – What is the process by which an organism changes over time to better suit its environment?
Answer: Adaptation.

Question No. 54 – What is the process by which plants absorb water through their roots?
Answer: Osmosis.

Question No. 55 – What is the name of the process by which plants and animals release energy from food?
Answer: Respiration.

Question No. 56 – What is the process by which DNA is copied before cell division?
Answer: Replication.

Question No. 57 – What is the process by which organisms produce offspring similar to themselves?
Answer: Reproduction.

Question No. 58 – What is the green pigment found in plants that is essential for photosynthesis?
Answer: Chlorophyll.

Question No. 59 – What is the process by which plants lose water through small openings in their leaves?
Answer: Transpiration.

Discover the Magic of Biology: General Knowledge Questions Awaits for Fun Learning Moments

Question No. 60 – What is the main function of the circulatory system?
Answer: To transport nutrients, oxygen, and hormones to cells throughout the body.

Question No. 61 – What is the process by which organisms produce offspring similar to themselves?
Answer: Reproduction.

Question No. 62 – What is the process by which organisms respond to changes in their environment called?
Answer: Adaptation.

Question No. 63 – What is the process by which plants produce their own food using sunlight, carbon dioxide, and water?
Answer: Photosynthesis.

Question No. 64 – What is the process by which cells divide to produce new cells?
Answer: Cell division.

Question No. 65 – What is the process by which an organism develops from a fertilized egg?
Answer: Embryonic development.

Question No. 66 – What is the process by which organisms remove waste products from their bodies?
Answer: Excretion.

Question No. 67 – What is the process by which plants and animals take in oxygen and release carbon dioxide?
Answer: Respiration.

Question No. 68 – What is the name of the green pigment found in plants that is involved in photosynthesis?
Answer: Chlorophyll.

Question No. 69 – What is the process by which plants grow towards a source of light called?
Answer: Phototropism.

Question No. 70 – What is the process by which cells break down glucose to release energy?
Answer: Cellular respiration.

Question No. 71 – What is the process by which plants lose water vapor through small pores in their leaves?
Answer: Transpiration.

Question No. 72 – What is the main function of the respiratory system?
Answer: To exchange gases (oxygen and carbon dioxide) between the body and the environment.

Question No. 73 – What is the process by which organisms obtain and use energy from food?
Answer: Metabolism.

Let’s Play and Learn with Our Biology GK Quiz Experience: Fun Awaits

Question No. 74 – What is the process by which an organism changes over time to better suit its environment?
Answer: Adaptation.

Question No. 75 – What is the process by which plants absorb water through their roots?
Answer: Osmosis.

Question No. 76 – What is the name of the process by which plants and animals release energy from food?
Answer: Respiration.

Question No. 77 – What is the process by which DNA is copied before cell division?
Answer: Replication.

Question No. 78 – What is the process by which organisms produce offspring similar to themselves?
Answer: Reproduction.

Question No. 79 – What is the green pigment found in plants that is essential for photosynthesis?
Answer: Chlorophyll.

Question No. 80 – What is the process by which plants lose water through small openings in their leaves?
Answer: Transpiration.

Question No. 81 – What is the main function of the circulatory system?
Answer: To transport nutrients, oxygen, and hormones to cells throughout the body.

Question No. 82 – What is the process by which organisms produce offspring similar to themselves?
Answer: Reproduction.

Question No. 83 – What is the process by which organisms respond to changes in their environment called?
Answer: Adaptation.

Question No. 84 – What is the process by which plants produce their own food using sunlight, carbon dioxide, and water?
Answer: Photosynthesis.

Question No. 85 – What is the process by which cells divide to produce new cells?
Answer: Cell division.

Question No. 86 – What is the process by which an organism develops from a fertilized egg?
Answer: Embryonic development.

Question No. 87 – What is the process by which organisms remove waste products from their bodies?
Answer: Excretion.

Engage with Engrossing Biology Trivia for Everyone

Question No. 88 – What is the process by which plants and animals take in oxygen and release carbon dioxide?
Answer: Respiration.

Question No. 89 – What is the name of the green pigment found in plants that is involved in photosynthesis?
Answer: Chlorophyll.

Question No. 90 – What is the process by which plants grow towards a source of light called?
Answer: Phototropism.

Question No. 91 – What is the process by which cells break down glucose to release energy?
Answer: Cellular respiration.

Question No. 92 – What is the process by which plants lose water vapor through small pores in their leaves?
Answer: Transpiration.

Question No. 93 – What is the main function of the respiratory system?
Answer: To exchange gases (oxygen and carbon dioxide) between the body and the environment.

Question No. 94 – What is the process by which organisms obtain and use energy from food?
Answer: Metabolism.

Question No. 95 – What is the process by which an organism changes over time to better suit its environment?
Answer: Adaptation.

Question No. 96 – What is the process by which plants absorb water through their roots?
Answer: Osmosis.

