Huge trees like the mango tree, have what kind of roots?
Tap roots
Fibrous roots
A mixture of tap and fibrous roots
Aerial roots
Plant get water and minerals from the _________
soil
sunlight
stem
seeds
Many plants wilt in the summer time because they do not have enough:
flowers
water
heat
leaves
Which one of the following match is INCORRECT?
Roots - Absorb water and mineral salts.
Stem - Transports water and mineral salts to all parts of the plant.
Leaves - Absorb water from air.
Seeds - Grow into new plants.
Leaves are green due to the presence of a green pigment called chlorophyll. The main function of chlorophyll is:
to absorb carbon dioxide from the atmosphere
to absorb water and minerals from the soil
to give greenish colour to the leaves
to perform photosynthesis in the presence of sunlight
Which of the following is NOT needed for photosynthesis?
Iodine solution
Carbon dioxide
Chlorophyll
Water
The given figure is of a potted plant. Which of the following conditions may be responsible for such condition of the plant?
(i) No water
(ii) No light
(iii) No minerals
(iv) Attacked by diseases
(i) only
(i) and (ii)
(i), (ii) & (iii)
(i), (ii), (iii) & (iv)
Plants store extra food in the form of
oxygen
carbon dioxide
chlorophyll
starch
When your are eating sugarcane, you are actually eating the:
fruits of sugarcane
roots of sugarcane
stem of sugarcane
grains of sugarcane
A plant placed in a pot needs ___________ , _________ and _________ to grow.
water, wind, fertilizer
snow, rain, sunlight
water, sunlight, air
darkness, water, air
