Question

The foliage leaves in Pinus are:
(A) Lanceolate
(B) terete
(C) acicular
(D) spinous

Answer 1

The foliage leaves in Pinus are (C) acicular.

• Pinus belong to the gymnosperm in which the seed is not enclosed by fruit.
• Generally, two types of leaves are simple and compound but sometimes other types of leaves such as acicular, linear, lanceolate, orbicular, elliptical, oblique, centric cordate, etc. are also used to differentiate plants.
• Two types of leaf are found in pinus one is foliage and the other is scaly.
• In pinus foliage leaves are present and are generally 8 in number.

Answer 2

Solution:

The foliage leaves in Pinus are lanceolate.

Explanation:

• Pinus leaves are dimorphic in nature means they have two types of leaves that are foliage leaves for photosynthesis and scaly leaves for protection.
• The foliage leaves of pinus are green, needle-like, and acicular.
• These leaves are present only on dwarf shoots forming the spur.
• So option a is correct as the foliage leaves in pinus are lanceolate.