Home
Class 11
BIOLOGY
Leaf blade is spinous in case of...

Leaf blade is spinous in case of

A

Nerium

B

Zizipus

C

Argemone

D

Cannabis

Text Solution

Verified by Experts

The correct Answer is:
C
In some plants leaves are modified into pointed spines which are known as leaf spines. These protect the plant from grazing animals and reduce the rate of transpiration in xerophytic plants.
Promotional Banner

Topper's Solved these Questions

  • MORPHOLOGY OF ANIMALS

    ERRORLESS |Exercise Morphology Of Animals|134 Videos

  • NEURAL CONTROL AND COORDINATION

    ERRORLESS |Exercise Neural Control And Coordination|445 Videos

Similar Questions

Explore conceptually related problems

[A] : Leaf base is the point of attachment of leaf to stem . [R] : Entire leaf axis is called anisophylly .

Vein provide (a)____ to the leaf blade and act as channels of (b)_____

The probability of a razor blade to be defective is 0.002, the blades are in packet of 10. The number of packets containing no defective blades in a stock of 10000 packets is (A) 2000 (B) 9802 (C) 9950 (D) 8000

Strong wind can turn the blades of a wind mill because it possesses

The blades of a wind mill sweep out a circle of area A. If wind flows with velocity v perpendicular to blades of wind mill and its density is p , then the mechanical power received by wind mill is

A steel blade placed gently on the surface of water floats on it. If the same blade is kept well inside the water, it sinks. Explain. 8. When some wax is rubbed on a cloth, it becomes waterproof. Explain.

The structure which holds the leaf blades and help to flutter in wind known as a ................

Select the CORRECT statements from the following : (P) In monocots , leaf base expands into sheath covering the stem partially or wholly (Q) In all leguminous plants, the leaf base may become swollen , which is called the pulvinus (R) The lamina or leaf blade bis green expanded part of the leaf with vein and veinlets (S) veins provide rigidity to leaf blade