EASY
Earn 100

Thorns in Citrus and Bougainvillea are

50% studentsanswered this correctly

Important Questions on Morphology of Flowering Plants

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:

HARD
Choose correct statements
I) Trap leaves supply nitrogen to Nepenthes plant
II) Grape vines differ from watermelon by having tendrils developed from axillary bud
III) Balancing roots of Eichornia arise from horizontally growing lateral branches
IV) Gall flowers of Ficus store eggs of Blastophaga
EASY
Which of the following statements are correct about all the four types of modifications: potato, ginger, carrot and sweet potato?
EASY
In Bougainvillea, thorns are the modifications of:
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
Assertion (A): In Nepenthes leaves are modified to trap insects
Reason (R): Insectivorous plants trap insects for their nitrogen requirement
EASY

Identify the vegetative propagule 'M' in the following diagram:

Question Image

EASY
In watermelon the spirally coiled stem modifications which help in climbing are developed from
MEDIUM
Which one of the following statements is not correct?
EASY
Stems modified into flat green organs performing the functions of leaves are known as:
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
HARD
Explain with suitable examples of the different types of phyllotaxy.