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Biology

General

Easy

Question

In $F u n a r i a$ capsule, dispersal of spores takes place through

Peristomial teeth
Annulus
Calyptra
Operculum

The correct answer is: Peristomial teeth

In moss $open parentheses F u n a r i a close parentheses comma$ the dispersal of spores is facilitated by hygroscopic pouring movements of peristomial teeth (lengthening and shortening of peristomial teeth). The inner peristome acts as a sieve allowing only few spores to escape at a time.

Related Questions to study

‘Chilgoza’ a gymnospermic seed that is eaten as dry fruit is produced by

‘Chilgoza’ a gymnospermic seed that is eaten as dry fruit is produced by

Cycads are

Cycads are

Stamen consists of

Stamen consists of

parallel

Consider the following statements about green algae
I) Green algae are green due to the presence of chlorophyll- $a$ and $b$ pigments localised in chloroplast
II) Algae store food in form of starch in a specialised structures called pyrenoids located in chloroplast. Food may be stored in form of oil droplets
III) Vegetative reproduction occurs through cell division, fragmentation, stolons and tubers
Which of the statements given above are correct?

Consider the following statements about green algae
I) Green algae are green due to the presence of chlorophyll- $a$ and $b$ pigments localised in chloroplast
II) Algae store food in form of starch in a specialised structures called pyrenoids located in chloroplast. Food may be stored in form of oil droplets
III) Vegetative reproduction occurs through cell division, fragmentation, stolons and tubers
Which of the statements given above are correct?

Gymnosperms are naked seeded plants because

Gymnosperms are naked seeded plants because

Find out the mis-matched pair.

Find out the mis-matched pair.

parallel

Which statement is incorrect about $P i n u s$ ?

Which statement is incorrect about $P i n u s$ ?

Which of the following pteridophytes is heterosporous in nature?

Which of the following pteridophytes is heterosporous in nature?

Observe the diagrams given below and choose the correct option out of $A$ of $C$ , in which all the three items $A comma blank B$ and $C$ are rightly identified

Observe the diagrams given below and choose the correct option out of $A$ of $C$ , in which all the three items $A comma blank B$ and $C$ are rightly identified
BiologyGeneral

parallel

In angiosperms endosperm is

In angiosperms endosperm is

Sago starch is obtained from

Sago starch is obtained from

Identify the scientists worked extensively on chlorophyllous and non-chlorophyllousthallophytes, respectively.
I) Iyenger
II) Swaminathan
III) Metha
IV) Maheswari

Identify the scientists worked extensively on chlorophyllous and non-chlorophyllousthallophytes, respectively.
I) Iyenger
II) Swaminathan
III) Metha
IV) Maheswari

parallel

Which of the following is the amphibians of the plant kingdom?

Which of the following is the amphibians of the plant kingdom?

In liverworts asexual reproduction takes place by

In liverworts asexual reproduction takes place by

In gymnosperm dominant phase is

In gymnosperm dominant phase is

parallel

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