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What people are asking?

Sagar Rachchh

Jan 25, 2015

What is microsporangium? With the help of a diagram, represent the location of a microsporangium.

Answer.

Microsporangium is the sporangial structure which contains microspores which are the pollen sacs giving rise to male gametes in an angiosperm.
T.S of anther shows the four lobes fo...

Answer (2)

Sunny Mathew

Apr 17, 2015

Differentiate between a dicot embryo and a monocot embryo.

This answer has an image. Please click on the question to read more.

Answer (2)

Sai

May 13, 2014

Why the pollengrains well preserved as fossils?

Answer.

    Pollen grains has a prominent two-layered wall. The hard outer layer called the exine is made up of sporopollenin which is one of the most re...

Answer (2)

Sai

May 14, 2014

What is microsporogenesis? Where does it occur in angiosperms?

Answer.

Formation of haploid microspore by reductional division (meiosis) in diploid spore mother cell is called microsporogenesis. The process of microsporogenesis tak...

Answer (11)

Adithyan Sanal

May 6, 2015

State what is apomixis comment on its significance. 

Answer.

Apomixis is the method involved in production of seeds without fertilisation.Apomixis has an advantage of producing inividuals with desired qualities in more numbers.

Apomi...

Answer (3)

UJJVAL MISHRA Mishra

Jun 7, 2015

What are bisexual plants?

Sol:
Flowers based on the reproductive whorls they carry, can be classified into unisexual flowers and bisexual flowers. 
A bisexual flower is the flower which consists both the whorls of sta...

Answer (1)

Adithyan Sanal

May 6, 2015

A liverwort plant is unable to complete its life cycle in a dry environment. State two reasons. 

This answer has an image. Please click on the question to read more.

Answer (2)

Sagar Rachchh

Feb 2, 2015

How are pollen grains formed in sporogenous tissue?

Sol:

Microsporangium is the sporangial structure which contains microspores which are the pollen sacs giving rise to male gametes in an angiosperm.
T.S of anther shows the four lobes formi...

Answer (1)

Sanalkumar S

Jun 17, 2015

Explain why endosperm in angiosperms is triploid while zygote formed is diploid.

This answer has an image. Please click on the question to read more.

Answer (2)

Sai

May 13, 2014

What is monocarpellary pistil?

Carpel is one of the individual female reproductive organs in a flower. A carpel is composed of an ovary, a style, and a stigma. In origin, carpels are leaves or megasporophylls that have evolved to enclose the...

Answer (1)

Sagar Rachchh

Jan 25, 2015

What is microsporangium? With the help of a diagram, represent the location of a microsporangium.

Answer.

Microsporangium is the sporangial structure which contains microspores which are the pollen sacs giving rise to male gametes in an angiosperm.
T.S of anther shows the four lobes fo...

Answer (2)

Sunny Mathew

Apr 17, 2015

Differentiate between a dicot embryo and a monocot embryo.

This answer has an image. Please click on the question to read more.

Answer (2)

Sai

May 13, 2014

Why the pollengrains well preserved as fossils?

Answer.

    Pollen grains has a prominent two-layered wall. The hard outer layer called the exine is made up of sporopollenin which is one of the most re...

Answer (2)

Sai

May 14, 2014

What is microsporogenesis? Where does it occur in angiosperms?

Answer.

Formation of haploid microspore by reductional division (meiosis) in diploid spore mother cell is called microsporogenesis. The process of microsporogenesis tak...

Answer (11)

Adithyan Sanal

May 6, 2015

State what is apomixis comment on its significance. 

Answer.

Apomixis is the method involved in production of seeds without fertilisation.Apomixis has an advantage of producing inividuals with desired qualities in more numbers.

Apomi...

Answer (3)

UJJVAL MISHRA Mishra

Jun 7, 2015

What are bisexual plants?

Sol:
Flowers based on the reproductive whorls they carry, can be classified into unisexual flowers and bisexual flowers. 
A bisexual flower is the flower which consists both the whorls of sta...

Answer (1)

Adithyan Sanal

May 6, 2015

A liverwort plant is unable to complete its life cycle in a dry environment. State two reasons. 

This answer has an image. Please click on the question to read more.

Answer (2)

Sagar Rachchh

Feb 2, 2015

How are pollen grains formed in sporogenous tissue?

Sol:

Microsporangium is the sporangial structure which contains microspores which are the pollen sacs giving rise to male gametes in an angiosperm.
T.S of anther shows the four lobes formi...

Answer (1)

Sanalkumar S

Jun 17, 2015

Explain why endosperm in angiosperms is triploid while zygote formed is diploid.

This answer has an image. Please click on the question to read more.

Answer (2)

Sai

May 13, 2014

What is monocarpellary pistil?

Carpel is one of the individual female reproductive organs in a flower. A carpel is composed of an ovary, a style, and a stigma. In origin, carpels are leaves or megasporophylls that have evolved to enclose the...

Answer (1)

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