Ans: Majority of pteridophytes are homosporous.All spores produced od similar type.
Example: Psilotum
Heterosporous pteridophytes produce macro and microspores. Example: Selaginella.
Why the sporophyte of gymnosperm is heterosporous? Answer : Ans: Sporophyte produces two types of spores like smaller micro spores and larger mega spores so it is heterosporous. ...
Which phase predominent in the life cycle of Pteridophytes? Answer : Ans: Diploid Sporophyte. ...
Distinguish between Green algae and brown algae. Answer : GREEN ALGAE BROWN ALGAE 1. Mostly fresh water. 1. Mostly marine. 2. Chlorophyll a and chlorophyll b present. 2. Chlorophyll a and chlorophyll c present. 3. Fucoxanthin ... present. 4. Reserve food material is starch. 4. Reserve food material is laminarin. ...
How would you distinguish Monocots from Dicots? Answer : MONOCOTS DICOTS 1. Fibrous root system. 2. Seeds with a single cotyledon. 3. Parallel Venation 4. Vascular bundles are scattered irregularly. 5. Cambium absent. 1. Tap root ... cotyledons 3. Reticulate Venation. 4. Vascular bundles are arranged in a ring. 5. Cambium present ...
Select the mismatch (1) Cycas – Dioecious (2) Salvinia – Heterosporous (3) Equisetum – Homosporous (4) Pinus – Dioecious Answer : (4) Pinus – Dioecious...
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