Recent questions

by anonymous asked Apr 2, 2021 0 views

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 ...

by anonymous asked Apr 2, 2021 0 views

Distinguish between homosporous and heterosporous condition in pteridophytes. 
Answer : Ans: Majority of pteridophytes are homosporous.All spores produced od similar type. Example: Psilotum Heterosporous pteridophytes produce macro and microspores. Example: Selaginella.  ...

by anonymous asked Apr 2, 2021 0 views

Distingush between Brown algae and red algae.  
Answer : BROWN ALGAE  RED ALGAE  1. Chlorophyll a and chlorophyll c is present.   1. Chlorophyll a and chlorophyll d is present. 2. Fucoxanthin is present  2. Fucoxanthin is ... Reserve food material is mannitol and laminarin.   4. Reserve food material is floridean starch.   ...

by anonymous asked Apr 2, 2021 0 views

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.  ...

by anonymous asked Apr 2, 2021 0 views

What are epiphytes? 
Answer : Ans: Plants that grow upon other plants are called Epiphytes. ...

by anonymous asked Apr 2, 2021 0 views

What is a sporophyte? 
Answer : Ans: It is a plant body which produces spores. ...

by anonymous asked Apr 2, 2021 0 views

What is a gametophyte? 
Answer : Ans: It is a plant body which produces male and female gametes. ...

by anonymous asked Apr 2, 2021 0 views

Give one example of Lycopsida. 
Answer : Ans: Lycopodium. ...

by anonymous asked Apr 2, 2021 1 view

Why bryophytes are called non vascular Cryptogams? 
Answer : Ans: Bryophytes do not contain Xylem and phloem tissues so they are non vascular and do not produce visible flowers. So they are Cryptogams....

by anonymous asked Apr 2, 2021 0 views

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.  ...

by anonymous asked Apr 2, 2021 0 views

 Name the organ that fixes the plant body of Riccia to the soil.  
Answer : Ans: Rhizoid.  ...

by anonymous asked Apr 2, 2021 0 views

Name the class to which Riccia belongs.  
Answer : Ans: Hepaticopsida. ...

by anonymous asked Apr 2, 2021 0 views

Name a parasitic angiosperm.  
Answer : Ans: Cuscuta. ...

by anonymous asked Apr 2, 2021 0 views

Name a gymnosperm with vessels in the Xylem. 
Answer : Ans: Gnetum. ...

by anonymous asked Apr 2, 2021 0 views

What does Embryophyta Siphonogama refer to? 
Answer : Ans: Embryo producing plants where pollen tube carries male gametes....

by anonymous asked Apr 2, 2021 0 views

Which group of plants have seeds, but no fruits?
Answer : Ans: Gymnosperms. ...

by anonymous asked Apr 2, 2021 0 views

Which phase predominent in the life cycle of Pteridophytes?
Answer : Ans: Diploid Sporophyte. ...

by anonymous asked Apr 2, 2021 0 views

What are Cryptogams? 
Answer : Ans: Plants in which reproductive structures are embedded in the plant body and do not bear flowers or seeds. ...

by anonymous asked Apr 2, 2021 0 views

Which phase is predominent in the life cycle of bryophyte? 
Answer : Ans: Gametophyte. ...

by anonymous asked Apr 2, 2021 0 views

What is Thallus? 
Answer : Ans: Dorsiventrally flattened plant body without root stem and leaf differentiation is called Thallus. ...