Which of the following is not a stem modification?
Pitcher of
Thorns of citrus
Tendrils of cucumber
Flattened structures of
Related Questions
Which function is NOT typically associated with a stem modification?
Food storage
Support
Vegetative propagation
Absorption of nutrients from the soil
Which of the following is not a stem modification?
Pitcher of
Thorns of citrus
Tendrils of cucumber
Flattened structures of
Leaf base expands into sheath covering the stem partially or wholly. This is the characteristic of
Dicot
Monocot
Pteridophytes
Gymnosperm
Study the following statements and choose the correct option I.Buds are present in the axil of leaflets of the compound leaf II.Pulvinus leaf-base is present in some leguminous plants. III.In Alstonia, the petioles expand, become green and synthesize food IV.Opposite phyllotaxy is seen in guava
I, II and III are correct
II, III and IV are correct
I and II are correct
All statements are correct
Which tissue layer is responsible for the transport of organic materials synthesized in the leaf?
Xylem
Phloem
Palisade parenchyma
Spongy parenchyma
Wringed petioles are characteristic of
Polygonum
Citrus
Neem
Banana
Leaf having completely divided lamina broken up into direct segment or leaflets is called
Petiole
Phyllotaxy
Compound leaf
Simple leaf
A Vascular has 300 leaves. 15 % of these belong to mustard 20 % to Calotropis 10 % Guava, 15 % to sunflower and the remaining to Alstonia, if 6 leaves are present at each node of alstonia. Then what is the total number of nodes seen in various twigs present in vasculum?
18
20
22
24
Main axis continues to grow, the flowers are borne laterally in acropetal succession. This is a characteristic of which type of inflorescence?
Cymose
Racemose
Either (1) or (2)
Both (1) and (2)
Pattern of arrangement of leaves on the stem or branches is called
Phyllotaxy
Petiole
Stipule
Both (a) and (b)
