EASY
Earn 100

In ____ the leaf base expands into a sheath covering the stem partially or wholly.

50% studentsanswered this correctly

Important Questions on Morphology and Modifications

EASY
Assertion (A): In Nepenthes leaves are modified to trap insects
Reason (R): Insectivorous plants trap insects for their nitrogen requirement
EASY
Which of the following is not a stem modification?
EASY

Consider the following morphological biochemical or physiological characteristics of plants.

i. Presence of hairy leaves ii. Production of more nectar is flower
iii.. High sugar content in plant parts iv. Presence of higher aspartic acid concentration.

Choose the correct combination of statements which give natural resistance to plants against insect pests:

MEDIUM
An insectivorous plant having glandular structures on its leaf secreting sticky fluid is
EASY
When the ovules are borne on central axis and septa are absent, as in Dianthus and Primrose the placentation is called _____.
EASY
Which of the following is the main adaptation for a plant to survive in xerophytic condition?
HARD
Match column I with column II and select the correct answer.
Column I Column II
A. Acacia 1. Phylloclade
B. Opuntia 2. Offset
C. Pineapple 3. Phyllode
D. Pistia 4. Sucker
MEDIUM
Whorled, simple leaves with reticulate venation are present in