Question No : 15
In which of the following plants, a slender lateral branch arises from the base of the main axis and after growing aerially arch downwards to touch the ground?
Question No : 16
A branch in which each node bearing a rossette of leaves and a tuft of roots is found in aquatic plants like _________ and _________.
Question No : 17
Which of the following is a modified stem for the protection of plants from browsing animals?
Question No : 18
Which of the following is the green expanded part of leaf with vein and veinlets?
Question No : 19
Leaves of dicotyledonous plants possess _________ venation, while _________ venation is the characteristic of most monocotyledons.
Question No : 20
Which of the following is an example of pinnately compound leaf ?
Question No : 21
The main purpose of phyllotaxy for the leaves is to provide sufficient_______.