Science
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Chapter 7: Diversity in Living Organisms
Class: IX
Exercise number 88
Question 1
Which division among plants has the simplest organisms?
Answer 1
Thallophyta
Question 2
How are pteridophytes different from the phanerogams?
Answer 2
In pteridophytes, the reproductive organs are hidden and they do not produce seeds.
In phaenrogams, the reproductive organs are conspicuous and they produce seeds.
Question 3
How do gymnosperms and angiosperms differ from each other?
Answer 3
Seeds are naked in gymnosperms, while they are covered in angiosperms. Gymnosperms do not bear flowers, while angiosperms bear flowers.
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