ICSE Class 6 Biology Important Questions

Biology is the science of life that involves the study of living organisms, including their chemical compositions, physical compositions, developments, functions, and evolution. The word Biology is derived from the Greek word “bios”, which means “life”, and “logos”, which means “study”. The basics of Biology are taught in Class 6 in ICSE, which helps the students to understand the concepts they will get to learn once they are promoted to the next class. The important questions for ICSE Class 6 for Biology will help students in preparing for their exams.

ICSE Class 6 Biology Important questions provided below will help students to revise the entire syllabus in less duration of time. By going through the important questions, students will get an idea of which topic to stress more and accordingly, they can prepare themselves. The important questions of Biology are prepared by our subject experts by keeping in mind the ICSE Class 6 Biology syllabus.

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For the benefit of the students, we have mentioned below the ICSE Class 6 Important Questions of Biology to practice so that they can fetch superb marks in their exams.

  1. Choose the correct answer out of the four available choices given below each question.
    1. Who coined the term ‘cell’?
      1. Matthias Schleiden
      2. Theodor Schwann’
      3. Charles Darwin
      4. Robert Hooke
    2. Which of the following connects the pharynx to the stomach?
      1. Large intestine
      2. Oesophagus
      3. Caecum
      4. Small intestine
    3. Transpiration is a function of the.
      1. Leaves
      2. Stem
      3. Flower
      4. All of these
  2. Name the following.
    1. The organelle which digests old or injured parts of its own cell.
    2. A thin, sticky film composed of mucous, food particles and bacteria, which develops on the surface of the teeth over a period of time.
    3. The pattern or arrangement of veins on a leaf.
    4. The surface of a tooth.
    5. Tiny openings found on the lower side of the leaf for the exchange of gases.
  3. How is cactus adapted to survive in a desert?
  4. Why does mountain goats have strong hooves?
  5. Why is seed dispersal important? Explain the different methods of seed dispersal.
  6. Describe the structure and function of leaves.
  7. Define the following terms.
    1. Egestion
    2. Breathing
    3. Internodes
    4. Plaque
    5. Bisexual flower
  8. Define the following.
    1. Nutrition
    2. Peristalsis
    3. Petiole
    4. Unicellular organisms
    5. Enamel
  9. Explain the modifications in the leaf.
  10. Mention any two adaptations in birds which help them to fly in the air.
  11. State any two differences between dry fruits and fleshy fruits.
  12. Plants X and Y are cone-shaped with sloping branches. They have needle-shaped leaves, which are covered with a thick waxy cuticle.
    1. To which habitat are plants X and Y adapted?
    2. What is the advantage of needle-shaped leaves?
    3. Why do these plants have sloping branches?
  13. Snow leopard shows the presence of a rounded body, small ears and big feet. How do these adaptive features help the animal to survive in mountain regions?
  14. State the importance of transpiration.
  15. With the help of a suitable diagram, explain the structure and function of the mitochondria and the endoplasmic reticulum.
  16. Public hygiene is equally important as personal hygiene. Give a brief account on public hygiene.
  17. Mention any five adaptations in camels for desert habitat.
  18. Give one point of difference between the following on the basis of what is given in the brackets:
    1. Plant cell and animal cell (cell wall)
    2. Adaptation and acclimatisation (definition)
    3. Monocots and dicots (number of cotyledons)
    4. Incisors and canines (function)
    5. Pneumonia and dysentery (mode of transmission)
  19. Observe the given diagram and label the parts.
    ICSE Class 6 Biology Important Questions- BYJU'S
  20. Label the parts in the given diagram.
    ICSE Class 6 Biology Important Questions- BYJU'S https://byjus.com/icse/class-6/

Importance of solving ICSE Class 6 Biology Important Questions

  • It helps them to clear their concepts and doubts thoroughly.
  • Solving the ICSE important questions will help them to revise the entire syllabus in a short period of time.
  • Once they complete revising the entire syllabus, they should solve these important questions of Biology to fetch more marks.
  • It gives an idea to students of the types of questions asked during the exam and their difficulty level.


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