Key words –
1. Nutrients
2. Tap root
3. Fibrous root
4. Soil erosion
5. Shoot
6. Petiole
7. Lamina
8. Edible
9. Transpiration
A. Choose the correct answers,
1. - Which of the following anchors the plants firmly to the soil
?
correct answers - Root
2. – The flat part of the leaf is
called _______.
correct answers - lamina
3. – A ______ is the most colourful
and attractive part of a plant.
correct answers – flower
4. – A mango has ________ seed/ (s).
correct answers - one
5. – The development of a plant from a seed is called _______.
correct answers – germination
B. Answer the following
in one word.
1. A green-coloured
substance present in leaf is called.
2. _______ forms the main
part of the shoot system.
3. Fruits contain ______.
4. The flat part of the leaf is called ______.
5. _______ carries water and nutrients from the roots to the
leaves.
C. – Math the following.
D. Answer the following question –
Q.1 How do roots help a
plant? Name two roots that store foods.
Ans. – Roots help the plants in the following ways –
1. They anchor the plants by firmly fixing them to the soil.
2. They enable plants to absorb water, nutrients and minerals
from the soil.
Two roots are –
(1) Carrot (2) Radish
Q.2 Name the things
needed by a plant to make food.
Ans. – Air, Water and sunlight are required by a plant to make
food.
Q.3 Why are leaves called
the ‘food factory’ of a plants?
Ans. – Leaves are able to make for the plant in the presence of
air, water and sunlight by a process called photosynthesis. Therefore leaves
are called the food factory of a plant.
Q.4 What is germination? What does a seed require to germinate?
Ans. – The process by which a new plant develops from a seed is
called germination.
The conditions required for the growth of a seed are –
(1) water (2)
sunlight (3) nutrients
Q.5 In the following
diagram, name the different parts of a plant along with their one major
function.
Ans. –