Medium level questions
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Plant Kingdom

- Attempt the middle level questions to practice and be exam ready
1
Assertion : Megaspore mother cell undergoes meiotic division.

Reason : All four megaspres form female gametophyte.
A
Both assertion and reason are true and reason is a correct explanation of the assertion.
B
Both assertion and reason are true but reason is not a correct explanation of the assertion.
C
Assertion is true but Reason is false
D
Both Assertion and Reason are false
E
Assertion is false but Reason is true
Assertion
Water is not required for fertilization process in ferns.
Reason
Malic acid of Archegonial neck attracts antherozoids.
A
Both the assertion and the reason are true and the reason is a correct explanation of the assertion.
B
Both the assertion and reason are true but the reason is not a correct explanation of the assertion.
C
The assertion is true but the reason is false.
D
The assertion is false and the reason is true.
Which of the following correctly represents the type of life cycle patterns from the options given?
A
1. Diplontic, 2. Haplodiplontic, 3. Haplontic
B
1. Haplodiplontic, 2. Haplontic, 3. Diplontic
C
1. Haplontic, 2. Diplontic, 3. Haplodiplontic
D
1. Diplontic, 2. Haplontic, 3. Haplodiplontic
E
1. Haplontic, 2. Haplodiplontic, 3. Diplontic
Which one of the following is considered important in the development of seed habit?
A
Dependent sporophyte
B
Heterospory
C
Haplontic life cycle
D
Free-living gametophyte
Consider the following four statements and find out which of them are wrong.
(A) The sporophyte in liverworts is more elaborate than that in mosses.
(B) Salvinia is heterosporous.
(C) The life-cycle of all seed-bearing plants is diplontic.
(D) In pinus, male and female cones are borne on different trees.
A
Statements (A) and (C)
B
Statements (A) and (D)
C
Statements (B) and (C)
D
Statements (A) and (B)
Bryophytes have a life cycle, with alternation of a haploid, sexual generation with a diploid, asexual generation. Unlike vascular plants, in bryophytes, the _______ is usually longer or of similar duration as the _______.
Which of the following remained unchanged for last many million years?
A
Pinus
B
Rice
C
Acacia
D
Ginkgo
Which of the following statement is not a difference between monocots and dicots?
A
Dicot seeds have two cotyledons and monocot seeds have only one cotyledon.
B
Dicots show tap root system and monocots show fibrous root system.
C
In dicots, the flowers are unisexual and in monocots flowers are bisexual.
D
Dicot leaves show reticulate venation and monocot leaves show parallel venation.
Largest ovules and male gametes are found in:
A
Monocots
B
Dicots
C
Both 1 and 2
D
Gymnosperms
Give information about reproduction of gymnosperms?