1. What are the function of main parts of the plants?
View AnswerAns. Functions of main parts of the plant are: –
i) Root – It fixes the plant in the soil.
ii) Stem – It carries all the other parts of the shoot.
iii) Leaf – It makes food for the plant
iv) Flower – It grows into a fruit.
v) Fruit – It stores seeds
2. Write any three features of trees.
View AnswerAns. Features of trees are: –
i) Trees are big plants
ii) Trees stem is woody and strong. It is also known as Trunk
iii) Tree live for several years.
3. Compare features of trees, shrubs and herbs.
View AnswerAns.
TREES | SHRUBS | HERBS | |
STEM | Big strong and woody | Woody but not as strong | Thin green stem |
HEIGHT | Very tall | Medium | Small |
LIFESPAN | Many years | Few years | One or two seasons |
EXAMPLE | Coconut trees, Mango trees | Rose, Cotton, Mehendi | Wheat, rice, tomato |
4. State the function of a leaf.
View AnswerAns. Function of leaf is to make food for the plants.
5. Write the role of the roots of a tree.
View AnswerAns. Role of roots of a tree are –
i) To fix the plants in the soil.
ii) To absorb water from deeper parts of the soil.
6. Write the difference between tomato plants and grass.
View AnswerTOMATO PLANTS | GRASS |
1. Tomato plants is a herb | 1. Grass is a creeper |
2. Tomato plants bears flower and fruits | 2. Grass does not bear flower and fruit. |
7. Why do some plants creep on the ground?
View AnswerAns. Some plants creep on the ground because their stem is thin and weak.
8. What type of stem do climbers have?
View AnswerAns. Climbers have very weak and thin stems.
9. State the difference between the stem of a shrub and a herb.
View AnswerAns.
SHRUBS | HERBS |
1. Woody but not as strong | 1. Thin green stem |
10. Example of :-
i) TREES – Banyan, peepal, neem, mango, cocount
ii) SHRUBS – Rose, bougainvillea, cotton, china rose, mehendi
iii) HERBS – Wheat, rice, sunflower, tomato, mint, ladyfinger
iv) CLIMBERS – Peas, grapes, money plant
v) CREEPERS – Watermelon, pumpkin, cucumber, bittergourd, muskmelon, grass.
11. The green substance present in the leaf is called _____________
View AnswerAns. The green substance present in the leaf is called chlorophyll
12. ___________ are plants with multiple stem.
View AnswerAns. Shrubs are plants with multiple stem.
13. Based on the classification of plants, how is Banyan different from Rose and Mint. Write 3 points of difference.
View AnswerBanyan | Rose | Mint |
1. It is a tree | 1. It is a shrub | 1. It is a herb |
2. They live for several years | 2. They live for few years | 2. They live for one or two seasons |
3. Their stem is strong and woody. | 3. Their stem is woody but not as strong | 3. They have thin green stem |
14. Identify the part of the plant that –
a) Fixes the plant in the soil – Root
b) Makes food for the plant – Leaf
c) Stores seeds – Fruit
15. Stem carries all the parts of the shoot in a plant.
16. Mango tree and banyan tree are examples of trees.
17. Rewrite the incorrect statements correctly.
a) Herbs live for few years only.
View AnswerAns. Herbs live for one or two seasons only.
b) Flower makes food for the plant.
View AnswerAns. Leaf makes food for the plant.
c) Climbers spread their branches on the ground itself.
View AnswerAns. Creepers spread their branches on the ground itself.
d) Pumpkin is an example of herb.
View AnswerAns. Pumpkin is an example of creeper.
e) The strong woody stem of a tree is called the shoot.
View AnswerAns. The strong woody stem of a tree is called the trunk.