NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Priyanshi
Subject: Biology
, asked on 28/7/17
Largest sized ovule and largest male gamate are produced by
A) Pinus
B) Cycas
C) Ephedra
D) Gnetum
Answer
1
Priyanshi
Subject: Biology
, asked on 28/7/17
Gymnosperms differ from angiosperms as they produce
A) vessels in xylem elements
B) Archegonia in ovules
C) Pollen tubes for carrying male gamates
D) None of these
Plz ans by giving reason
Answer
1
Naga Nandhini
Subject: Biology
, asked on 23/7/17
Name and explain two stages of mosses
Answer
1
Maitri C Trivedi
Subject: Biology
, asked on 10/7/17
in bryophytes,
1. anthredium produces ....
2. archegonium produces....
Answer
1
Shlok Singh Raghav
Subject: Biology
, asked on 2/7/17
plz tell how to make herbarium?
Answer
3
Pratiti Majumder
Subject: Biology
, asked on 19/6/17
Why were the artificial and natural systems of classification rejected?
Answer
2
Mansi Wadhera
Subject: Biology
, asked on 11/6/17
Fill in the blanks
1) ____ a green algae causes a disease in tea
2) Sphagnum has absorptive power and ___properties.
Answer
2
Mansi Wadhera
Subject: Biology
, asked on 11/6/17
1) Green algae is considered ______ of all terrestrial plants.
2) Pleurilocular sporangia in Ectocarpus contain_____ which are formed without meiosis
Answer
4
Mansi Wadhera
Subject: Biology
, asked on 11/6/17
Fill in the blanks
1) In algae sporophytic and gametophytic stages are ______
2) In pteridophytes branching is never ______
Answer
3
Mansi Wadhera
Subject: Biology
, asked on 11/6/17
Say true or false
1) Biciliate antherozoids are found in ferns
2) In ferns there is self fertilization
Answer
4
Mansi Wadhera
Subject: Biology
, asked on 11/6/17
say true or false
1) In precocious the spore the spore germinates while still in the sporangium
2) Formation of gametophyte from sporophyte without production of spores is called apospory
Answer
2
Mansi Wadhera
Subject: Biology
, asked on 11/6/17
Describe various methods of asexual reproduction in algae
Answer
4
Mansi Wadhera
Subject: Biology
, asked on 11/6/17
Demonstrate alternation of generations in ferns.
Answer
3
Mansi Wadhera
Subject: Biology
, asked on 10/6/17
Fill in the blanks
1) in funaria spore germinate to give rise to__
2) in pteridophytes branching is never __
3) Brown algae contains dominant pigment___
4) In algae sporophytic and gametophytic stages are ____
Answer
1
Mansi Wadhera
Subject: Biology
, asked on 10/6/17
Say true or false
1) The fern is heterosporous
2) In selaginella gametophyte is dominant generation
3) In selaginella sperms are multiflagellated
4) Rhizophore of selaginella is 'organ suigeneris'
5) In precocious germination the spore germinate while still in the sporangium
7) formation of gametophyte from sporophyte without production of spores is called apospory
8) Biciliate Antherozoids are found in ferns
9) In ferns there is self fertilization.
Answer
1
Prev
1
2
3
4
5
Next
What are you looking for?
A) Pinus
B) Cycas
C) Ephedra
D) Gnetum
A) vessels in xylem elements
B) Archegonia in ovules
C) Pollen tubes for carrying male gamates
D) None of these
Plz ans by giving reason
1. anthredium produces ....
2. archegonium produces....
1) ____ a green algae causes a disease in tea
2) Sphagnum has absorptive power and ___properties.
2) Pleurilocular sporangia in Ectocarpus contain_____ which are formed without meiosis
1) In algae sporophytic and gametophytic stages are ______
2) In pteridophytes branching is never ______
1) Biciliate antherozoids are found in ferns
2) In ferns there is self fertilization
1) In precocious the spore the spore germinates while still in the sporangium
2) Formation of gametophyte from sporophyte without production of spores is called apospory
1) in funaria spore germinate to give rise to__
2) in pteridophytes branching is never __
3) Brown algae contains dominant pigment___
4) In algae sporophytic and gametophytic stages are ____
1) The fern is heterosporous
2) In selaginella gametophyte is dominant generation
3) In selaginella sperms are multiflagellated
4) Rhizophore of selaginella is 'organ suigeneris'
5) In precocious germination the spore germinate while still in the sporangium
7) formation of gametophyte from sporophyte without production of spores is called apospory
8) Biciliate Antherozoids are found in ferns
9) In ferns there is self fertilization.