Question No. 97 – What is the name of the process by which plants and animals release energy from food?
Answer: Respiration.

Question No. 98 – What is the process by which DNA is copied before cell division?
Answer: Replication.

Question No. 99 – What is the process by which organisms produce offspring similar to themselves?
Answer: Reproduction.

Question No. 100 – What is the green pigment found in plants that is essential for photosynthesis?
Answer: Chlorophyll.

Let’s Embark on a Journey of Discovery with Our Fascinating Biology General Knowledge Questions

Question No. 1 – The ______ is the powerhouse of the cell.
Answer: mitochondria.

Question No. 2 – Photosynthesis is the process by which plants make their own ______.
Answer: food.

Question No. 3 – The outermost layer of the skin is called the _______.
Answer: epidermis.

Question No. 4 – ______ is the liquid part of blood.
Answer: Plasma.

Question No. 5 – Humans breathe in _____ and breathe out carbon dioxide.
Answer: oxygen

Question No. 6 – The body’s natural response to fight off infections is called the _______ response.
Answer: immune

Question No. 7 – The _______ is responsible for pumping blood throughout the body.
Answer: heart

Question No. 8 – The largest organ in the human body is the ______.
Answer: skin

Question No. 9 – Alveoli are tiny air sacs in the lungs where ______ exchange occurs.
Answer: gas

Question No. 10 – The hard outer covering of insects is called the ________.
Answer: exoskeleton

Question No. 11 – Plants release water vapor through small openings in their leaves called ______.
Answer: stomata

Question No. 12 – Arteries carry blood away from the _______.
Answer: heart

Question No. 13 – The pigment that gives human skin its color is called ________.
Answer: melanin

Question No. 14 – ________ is the process by which an organism grows from a single cell into a multicellular organism.
Answer: Development.

Question No. 15 – Red blood cells carry ________ to the body’s tissues.
Answer: oxygen.

Question No. 16 – Digestion is the process by which food is broken down into simpler ________.
Answer: substances.

Question No. 17 – Respiration is the process by which plants and animals release _______ from food.
Answer: energy.

Fun Biology Questions for Curious Minds: Challenge Yourself

Question No. 18 – The main function of the nervous system is to transmit _______ throughout the body.
Answer: signals

Question No. 19 – Chlorophyll is the substance in plants that gives them their ______ color.
Answer: green

Question No. 20 – The ______ is the largest bone in the human body.
Answer: femur

Question No. 21 – Synovial fluid lubricates ______ in the body.
Answer: joints

Question No. 22 – Reproduction is the process by which organisms produce ______.
Answer: offspring

Question No. 23 – Osmosis is the process by which plants absorb ______ through their roots.
Answer: water

Question No. 24 – The ______ controls the amount of light that enters the eye.
Answer: iris

Question No. 25 – Cellular respiration is the process by which cells break down glucose to release ______.
Answer: energy

Question No. 26 – Ribosomes are tiny structures in the cell where ______ are made.
Answer: proteins

Question No. 27 – Carbon dioxide is taken in by plants during the process of _______.
Answer: photosynthesis

Question No. 28 – Metamorphosis is the process by which a caterpillar turns into a _______.
Answer: butterfly

Question No. 29 – DNA replication is the process by which DNA is copied before______.
Answer: cell division

Question No. 30 – Cytoplasm is the liquid part of the cell where most of the cell’s _____ take place.
Answer: activities

Question No. 31 – Phototropism is the process by which plants bend toward a source of ______.
Answer: light

Question No. 32 – The cell membrane controls the movement of substances into and out of the _____.
Answer: cell

Question No. 33 – Cellular respiration is the process by which organisms break down food to release _____.
Answer: energy.

Explore the Marvels of Life Science with Our Interactive General Knowledge Questions On Biology

Question No. 34 – Adaptation is the process by which an organism changes over time to better _____ its environment.
Answer: suit

Question No. 35 – Osmosis is the process by which plants absorb water through their _____.
Answer: roots

Question No. 36 – Photosynthesis is the process by which plants produce their own food using sunlight, carbon dioxide, and ______.
Answer: water

Question No. 37 – Transpiration is the process by which plants lose water vapor through small ______ in their leaves.
Answer: openings

Question No. 38 – The main function of the circulatory system is to transport nutrients, oxygen, and hormones to _____ throughout the body.
Answer: cells

Question No. 39 – Adaptation is the process by which organisms respond to changes in their ______.
Answer: environment

Question No. 40 – Respiration is the process by which plants and animals exchange gases with their ______.
Answer: environment

250+ General Knowledge Questions Related to Geography

Explore the Wonders of Physics | General Knowledge Questions.

GK Questions for Class 5 Students (2023 Updated)

General Knowledge Questions Of Agriculture | 150+ GK Quiz.

Pollution | General Knowledge Questions With Answers