HARD
12th Gujarat Board
IMPORTANT
Earn 100

Where do the cleistogamous flowers are produced in Commelina?
(a)Aerial branch
(b)Underground Key
(c)Aerial stem
(d)Underground rhizome

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Important Questions on Sexual Reproduction in Flowering Plants
MEDIUM
12th Gujarat Board
IMPORTANT
Hard seed coat or other coverings may affect the seed germination and cause seed dormancy.

HARD
12th Gujarat Board
IMPORTANT
Describe the structure of ovule in plants.

HARD
12th Gujarat Board
IMPORTANT
Give the characteristics of anemophilous flowers.

MEDIUM
12th Gujarat Board
IMPORTANT
Select the correct option for the embryo sac of angiosperm plants.

MEDIUM
12th Gujarat Board
IMPORTANT
Explain the embryonic development in angiosperm plants. Draw a labelled diagram of the heart-shaped embryo.

EASY
12th Gujarat Board
IMPORTANT
Pollen grains are well-preserved as fossils because of the presence of _____.

EASY
12th Gujarat Board
IMPORTANT
A typical angiosperm embryo sac, at maturity, though _____ is _____.

EASY
12th Gujarat Board
IMPORTANT
Some seeds such as black pepper and beet, remnants nucellus persist is known as:
