NCERT EVS for Class 4 Chapter 19 — Abdul in the Garden is designed by our subject-experts in a very simple and self-explanatory way. You can download the pdf format of the lesson from the website and revise it as many times as you want to. You can also reach our teachers to clarify your doubts and strengthen your concept.
NCERT EVS for Class 4 Chapter 19 – Abdul in the Garden teaches us about roots of the plants and trees. We all know that a plant’s body is divided into two main parts – the root and the shoot. In this lesson, we will discuss roots. Different plants have different kinds of roots.
Study Important Questions for Class 4 Science Chapter 19 – Abdul in the Garden
1. The stick which was stuck in the ground fell very easily. It was difficult to pull out the small grass. Why?
Ans: The roots of the grass held the soil securely in place, whereas the roots of the stick did not. As a result, it was difficult to take even small grass out of the ground, whereas the stick that was lodged in the earth fell relatively readily.
2. Do all plants have roots?
Ans: Yes, every plant has a root system.
3. Look at some plants and trees around you. Imagine how deep and spread out the roots of these are.
Ans: Small plants have roots that are two to ten inches deep in the earth, whereas trees have roots that are five to ten feet deep. Some plants have roots that extend up to 60 feet into the ground.
4. After three days, Abdul saw that one broken part of the pea plant had dried. Guess which part would have dried up? Why?
Ans: The plants didn’t acquire water or minerals from the earth. So the damaged branch and leaves would have dried up.
5. Why do you think the neem tree did not fall despite the strong wind?
Ans: Despite the high wind, the neem tree did not fall because its roots were securely planted in the ground and its stem was slightly flexible, bending slightly in the direction of the wind.
6. On putting water in the soil where the plants are growing, the dropping leaves become fresh again. How?
Ans: To create food and stay green, the leaves and other parts of the plant acquire water and minerals from the soil via the roots. As a result, when water is added to the soil where the plants are growing, the dropping leaves become fresh once more, as they have access to water and minerals to generate food.
7. What do you feel, do all plants need water?
Ans: Yes, all plants require water in some form or another.
8. Which of the plants around you need regular watering?
Ans: Regular watering is required for flowering plants such as rose and tomato plants.
9. What will happen, if nobody gives water to these plants?
Ans: If these plants are not given water, they will become dry and die within a few days.
10. Abdul realized that he 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.
Ans: Mango and banyan trees do not require regular watering. Through their deep roots, they obtain water from the groundwater accessible in the soil.
11. Abdul wondered whether radish was a root. Why did he think so?
Ans:
Abdul was unsure if radish was a root. He believed this because
- On the radish, he noticed root hairs.
- He noticed radish growing underground.
12. Look at the pictures below and find out which of these vegetables are roots
Ans:
Kohlrabi is not a vegetable root.
Cauliflower has fibrous roots.
Bottle Gourd has tap roots.
Carrot is a vegetable root.
Brinjal has fibrous roots.
Cabbage has fibrous roots. It is a vegetable root.
Beetroot is a root vegetable
Ridge Gourd has a tap root
Radish has tap root and it is a root vegetable
13. How deep must the roots of this plant be going?
Ans: This plant’s roots must reach a depth of 12-15 inches.
14. How do the roots get water?
Ans: Water is obtained by the roots from the moisture in the wall.
15. How big will this plant grow?
Ans: If given enough nutrition, this plant has the potential to develop to be quite large.
16. What will happen to the wall?
Ans: The wall will dry out and become fragile.
17. Can you give the name of the plant in the picture?
Ans: The plant in the picture is a peepal, as its leaves resemble peepal leaves.
18. Would someone have uprooted such a big tree or would it have fallen on its own?
Ans: No, I don’t believe such a large plant has been uprooted. It has fallen as a result of a powerful wind or a flood.
19. How old would this tree be?
Ans: The roots of this tree appear to be thick and deep, indicating that it is at least ten years old.
20. Abdul on seeing a tree surrounded by cemented ground, thought that how will it get rainwater?
Ans: Rain will fall due to the presence of subterranean water on the earth.
21. Which are the oldest trees in your area? Find out from your elders how old the trees are?
Ans: The oldest tree in my neighborhood is a banyan tree. This tree, according to my grandmother, is 70 years old.
22. Name animals who live on this tree.
Ans: This tree is home to a monkey, a sparrow, bees, and other birds and animals.
23. Have you ever seen any big tree that had fallen? What did you think when you saw it?
Ans: Yes, I saw a large tree fall in the village due to flooding. When I saw this, it made me sad because I used to mess around with it. As that massive tree fell due to the force of flood water, I was astounded as well.
24. Did you observe the seedlings as it looks on the fourth and the eight day? Draw the picture as it looks on the 4th and 8th day.
Ans:
25. What difference did you observe in the seeds after soaking? Compare with dry seeds and write.
Ans: After soaking in water, the seeds grew huge and velvety.
Difference between dry seeds and soaked seeds
| Dry seeds | Soaked seeds |
| Small | Large |
| Dry seeds did not swell and sprouted. | Seeds got swollen after soaking in water and sprouted after two days. |
| Moisture content is lower. | Moisture is more. |
26. What do you think would happen if the cotton wool had been left dry?
Ans: Seeds will not germinate if the cotton wool is dry, as they require moisture to germinate.
27. In which direction did the roots grow? And the stem?
Ans: The roots grow downward while the stem grows upward.
28. How big did the plant grow in the cotton wool?
Ans: In cotton wool, the plant reached a height of 6-7cm.
29. Did small plants come out from all the seeds?
Ans: No, not all the seeds sprouted into little plants.
30. What is the colour of the roots?
Ans: The roots are whitish brown in colour.
31. Did you see any hair on the roots?
Ans: Yes, hairs can be seen on the roots.
32. Try and pull out one little plant from the cotton wool. Were you able to pull it out? Why?
Ans: Yes, I was able to pull it out because the plant’s roots grip on cotton wool was weak while it was young.
33. Did you see how the roots grip the cotton wool? Do you think that the roots hold the soil in the same way? Also look at the plants grown by your friends.
Ans: The roots only had a shaky grasp on the cotton wool. Roots do hold the soil together in the same way that cotton wool does, but they do it more firmly.
34. Arif made a list of the following – Leaves, munna, bud, puppy, nails, fish. Roopali’s list had – Moon, tree, I, hair, watermelon, mosquito, crow. What do you think? Which of these things listed by Arif and Roopali grow?
Ans: All Arif and Roopali’s items are growing.
36. Has your height increased? How much taller have you grown in the last one year?
Ans: Yes, I’ve grown in stature. In the last year, I’ve grown 4 inches taller.
37. Imagine that you had never cut your nails! Draw a picture of your fingers in the notebook to show how they would have looked.
Ans:
38: What other part of your body (some people cut it regularly) keeps growing?
Ans: Hair is the other portion of my body that continues to develop.