This is a genuine image of a cross section of grass leaf under a microscope. No part of the leaf is "smiling" in any literal sense, of course, but the round features known as "vascular bundles" do ...

Veins on monocots either run down the entire length of the leaf or run parallel away from the mid-rib. Veins on dicot leaves radiate out from a central rib and branch and re-branch.

A scanning electron microscope reveals nematodes (highlighted in green) inside the spongy mesophyll of a European beech (Fagus sylvatica) leaf infected with beech leaf disease (BLD). Eggs are ...

Download CBSE Class 11 Biology Practical Syllabus 2022-2023 in PDF. Go through the syllabus to know the evaluation scheme for the annual exam and list of experiments to be performed in the 2022 ...