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Assertion : Spirogyra shows haplontic life cycle.

Reason : Zygotic meiosis occurs in Spirogyra.

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Important Questions on Plant Kingdom

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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Which of the following pairs is of unicellular algae?
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta

Identify the figures given below marked as A, B, C, and D.

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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
An alga which can be employed as food for human beings:
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Acronematic flagella are seen in ___.
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Life cycle of Ectocarpus and Fucus respectively are:
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Phycoerythrin is the major pigment in:
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Which one of the following is wrong about Chara?
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Which of the following algae produce carrageen?
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Isogamous reproduction and flagellated gametes can be observed in
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Which one of the following statements is wrong?
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Find incorrect statements from the following.
A) The cell wall of Gracilaria has an outside gelatinous coating.
B) Dictyota has flagellated spermatium.
C) Hornworts show haplodiplontic life cycle.
D) Volvox zygote acts as a zoospore.
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Which of the following does not show diplontic life cycle?
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
The plant body having holdfast, stipe and frond is a characteristic of:
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Floridean starch has structure similar to
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Which of the following algae contains mannitol as reserve food material?
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Arrange the functions of the following respectively:
(A) Elaters
(B) Indusium
(C) Agar
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Choose the incorrect statements among the following.
A) The female sex organs of Angiosperms are called strobilus.
B) The fusion of motile male gamete with non-motile egg is called zooidogamy.
C) Some algae are in association with animals.
D) Archegonium is flank shaped male sex organ with single cell.
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
An example of colonial alga is
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta
Which one of the following statements is wrong?
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Biology>Diversity in The Living World>Plant Kingdom>Division Thallophyta

Based on the following characteristics of life cycles identify and arrange the plants respectively.

A) Haplontic i) Laminaria
B) Diplo-haplontic ii) Volvox
C) Haplo-diplontic iii) Polysiphonia
D) Diplobiontic iv) Salvinia
E) Diplontic v) Fucus