QUESTION 1-FILL IN
THE BLANKS.
1. FIBROUS Roots
do not have main root.
2. The arrangement of veins in the lamina of leaf is
called
VENATION.
3. PISTIL
is the female part of a flower.
4. Stem of a big tree is called TRUNK.
QUESTION 2-TRUE OR
FALSE.
1. Loss of water from the leaves of plant is called
transpiration. TRUE
2. Chlorophyll is responsible for green colour of
Leaves. TRUE
3. The part of stem between two nodes is called
Internode. TRUE
4. Stamen, is female reproductive part of a flower. False
QUESTION 3- MATCH
COLUMN A with COLUMN B
|
COLUMN
A |
COLUMN
B
|
|
A.ROOT |
a.
protect flower when it is in form of
bud.
|
|
B.CLIMBER |
b.
absorption of water.
|
|
C.GREEN
LEAVES |
c.
holds the plant upright.
|
|
D.STEM |
d.
money plant
|
ANSWER.
|
COLUMN
A |
COLUMN
B
|
|
A.ROOT |
b.
absorption of water
|
|
B.CLIMBER |
d.
money plant
|
|
C.GREEN
LEAVES |
a.
protect flower when it is in the form of bud.
|
|
D.STEM |
c.
holds the plant upright.
|
QUESTION 4.
CHOOSE THE CORRECT OPTION.
1. Plant of a
tree is called ………….
a. herb
b. shrub
c. tree
d. root
Answer. c ) tree
2.
Photosynthesis takes place in …………… of plants.
a. stem
b. root
c. stamen
d. leaves
Answer. d ) leaves
3. Part of stem
from where leaves grow is called…….
a. bud
b. nodes
c. axil
d. inter-node
Answer. b) nodes
4. Loss of
water from leaves of plant is called……….
a. absorption
b. photosynthesis
c. transpiration
d. suction
Answer. c )transpiration
QUESTION 5. Very
short answers type questions
Question 1.
Name the broad green part of a leaf?
Answer. Lamina or leaf blade.
Question 2.
What is venation? Write different types of Venation.
Answer. The arrangement of veins in the lamina or leaf
Blade is known as venation.
Types of venation are:
a) Reticulate venation
b)Parallel
venation.
Question 3.
What is Calyx?
Answer. The group of outer green leaves or sepals is
Called
Calyx.
QUESTION 6.SHORT
ANSWER TYPE QUESTION
QUESTION
1.Differentiate between tap root and fibrous Root?
Answer:
|
S.no. |
TAP
ROOT |
FIBROUS
ROOT
|
|
1. |
It
goes deep beneath the soil.
|
It
does not go deep in the soil.
|
|
2. |
It
has one main long root. |
It
does not have any main Root. |
|
3. |
Roots
are of different thickness.
|
Roots
are of same thickness.
|
|
4. |
Leaves
of plants with tap root have reticulate venation |
Leaves
of plants with fibrous root
have parallel venation |
QUESTION 2.
What are the main functions of leaves?
Answer. a) The leaves make food for the plants by the
process of photosynthesis.
b) The
leaves get rid of excess water from the plants through transpiration.
c) The
leaves exchange gases through stomata.
QUESTION 3
.What are the climbers? Give examples.
Answer. A plant having thin, long and weak stem which
cannot stand upright but readily climbs up a neighbouring support is called
climber.For example: money plant and grapes.
QUESTION 7.LONG
ANSWERS TYPE QUESTIONS
QUESTION 1.
What are the different parts of a leaf? Explain with the help of a diagram?
Answer. The different parts of a leaf are
1. Petiole
2. Lamina 3.Midrib 4.Veins etc.
QUESTION 2.Draw
a well labelled diagram of flower and explain its main parts.
Answer. Flower is the reproductive part of a plant.
Its main parts are (1) SEPALS (2) PETALS (3) STAMEN (4) PISTIL
(1) SEPALS:
sepals protect the flower when it is in the form of a bud.
(2) PETALS:
Different colour and scent of petals attract insects, butterflies etc. for
pollination.
(3) STAMEN:
Stamen is the male part of a flower. Its main parts are filament and anther. It
produces pollen grains.
(4)PISTIL:
Pistil is the female part of a flower. Its parts are style, stigma and ovary.
