SSC MTS EXAM

SSC

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The central vein is also called ____
A
midbrib
B
margin
C
apex
D
base
Explanation: 

Detailed explanation-1: -The correct option is D midrib. Midrib is the thickest vein present in the middle of the leaf. It separates the lamina or leaf blade into 2 parts. Smaller veins are observed radiating from the midrib.

Detailed explanation-2: -The midrib is also called as midvein, where it contains the vascular bundles, such as xylem and the phloem, which helps in the transport of water, food, and the nutrients, apart from the midvein in the leaf, lateral veins are also present, which helpful for protection, and transport.

Detailed explanation-3: -1. A vascular tissue of the leaf which is located in the spongy layer of mesophyll is known as veins. A prominent line in the middle of the leaf or a thick line structure along the length of plant lamina is called as Midrib. 2.

Detailed explanation-4: -The midvein or primary vein is the main or central vein of a leaf from which arise the secondary or lateral veins. More frequently called midrib or stem of the leaf, especially when it is prominently raised or depressed, the midvein is the main or central vein of a leaf from which arise the secondary or lateral veins.

There is 1 question to complete.