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Class XI Biology Plant Kingdom 2

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Question 1

When the sperms of Funaria and Pteris are put together near the archegonia of Pteris, only the sperms of Pteris readily enter the archegonia and reach the egg. The reason being that

Question 2

In Selaginella, glossopodium is found in

Question 3

According to Ostwald tippo, angiosperms are classified under the phylum

Question 4

Heterospory and seed habit are often exhibited by a plant possessing

Question 5

Pteridophytes differ from bryophytes in:

Question 6

Meiosis (reduction division) in pteridophytes takes place at the time of

Question 7

Winged pollen grain is the characteristic feature of

Question 8

A typical gymnospermous plant has 8 chromosomes in leaf cells. What will be number of chromosomes in the cells of its gametophyte?

Question 9

A: Flagella found in blue-green algae are of tinsel type.
R: Flagella in Blue-green algae have a smooth surface and are called whiplash.

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Sep 20NEET & AIIMS