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Asked by Surya rao Sripathi

Jan 31, 2014

Reproduction?

Answer.

Sexual reproduction is considered to be a better mode of reproduction because it creates a hybrid that has more vigor than the parents.

Answer (9)

Asked by Sanalkumar S

Apr 25, 2015

State differences between oviparous and viviparous animals.

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Answer (2)

Asked by Sagar Rachchh

Feb 2, 2015

What is a zoospore and how is it different from a zygote?

Answer.

Zoospores are the asexually reproducing structures produced in organisms like Chlamydomonas belonging to kingdom Algae.


Zygote is the single cell formed as a result...

Answer (2)

Asked by Sanalkumar S

Sep 19, 2015

what is gongrosira stage?

Answer.

The conditions or in low temperature. Sometimes, thin wall divides the contents of aplanospore in to many parts. Each part develops cysts or hypnospores. This stage of Vaucheria is called...

Answer (2)

Asked by Sunny Mathew

Apr 8, 2015

Explain different types of parthenogenesis in detail.

Sol:
Parthenogenesis is the method of obtaining offspring without fertilisation taking place between gametes of opposite sex. This is not to be considered as asexual reproduction. Parthenogenesis is a so...

Answer (1)

Asked by Sanalkumar S

Apr 25, 2015

What is binary fission? What is the basic difference between fission in amoeba and paramecium?

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Answer (3)

Asked by Sanalkumar S

Apr 17, 2015

All papaya plants bear flowers but fruits are seen in only in some.Why?

Sol:
Flowers are the reproductive parts of most of the plants. There are two types of flowers based on reproduction. These are bisexual and unisexual flowers. 
*A unisexual flower either cont...

Answer (1)

Asked by Aman Preet Singh

Jun 23, 2015

could any one suggest me a good biology investigatory project for class XII CBSE.

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Asked by Sanalkumar S

Apr 25, 2015

Coconut palm is monoecious, while date palm is dioecious. Why are they called so?

Sol:
Monoecious is a condition where a single plant produces both male and female flowers which are helpful in fertilisation process. Coconut palm produces both male and female flowers in a single indivi...

Answer (1)

Asked by Sunny Mathew

Apr 14, 2015

Bryophytes and pteridophytes produce a large number of male gametes than female gametes. Why?

Sol:
Bryophytes and pteridophytes require water as a medium for reproduction. Egg or the female gametophyte remains intact within the mother plant.Male gametes have to be released into water, swim along ...

Answer (1)

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