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Morphology of Flowering Plants MCQs
Class XI Biology
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NCERT Based
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NEET Practice
📘 Concept Based
📝 Exam Level
🤖 AI Explanations
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300 questions in this chapter
Question 31 of 300
📘 CLASS XI
The leaf is a lateral, generally flattened structure that develops at the _____ and bears a bud in its _____.
The leaf is a lateral, generally flattened structure borne on the stem. It develops at the node and bears a bud in its axil.
Question 32 of 300
📘 CLASS XI
The axillary bud present in the axil of a leaf later develops into a:
The axillary bud later develops into a branch.
Question 33 of 300
📘 CLASS XI
Leaves originate from _______ and are arranged in an _______ order.
Leaves originate from shoot apical meristems and are arranged in an acropetal order.
Question 34 of 300
📘 CLASS XI
What are the three main parts of a typical leaf?
A typical leaf consists of three main parts: leaf base, petiole and lamina.
Question 35 of 300
📘 CLASS XI
The lateral small leaf-like structures that may be borne at the leaf base are called:
The leaf is attached to the stem by the leaf base and may bear two lateral small leaf-like structures called stipules.
Question 36 of 300
📘 CLASS XI
In which plants does the leaf base expand into a sheath covering the stem partially or wholly?
In monocotyledons, the leaf base expands into a sheath covering the stem partially or wholly.
Question 37 of 300
📘 CLASS XI
In some leguminous plants, the swollen leaf base is called the:
In some leguminous plants the leafbase may become swollen, which is called the pulvinus.
Question 38 of 300
📘 CLASS XI
What structural role does the long, thin, flexible petiole play in a leaf?
Long thin flexible petioles allow leaf blades to flutter in wind, thereby cooling the leaf and bringing fresh air to leaf surface.
Question 39 of 300
📘 CLASS XI
Which part of the leaf is the green expanded portion containing veins and veinlets?
The lamina or the leaf blade is the green expanded part of the leaf with veins and veinlets.
Question 40 of 300
📘 CLASS XI
What is the primary middle prominent vein of the leaf lamina known as?
There is, usually, a middle prominent vein, which is known as the midrib.
