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Biology

General

Easy

Question

In liverworts asexual reproduction takes place by

Gemmae and fragmentation of thalli
Fragmentation and zoospores
Gemmae formation and spores formation
Isogamy and anisogamy

The correct answer is: Gemmae and fragmentation of thalli

Liverworts reproduce asexually by the formation of specialised structure called gemmae or through fragmentation of thalli. Gemmae are asexual buds, which originate from small receptacles called gemma cups

Related Questions to study

In gymnosperm dominant phase is

In gymnosperm dominant phase is

Consider the following statements
I) They reproduce asexually by non-motile spores and sexually by non-motile gametes
II) In this class, sexual reproduction is oogamous and accompanied by complex post-fertilisation developments
III) The common members are $P o l y s i p h o n i a comma blank P o r p h y r a comma blank G r a c i l a r i a$ and $G e l i d i u m$
The above characteristics are belongs to which class of algae

Consider the following statements
I) They reproduce asexually by non-motile spores and sexually by non-motile gametes
II) In this class, sexual reproduction is oogamous and accompanied by complex post-fertilisation developments
III) The common members are $P o l y s i p h o n i a comma blank P o r p h y r a comma blank G r a c i l a r i a$ and $G e l i d i u m$
The above characteristics are belongs to which class of algae

Algae are

Algae are

parallel

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Which of the following are called vascular cryptogams?

$C y c a s$ leaflets are

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Moss peat s used as a packing material for sending flowers and live plants to distant places because

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In $C y c a s comma$ pollination occurs at ….. celled stage.

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In angiosperms, the pollen grains and ovules are produced in special structure called

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Read carefully the given statements about algae and choose the correct option
I) The plant body is thalloid
II) Mainly aquatic
III) Reproduction takes place by vegetative, asexual and sexual
IV) $V o l v o x$ and $U l o t h r i x$ are the colonial form of algae

Read carefully the given statements about algae and choose the correct option
I) The plant body is thalloid
II) Mainly aquatic
III) Reproduction takes place by vegetative, asexual and sexual
IV) $V o l v o x$ and $U l o t h r i x$ are the colonial form of algae

Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given.
I) In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll- $a a n d blank d.$
II) In Phaeophyceae, laminarian is the stored food and major pigments are chlorophyll- $a a n d blank b.$
III) In Rhodophyceae, floridean starch is the stored food and major pigments are chlorophylla- $a comma blank d$ and phycoerythrin.

Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given.
I) In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll- $a a n d blank d.$
II) In Phaeophyceae, laminarian is the stored food and major pigments are chlorophyll- $a a n d blank b.$
III) In Rhodophyceae, floridean starch is the stored food and major pigments are chlorophylla- $a comma blank d$ and phycoerythrin.

parallel

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