EASY
12th ICSE
IMPORTANT
Earn 100

The outermost layer of maize endosperm is known as 

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Important Questions on Sexual Reproduction in Flowering Plants

EASY
12th ICSE
IMPORTANT
I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>COMPETITION CORNER>Q 19
Edible part in mango is
EASY
12th ICSE
IMPORTANT
I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>COMPETITION CORNER>Q 20

Through which cell of the embryo sac does the pollen tube enter the embryo sac ?

EASY
12th ICSE
IMPORTANT
I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>COMPETITION CORNER>Q 21
Which one of the following is surrounded by a callose wall?
EASY
12th ICSE
IMPORTANT
I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>COMPETITION CORNER>Q 22

Match the following ovular structure with post-fertilisation structure and select the correct alternative -

(A) Ovule 1. Endosperm
(B) Funiculus 2. Aril
(C) Nucellus 3. Seed
(D) Polar nuclei 4. Perisperm
EASY
12th ICSE
IMPORTANT
I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>COMPETITION CORNER>Q 23

The endosperm in angiosperms develops from

EASY
12th ICSE
IMPORTANT
I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>COMPETITION CORNER>Q 24

The fertilisation in which male gametes are carried through pollen tube is known as ?

EASY
12th ICSE
IMPORTANT
I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>COMPETITION CORNER>Q 25
Which of the following is resistant to enzyme action ?
EASY
12th ICSE
IMPORTANT
I.S.C BIOLOGY FOR'CLASS XII>Chapter 2 - Sexual Reproduction in Flowering Plants>COMPETITION CORNER>Q 26
Which one of the following pairs of plant structures has a haploid number of chromosomes?