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Practice each question, then open the answer or worked solution.
The stick which was stuck in the ground fell very easily. It was difficult to pull out a small grass. Why?
The roots of the grass were firmly holding the grass with soil, whereas the stick has no roots; hence, it is difficult to pull out small grass.
Do all plants have roots?
Yes, all plants have roots.
Look at some plants and trees around you. Imagine how deep and spread out the roots of these are.
The roots of plants are two inches to ten inches deep, while the roots of a tree are five feet to ten feet deep. Also, the roots of some trees go as deep as 50 feet into the earth.
After three days, Abdul saw that one broken part of the pea plant had dried. Guess which part would have dried up? Why?
The leaves of the broken part of the pea plant would have dried up. This is because the broken part of the plant did not get water and minerals from the soil.
Why do you think the neem tree did not fall despite the strong wind?
The roots of the neem tree are big, strong and deep, which anchors the tree strongly. Hence, this is the reason why the neem tree did not fall in spite of the strong wind.
On putting water in the soil where the plants are growing, the dropping leaves become fresh again. How?
The water from the soil is transported to the leaves and other parts by the roots. Due to this, dropping leaves become fresh again.
What do you feel, do all plants need water?
Yes, all plants need water.
Which of the plants around you need regular watering?
Flowering plants need regular watering.
What will happen if nobody gives water to these plants?
These plants will die if nobody gives water to them.
Abdul realised that he had never watered the huge neem tree. “Where did it get its water from?” he thought. Which of the plants around you do not need watering? Where do they get water from? Make two guesses.
This is because the roots of the neem tree go deep into the soil and suck water from the soil. Also, other big trees, like mango, banyan, etc., do not require us to water them.