Morphology of Flowering Plants - Online Test
Q1. Which part of the plant help to hold the blade to light?
Answer : Option B
Explaination / Solution:
Thepetiole help hold the blade to light. Long thin flexiblepetioles allow leaf blades to flutter in wind, therebycooling the leaf and bringing fresh air to leaf surface.
Q2. Which part of the plant store food in garlic?
Answer : Option C
Explaination / Solution:
The fleshy leaves of onion and garlic store food.
Q3. The correct arrangement of the zones as seen in the vertical section of root is
(i) Root hair zone
(ii) Zone of meristem
(iii) Root cap zone
(iv) Zone of maturation
(v) Zone of elongation
Answer : Option A
Explaination / Solution:
The correct arrangement of the zones as seen in the vertical section of root is root cap zone, region of meristematic activity, region of elongation, region of maturation and root hair region.
Q4. Phylloclade are
Answer : Option D
Explaination / Solution:
Phylloclade are green succulent stems of indefinite growth that perform thefunction of photosynthesis duet to presence of chlorophyll.
Q5. Select the insectivorous plant from the following.
Answer : Option B
Explaination / Solution:
Those plants that eats insect to fulfill its protein requirement are called insectivorous plants. They have modified leaves to capture insects. Drosera is an insectivoresous plant.
Q6. 120 0 1200 phyllotaxy occurs in
Answer : Option A
Explaination / Solution:
Phyllotaxy is the arrangement of leaves on a plant stem. 1200 phyllotaxy occurs in Tristichousarrangementin which three leaves are arranged at each node.
Q7. Parallel venation is present in
Answer : Option D
Explaination / Solution:
Parallel venation is the characteristic features of monocots. Dicots possesses reticulate venation. The arrangementof veins on leaf is called venation.
Q8. Which is not a function of leaves?
Answer : Option A
Explaination / Solution:
Leaves perform the function of photosynthesis, exchange of gases and transpiration to loose excess of water. Formation of new buds is not a function of leaves.
Q9. In Ocimum sanctum(tulsi), stem is
Answer : Option A
Explaination / Solution:
The stem of Oscimum sanctum or tulsi is quadrangular in shape. The stem is covered with hairy projection.
Q10. Bladders of Uricularia and Pitchers of Nepenthes are modification of
Answer : Option C
Explaination / Solution:
Bladders of Uricularia and Pitcher of Nepenthes are modification of leaves. They are modified to catch insects that is insectivorous plants.
