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Biology

General

Easy

Question

Heterocysts are found in

Cyanophyceae
Chlorophyceae
Phaeophyceae
Rhodophyceae

The correct answer is: Cyanophyceae

In Cyanophyceae many filamentous forms possess some specialized cells of disputed nature called heterocysts, which help in nitrogen fixation, $e. g. comma blank N o s t o c comma blank A n a b a e n a comma blank e t c.$

Related Questions to study

Which of the statement is correct about $M a r c h a n t i a$ ?
I) Plant body is thallus-like structures closely attached to substrate
II) Sporophyte is differentiated into food, seta and capsule
III) Gemma cup located on the thalli

Which of the statement is correct about $M a r c h a n t i a$ ?
I) Plant body is thallus-like structures closely attached to substrate
II) Sporophyte is differentiated into food, seta and capsule
III) Gemma cup located on the thalli

Gymnosperms are characterised by

Gymnosperms are characterised by

In $F u n a r i a comma$ stomata are present on the

In $F u n a r i a comma$ stomata are present on the

parallel

Meiosis in $S p i r o g y r a comma blank U l o t h r i x comma blank C h l a m y d o m o n a s$ and most of the algae/thallophytes is

Meiosis in $S p i r o g y r a comma blank U l o t h r i x comma blank C h l a m y d o m o n a s$ and most of the algae/thallophytes is

In pteridophyte, the sporophytes consist of leaf-like appendages called

In pteridophyte, the sporophytes consist of leaf-like appendages called

Which of the following does not belong to class-Phaeophyceae (brown algae)?

Which of the following does not belong to class-Phaeophyceae (brown algae)?

parallel

Which of the following is known as pond silk?

Which of the following is known as pond silk?

Which one of the following is an example of chlorophyllousthallophyte?

Which one of the following is an example of chlorophyllousthallophyte?

The correct names of gymnospermic plant $A comma blank B$ and $C$ shown in figure below are

The correct names of gymnospermic plant $A comma blank B$ and $C$ shown in figure below are
BiologyGeneral

parallel

Difference between algae and bryophytes is

Difference between algae and bryophytes is

In Bryophtya, the adult plant body is

In Bryophtya, the adult plant body is

The members of brown algae (class-Phaeophyceae) have gelatinous coating outside the, cellulosic cell wall called

The members of brown algae (class-Phaeophyceae) have gelatinous coating outside the, cellulosic cell wall called

parallel

Which one is not the feature of $C y c a s$ ?

Which one is not the feature of $C y c a s$ ?

The gametophyte is not an independent, free living generation in

The gametophyte is not an independent, free living generation in

Moss capsule represents a

Moss capsule represents a

parallel

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