HARD
Earn 100

How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (Oleander) have opposite phyllotaxy?

20% studentsanswered this correctly

Important Questions on Morphology and Modifications

MEDIUM
Match the following lists.
  List-I   List-II   List-III
A China Rose i Acropetal succession I Branched peduncle
B Colocasia ii Mesocarp is fleshy II Hypogynous
C Panicle iii Alternative phyllotaxy III Epigynous
D Cucumber iv Neuter flowers IV Corm

The correct match is:

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:

EASY
Which of the following is not a stem modification?
EASY
Assertion (A): In Nepenthes leaves are modified to trap insects
Reason (R): Insectivorous plants trap insects for their nitrogen requirement
MEDIUM
Match the following lists
  List-I   List-II
(A) Alstonia I Roots at lower nodes of the stem
(B) Anamus sativus II Leaflets are attached at a common point in the leaf
(C) Sugarcane III Swollen placenta
(D) Bombax ceiba IV More than two leaves at every node
    V Underground lateral branches producing
MEDIUM
Differentiate between:
Alternate and opposite arrangement of leaves.  
EASY

Mustard and sunflower have opposite arrangement of leaves.

HARD

A student observed 31 Quisqualis plants each with 36 nodes, 15 Hibiscus plants each with 21 nodes, and 77 Calotropis plants each with 11 nodes. All these plants contain leaves at every node.

What will be the total number of leaves of these three plants put together?

MEDIUM
Whorled, simple leaves with reticulate venation are present in
HARD
Explain with suitable examples of the different types of phyllotaxy.
MEDIUM
Which of the following plants shows alternate phyllotaxy?
MEDIUM

 A type of phyllotaxy in which more than two leaves develop from a node in the form of whorl is seen in