Updated By SaraNextGen
On March 11, 2024, 11:35 AM
Page No 88: - Chapter 7 Diversity In Living Organisms class 9 ncert solutions Science - SaraNextGen [2024]
Question 1:
Which division among plants has the simplest organisms?
Answer:
Thallophyta is the division of plants that has the simplest organisms. This group includes plants, which do not contain a well differentiated plant body. Their body is not differentiated into roots, stems, and leaves. They are commonly known as algae.
Question 2:
How are pteridophytes different from the phanerogams?
Answer:
|
Pteridophyta |
Phanerogams |
|
They have inconspicuous or less differentiated reproductive organs. |
They have well developed reproductive organs. |
|
They produce naked embryos called spores. |
They produce seeds. |
|
Ferns, Marsilea, Equisetum, etc. are examples of pteridophyta. |
Pinus, Cycas, fir, etc. are examples of phanerogams. |
Question 3:
How do gymnosperms and angiosperms differ from each other?
Answer:
|
Gymnosperm |
Angiosperm |
|
They are non-flowering plants. |
They are flowering plants. |
|
Naked seeds not enclosed inside fruits are produced. |
Seeds are enclosed inside fruits. |
|
Pinus, Cedar, fir, Cycas, etc. are some examples of gymnosperms. |
Coconut, palm, mango, etc. are some examples of angiosperms. |
Also Read : Page-No-94:-Chapter-7-Diversity-In-Living-Organisms-class-9-ncert-solutions-Science
