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Uproot an onion plant and take a thin se...

Uproot an onion plant and take a thin section of its root tip. Stain it and observe under microscope. Draw as you see and identify the stages of the cell division.

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Make sketches of animal and plant cells which you observe under Microscope.

Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or dicot stem? Give reasons.

Take a glass jar and fill with soil. Show a bean seed near the wall of the jar. After 4 - 5 days you will notice seed germination. Keep the jar under the sun. Observe how root and shoot grows. Then tilt the glass jar and keep the plant horizontally. Observe the direction of the root and shoot growth for more than a week iii) Do you find any differences in the shape of epidermal cells?

Take one or two drops of butter milk on a slide, spread it. Heat the slide slightly on a lamp (3-4 seconds). Add a few drops of crystal violet on it. Leave it for 30 to 60 seconds and wash the slide gently with water. Observe the slide under the compound Microscope. Draw rough sketches in your note book of what you have observed.

Collect some aquatic plants-cut the leaves and stems. Observe them under microscope and record your observations like air presence/absence of air spaces etc and answer the below: Draw a diagram of what you have observed under microscope?

Take a glass jar and fill with soil. Show a bean seed near the wall of the jar. After 4 - 5 days you will notice seed germination. Keep the jar under the sun. Observe how root and shoot grows. Then tilt the glass jar and keep the plant horizontally. Observe the direction of the root and shoot growth for more than a week vi) What did they observe by that experiment?

Take two paper cups.Fill them with fertile soil.sow two or three bean seeds in a cup and few finger millets in another cup.Sprinkle water over them.then place them by the window.After a couple of days you will see them sprout observe the newly emerging leaves. What kind of root system do you find in the bean plant?

Take two paper cups.Fill them with fertile soil.sow two or three bean seeds in a cup and few finger millets in another cup.Sprinkle water over them.then place them by the window.After a couple of days you will see them sprout observe the newly emerging leaves. What kind of root system do you find in the millet plant?

VGS PUBLICATION-BRILLIANT-REPRODUCTION-EXERCISE
  1. Vicky's father wants to grow a single plant having two desirable chara...

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  2. What procedure you will follow to observe stages of mitosis in onion ...

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  3. Uproot an onion plant and take a thin section of its root tip. Stain i...

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  4. Collect information from school library or using internet what vegetat...

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  5. Make a flow chart to show the cell cycle and explain cell division des...

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  6. Draw neat labelled diagrams of male and female reproductive system of ...

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  7. Observe the following part of a flowering plant. Prepare a note.

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  8. Prepare a flow to explain the process of sexual reproduction in plants...

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  9. Draw a neatly labelled diagram to explain plant fertilisation. Write a...

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  10. How ill you appreciate cell division that help perpetuation of life?

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  11. What precautions will you take to away from various sexually transmitt...

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  12. Conduct a seminar on child marriages and foeticide.

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  13. The part of the female reproductive system that produces the eggs……….

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  14. The term that we use to describe a sperm cell fusing with an egg cell…...

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  15. Which part of the male reprodutive system produces (human) the sperm c...

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  16. How does the sperm break throughthe egg cell membrance ? Choose the op...

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  17. Why are egg cells large than sperm cells? Choose the option you think ...

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  18. Which of these things will affect the way a foetus grows? Choose the o...

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  19. Which of the following is the correct squence of steps in the human li...

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  20. How do you think bacteria were dividing to form curd?

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