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Std 6 ( Science ), Chapter 7, Getting to know plants, ( textbook exercise. write in the notebook . only answers ), 1. Correct the following statements and rewrite them in your notebook., a) Roots absorb water and minerals from the soil., b) Stem holds the plant upright., c) Stems conduct water to the leaves., d) The number of petals and stamens in a flower may not always be, equal., e) If the sepals of a flower are joined together, its petals are separate., f) If the petals of a flower are joined together, then the pistil may or may, not be joined to the petal., 2. Draw (a) a leaf, (b) a taproot and (c) a flower, you have studied for, Table 7.3, a) Leaf, , b) tap root, , c)flower

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3. Can you find a plant in your house or in your neighborhood, which has, a long but weak stem? Write its name. In which category will you place, it?, ans) Yes, the lauki (gourd) plant needs support. I am a climber., 4. What is the function of a stem?, ans) Following are the functions of a stem, (a)Stem holds the plant upright., (b)Stems conduct water to the leaves., © Stems conduct food from leaves to other parts of the plant., 5. Which of the following leaves have reticulate venation?, Wheat, tulsi, maize, grass, coriander (dhania), China rose, ans) Tulsi, China rose and coriander have reticulate venation., 6. If a plant has fibrous roots, what type of venation do its leaves have?, ans) If a plant has fibrous roots, its leaves have parallel venation., 7. If a plant has leaves with reticulate venation, what kind of roots will it, have?, ans) If a plant has leaves with reticulate venation, it will have tap roots., 8. Is it possible for you to find out whether a plant has taproot or fibrous, roots by looking at the impression of its leaf on a sheet of paper?, ans)Yes it is possible to find whether a plant has taproot or fibrous roots, by looking at the impression of its leaf on a sheet of paper., 9. What are the parts of a flower?, ans), a) Sepals, b) Petals, c) Stamens, d) Pistil, 10. From the following plants, which of them have flowers?, Grass, maize, wheat, chilli, tomato, tulsi, peepal, shisham, banyan,, mango, jamun, guava, pomegranate, papaya, banana, lemon,, sugarcane, potato, groundnut, ans)The plants which have flowers are grass, maize, wheat, chilli,, tomato, tulsi, peepal, shisham, banyan (flowers lie inside its fruits),, mango, jamun, guava, Pomegranate, papaya, banana, lemon,, sugarcane, potato, groundnut, 11. Name the part of the plant which produces food. Name the process., ans) Leaves produce food through a process called Photosynthesis.

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12. In which part of a flower, you will find the ovary?, ans) Ovary is found in the lowermost and swollen part of the pistil., 13. Name two plants in which one has joined sepals and the other has, separate sepals., ans)Plants with joined sepals- Datura and cotton, Plants with separate sepals- Rose and Lotus