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What is the definition of cotyledon?

Important Questions on Diversity In Living Organisms

EASY
Which of the following is monocotyledon?
EASY
Which of the following group of plants are also called as naked seeded plants
EASY
Trees of the genus Pinus are placed in higher groups compared to those of Marsilea genus because of the presence of one of the following features.
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Answer the following questions in your own words.

Distinguish between monocots and dicots.

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Kevin found out needle-like leaves in 
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The plants which have naked seeds belong to the group:
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Give differences between monocotyledons and dicotyledons.
EASY
Which among the following produce seeds?
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What are phanerogams? Name their types and write the characteristic features of each.
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Answer the following questions in your own words.

Write the characteristics of subkingdom Phanerogams.


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The following figure represents :

Question Image

EASY
You are provided with the seeds of gram, wheat, rice, pumpkin, maize and pea. Classify them whether they are monocot or dicot.
HARD
Thallophyta, Bryophyta, and Pteridophyta are called as 'Cryptogams'. Gymnosperms and angiosperms are called 'phanerogams'. Discuss why. Draw one example of gymnosperm.
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How do gymnosperms and angiosperms differ from each other?
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Gymnosperms differ from angiosperms in having covered seed.
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Define cotyledon, embryo, seed and fruit.
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Match the following.

Sl.no Column A Sl.no Column B
(a) Naked seed (i) Angiosperm
(b) Covered seed (ii) Gymnosperm
(c) Flagella (iii) Bryophytes
(d) Marchantia (iv) Euglena
(e) Marsilea (v) Thallophyta
(f) Cladophora (vi) Pteridophyta
(g) Penicillium (vii) Fungi