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A student kept leaves of Bryophyllum in ...

A student kept leaves of Bryophyllum in the soil. After few days new plants were grown from them. Why ?

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Bryophyllum leaves bear buds in their notches along the margin. When a leaf kept in the soil, the buds come in contact of the soil and develop into plantlets. These plantlets later grow into new plants.
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Fill in the blanks: From_________part of Bryophyllum new plants are produced.

A potted plant is kept in light for a day and one of its leaves is tested for starch. The same plant is kept in the dark for two days and another leaf is tested for starch. Will there be a difference in the results of the two experiments? Give reasons for your answer.

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?

Take some paddy grains and soak them in water for one day. Take them into watch glass and sow them in soil. After that observe the radicle and plumule with the help of hand lens and draw the picture of it.

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 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 iv) Who performed experiments on phototropism?

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?

Look at leaves of the same plant on the shady side and compare it with the leaves on the sunny side. Or, compare the potted plants kept in the sunlight with those in the shade. Which of them has leaves that are darker green? Why? Answer

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