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Test: Roots, Stems and Leaves - 1 - NEET MCQ


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10 Questions MCQ Test Biology Class 11 - Test: Roots, Stems and Leaves - 1

Test: Roots, Stems and Leaves - 1 for NEET 2025 is part of Biology Class 11 preparation. The Test: Roots, Stems and Leaves - 1 questions and answers have been prepared according to the NEET exam syllabus.The Test: Roots, Stems and Leaves - 1 MCQs are made for NEET 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Roots, Stems and Leaves - 1 below.
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Test: Roots, Stems and Leaves - 1 - Question 1

Which among the following is incorrect about different parts of the leaf?

Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 1
  • Lamina contains veins and veinlets that transmit water to different regions of the leaf.
  • Petiole is flexible thin structure that helps in fluttering of leaves in the air.
  • Based on the presence or absence of petiole, plants are classified into petiolate and sessile respectively.
  • Since petiole is absent in grass, it is considered to be sessile.
  • Legumes have a swollen leaf base called Pulvinus.
Test: Roots, Stems and Leaves - 1 - Question 2

Stem develops from ______.

Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 2

The stem is the ascending part of the axis bearing branches, leaves, flowers and fruits. It develops from the plumule of the embryo of a germinating seed. It bears nodes and internodes.
Plumule is the future shoot of a plant, as radicle is the future root of the plant.


Hence, the correct option is A.

NCERT Reference: Topic “THE STEM” of chapter Morphology of Flowering Plants 
NCERT Line: The stem is the ascending part of the axis bearing branches, leaves, flowers, and fruits. It develops from the plumule of the embryo of a germinating seed.

Test: Roots, Stems and Leaves - 1 - Question 3

Water is absorbed by ______.

Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 3

Root hairs in plants have a large surface area and are surrounded by water, soil and nutrients and due to large surface area root hairs absorb water for the growth of plants.

Hence, the correct option is A.
NCERT Reference: Topic “Regions of the Root” of chapter Morphology of Flowering Plants.
NCERT Line: These root hairs absorb water and minerals from the soil.

Test: Roots, Stems and Leaves - 1 - Question 4

Which type of venation is characteristic of most monocotyledonous plants?

Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 4
  • The characteristic type of venation in most monocotyledonous plants is "parallel venation."
  • In this pattern, veins run parallel to each other within the leaf lamina.

Hence the correct option is " C " 
NCERT Reference: Topic -  "Venation "Morphology of Flowering Plants" of NCERT.
NCERT Line: When the veins run parallel to each other within a lamina, the venation is termed as parallel. Leaves of dicotyledonous plants generally possess reticulate venation, while parallel venation is characteristic of most monocotyledons.

Test: Roots, Stems and Leaves - 1 - Question 5

Broad part of leaf is:

Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 5
  • The Blade, or lamina, is the broad, flat part of the leaf. Photosynthesis occurs in the blade, which has many green food-making cells.
  • The leaf is attached to the stem by the leaf base and may bear two lateral small leaf-like structures called stipules.
  • The petiole helps hold the blade to light. Long thin flexible petioles allow leaf blades to flutter in the wind, thereby cooling the leaf and bringing fresh air to the leaf surface. 

Hence, the correct option is C.
NCERT Reference: Topic “THE LEAF” of chapter Morphology of Flowering Plants.
NCERT Line: The lamina or the leaf blade is the green expanded part of the leaf with veins and veinlets. 

Test: Roots, Stems and Leaves - 1 - Question 6
Which type of phyllotaxy is found in mustard plants?
Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 6
In alternate phyllotaxy, a single leaf arises at each node in an alternate manner. Mustard, along with china rose and sunflower, shows this arrangement.
Test: Roots, Stems and Leaves - 1 - Question 7
In which type of inflorescence does the main axis terminate in a flower?
Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 7
In cymose inflorescence, the main axis terminates in a flower, making it limited in growth, and flowers are borne in a basipetal order.
Test: Roots, Stems and Leaves - 1 - Question 8
Reticulate venation is a characteristic feature of:
Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 8
Dicotyledonous plants generally possess reticulate venation, where veinlets form a network in the lamina.
Test: Roots, Stems and Leaves - 1 - Question 9
In palmately compound leaves:
Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 9
In palmately compound leaves, the leaflets are attached at a common point at the tip of the petiole, as in silk cotton.
Test: Roots, Stems and Leaves - 1 - Question 10
In racemose inflorescence, flowers are borne in which sequence?
Detailed Solution for Test: Roots, Stems and Leaves - 1 - Question 10
In racemose inflorescence, the main axis continues to grow, and flowers are borne laterally in an acropetal succession, meaning the oldest flowers are at the base and younger ones towards the apex.
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