MEDIUM
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Assertion : Red algae contribute in producing coral reef.

Reason : Some red algae secrete and deposit calcium carbonate out their walls.

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Important Questions on Plant Kingdom

EASY
An alga which can be employed as food for human beings:
MEDIUM
Study the following table and pick up the correct combinations:
S.No Type of flagellum Type of flagellum Example
I Pantonematic One row Euglena
II Stichonematic Two rows Astasia
III Acronematic Absent Polytoma
IV Pantacronematic Two or more rows Urceolus
EASY
Which one of the following is wrong about Chara?
EASY
Isogamous reproduction and flagellated gametes can be observed in
EASY
In algae, vegetative reproduction mainly takes place by:
EASY
Which of the following pairs is of unicellular algae?
MEDIUM
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.
EASY
The plant body having holdfast, stipe and frond is a characteristic of:
MEDIUM
Which one of the following statements is wrong?
EASY
Which of the following algae contains mannitol as reserve food material?
EASY
Floridean starch has structure similar to
EASY
Which of the following algae produce carrageen?
MEDIUM
Identify the correct statement about algae and fungi:
EASY
In Oogamy, fertilization involves ________
MEDIUM
Assertion (A): In haplontic life cycle zygote acts as meiocyte.
Reason (R): In Spirogyra, non flagellated gametes will fuse to form zygote.
The correct option among the following is:
HARD

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

Question Image

EASY
Which one of the following statements is wrong?