NEET NCERT Biology Sexual Reproduction in Flowering Plants online test

Sexual Reproduction in Flowering Plants Mock Test-12

Question No:1

Zygote divides after formation of endosperm

(A) To provide assured nutrition to developing endosperm
(B) To provide assured nutrition to developing embryo
(C) None of them
(D) Both are correct



Question No:2

The development of embryo in both monocotyledons and dicotyledons

(A) Same
(B) Differ greatly
(C) Biennials in early staples of development
(D) Both (b) and (c)



Question No:3

Which of the following is correct?

(A) Proembryo —> Mature embryo —> Globular embryo
(B) Proembryo —>Globular embryo —> Mature embryo
(C) Globular embryo -> Proembryo -> Mature embryo
(D) Mature embryo —> Globular embryo —>Proembryo



Question No:4

The portion of embryo above the cotyledon is called _____ and below the cotyledon is called as _____

(A) Epicotyl, hypocotyl
(B) Hypocotyl, epicotyl
(C) Plumule, radical
(D) Radical and Plumule



Question No:5

Epicotyl terminates into

(A) Stem tip
(B) Root tip
(C) Plumule
(D) Both (a) and (c)



Question No:6

Hypocotyl terminates into

(A) Root tip
(B) Stem tip
(C) Plumule
(D) Both (a) and (c)



Question No:7

Embryo of monocotyledon posses only

(A) Two cotyledon
(B) One cotyledon
(C) Scutellum
(D) Both (b) and (c)



Question No:8

The root cap of monocot is covered in

(A) Coleoptile
(B) Coleorrhiza
(C) Root tip
(D) None of them



Question No:9

The leaf primordia enclosed in hollow foliar structure called as

(A) Coleoptile
(B) Coleorrhiza
(C) Root tip
(D) None of them



Question No:10

Assertion: Pollen grains are well preserved as fossils.
Reason: Pollen posses sporopollenin.

(A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
(B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
(C) If the assertion is true but the reason is false
(D) If both the assertion and reason are false



Question No:11

Assertion: Pollen tables used as food supplement.
Reason: Pollen grains are rich hi nutrient.

(A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
(B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
(C) If the assertion is true but the reason is false
(D) If both the assertion and reason are false



Question No:12

Assertion: Pollen tube enters the ovule through micropyle.
Reason: Pollen tube enters in one of synergids through filiform apparatus.

(A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
(B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
(C) If the assertion is true but the reason is false
(D) If both the assertion and reason are false



Question No:13

Assertion: Coconuts water is cellular endosperm.
Reason: White kernel of coconut is free nuclear endosperm.

(A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
(B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
(C) If the assertion is true but the reason is false
(D) If both the assertion and reason are false



Question No:14

Assertion: Most zygote divide only after certain amount of endosperm is formed.
Reason: This is an adaptation to provide assumed nutrition to the developing embryo.

(A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
(B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
(C) If the assertion is true but the reason is false
(D) If both the assertion and reason are false



Question No:15

Assertion: Embryos of monocotyledons posses only one cotyledon.
Reason: In the grass family the cotyledon is called scutellum.

(A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
(B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
(C) If the assertion is true but the reason is false
(D) If both the assertion and reason are false