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Biology Revision

Question 1

Differentiate between:

  1. Mitosis and Meiosis.
  2. Diffusion and Osmosis.
  3. Hormone and Enzyme.
  4. Myopia and Hypermetropia.
  5. Nervous system and hormonal system.

Question 2

Explain the following terms:

  1. Interphase.
  2. Turgor Pressure.
  3. Diffusion Pressure.
  4. Cell Cycle.
  5. Chromatid.
  6. Mendel’s law of dominance.
  7. Dihybrid Cross.
  8. Reflex action.
  9. Astigmatism.
  10. Endocrine gland.

Question 3

Give reasons:

  1. Root hairs become flaccid, when fertilizers are added to the moist soil around it.
  2. During the day transpiration and photosynthesis are interlinked.
  3. Colour blindness is rarely reported in females.
  4. Twins may or may not be identical.
  5. Adrenalin is called the emergency hormone.
  6. Grapes shrink when immersed in a very strong sugar solution.
  7. Rapid increase of the population of India in recent times.
  8. One can tie shoe laces without seeing.
  9. Education is very important in population control.
  10. Meiosis is referred as reduction division.

Question 4

State whether the following are true or false:

  1. The glands with ducts are called exocrine gland.
  2. The endocrine system performs its function by special compounds called enzymes.
  3. The part of the ear associated with balance is the cochlea.
  4. High humidity in the atmosphere results in decrease in the rate of transpiration.
  5. All the cells of the plant undergo photosynthesis.
  6. Chemicals applied to spots and places to kill harmful micro-organisms are called disinfectants.
  7. Pregnancy can be prevented by vasectomy.
  8. Over secretion of thyroxin causes simple goitre.
  9. Cranial nerves arise from the brain
  10. Image is formed on the blind spot.

Question 5

State one difference in the following pairs.

  1. Tendon and ligament (function).
  2. Corpus callosum and corpus luteum (location).
  3. Ureter and Urethra (function).
  4. Conditional reflex and simple reflex (example).
  5. Stomatal transpiration and cuticular transpiration (parts from where it takes place).

Question 6

Name the following:

  1. The gland which secretes insulin.
  2. An organization whose function is to produce and supply blood to needy victims of a natural calamity.
  3. A substance produced by micro-organisms which inhibit and kill other micro-organisms.
  4. The phenomena of the contraction of cytoplasm from the cell wall caused due to withdrawal of water from the cell when placed in a hypertonic solution.
  5. The fundamental unit of nervous system.
  6. The process of cell division where chromosome number remains the same.
  7. The part of brain which is concerned with memory.
  8. The endocrine gland which produces emergency hormone.
  9. The opening through which light enters the eyes.
  10. The tube that leads from the ovary to the uterus.

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16 Responses to “Biology Revision”

  1. serin says:

    admin, there seems to be some mistake in the papers you have put up, instead of biology 2009, chemistry 2007 seems to be opening. please can you change it?

  2. anmol says:

    Is the chp of cells(1st chp in concise textbk) in syllabus???????

  3. namratha says:

    cool,best for revision………….

  4. siddhant says:

    what is catabolism and anabolism
    sir would you please mail me on my id—> siddhantch2007@yahoo.co.in

  5. admin says:

    Siddhant Please Please post questions like these on the forum:

  6. vardhman says:

    post some “GIVE ONE WORD FOR” questions

  7. mamtha says:

    This paper is a good one.

  8. admin says:

    “GIVE ONE WORD FOR” questions will be added today!

  9. sunita says:

    It rocks…….This is wonderful….It will help me tons….
    Kindly post more Quizzes & Questions…….I’m loving it…. :)

  10. adi says:

    why aren’t there any questions on genetic crosses?

  11. admin says:

    genetic crosses questions are there in Biology Quiz 3

  12. shraddha says:

    plzzzzzzzz send more questions……..
    its amazing!!!!!!!!

  13. abi says:

    sir can u tell the questions that may come tomorrow

  14. abi says:

    its good to refer this site so to gain more information aswell as on exam motive its very useful . so friends refer this questions

  15. Jyoti says:

    Cant view answers to biology questions

  16. Omkar Dange says:

    heyy admin …. I think there is some problem with the link of “Click here for answers”. an error says that page not found. Can you please fix it. :)

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