CBSE-2019

Author:Embibe Experts

Embibe Experts Biology Solutions for Exercise - CBSE-2019

Simple step-by-step solutions to CBSE-2019 questions of Sexual Reproduction in Flowering Plants from EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from CBSE-2019 with Hints & Solutions

HARD
12th CBSE
IMPORTANT

Explain the events up to double fertilization after the pollen tube enters one of the synergids in an ovule of an angiosperm.

HARD
12th CBSE
IMPORTANT

When and where do tapetum and synergids develop in flowering plants? Mention their function.

EASY
12th CBSE
IMPORTANT

Where are the germ pore present in the male gametophyte of an angiosperm? Mention the function of it.

MEDIUM
12th CBSE
IMPORTANT

Where are the sporopollenin present in the male gametophyte of an angiosperm? Mention the function of it.

EASY
12th CBSE
IMPORTANT

Where are the generative cell present in the male gametophyte of an angiosperm? Mention the function of it.

HARD
12th CBSE
IMPORTANT

Draw a schematic transverse section of a mature anther of an angiosperm. Label its epidermis, middle layers, tapetum, endothecium, sporogenous tissue and the connective.

HARD
12th CBSE
IMPORTANT

Differentiate between wind pollinated and insect pollinated flowers.