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What people are asking?

Sanalkumar S

Apr 25, 2015

State one advantage and disadvantage of cleistogamy.

Answer.

Cleistogamy is the self pollination occurring in an unopened flower.
 Advantages:
This type self-pollination does not require external agent.
It preserves useful...

Answer (3)

Adarsh Udayan

Apr 28, 2015

In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, calculate the frequency of allele A in the population.

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

Answer (1)

Ethesh

May 18, 2014

What are analogous organs. Give any two examples.

Answer.

Answer (2)

Adithyan Sanal

May 6, 2015

What is striking difference between Mendelian inheritance, polygenic inheritance and pleiotropy?

Sol:
Mechanism can be explained in a detailed way, it is important to know the striking differences.
*Mendelian inheritance can be explained by monohybrid cross and dihybrid cross. Monohybrid cros...

Answer (2)

Gaurav Teharpuria

Feb 13, 2015

Compare Lamarckism and Darwinism for similarities and differences

Sol:

Lamarckism
Lamarck is a biologist who studied fossil remains of several veretebrates and invertebrates. Lamarckism states that organic  evolution or anatomical c...

Answer (1)

Gaurav Teharpuria

Feb 13, 2015

What do you mean by adaptive convergence?

Sol:
Adaptive convergence is the phenomenon which happens under adaptive convergence. The animals of unrrelated groups occupying the same habitat exhibit common features. For example all the marsupials e...

Answer (1)

Sanalkumar S

Apr 5, 2015

Why is Charles Darwin considered to be 'Father of Evolution'? Give reasons. 

Sol:
Charles Darwin is considered to be 'Father of Evolution' due to his contributions to the field of evolution. Charles Darwin proposed the Theory of Natural selection. Natural selection theory...

Answer (1)

Ethesh

May 18, 2014

What do you mean by ontogeny repeats phylogeny?

Answer.

An i...

Answer (3)

Adithyan Sanal

May 6, 2015

With the help of flow chart, show the phenomenon of biomagnification of DDT in an aquatic food chain. 

Sol:

On a long run, DDT has proven to be harmful to both man and environment. 
*DDT sprayed in farms get settled in the soil. It percolated into the deep layers of the soil with water...

Answer (1)

Sanalkumar S

Apr 25, 2015

State one advantage and disadvantage of cleistogamy.

Answer.

Cleistogamy is the self pollination occurring in an unopened flower.
 Advantages:
This type self-pollination does not require external agent.
It preserves useful...

Answer (3)

Adarsh Udayan

Apr 28, 2015

In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, calculate the frequency of allele A in the population.

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

Answer (1)

Ethesh

May 18, 2014

What are analogous organs. Give any two examples.

Answer.

Answer (2)

Adithyan Sanal

May 6, 2015

What is striking difference between Mendelian inheritance, polygenic inheritance and pleiotropy?

Sol:
Mechanism can be explained in a detailed way, it is important to know the striking differences.
*Mendelian inheritance can be explained by monohybrid cross and dihybrid cross. Monohybrid cros...

Answer (2)

Gaurav Teharpuria

Feb 13, 2015

Compare Lamarckism and Darwinism for similarities and differences

Sol:

Lamarckism
Lamarck is a biologist who studied fossil remains of several veretebrates and invertebrates. Lamarckism states that organic  evolution or anatomical c...

Answer (1)

Gaurav Teharpuria

Feb 13, 2015

What do you mean by adaptive convergence?

Sol:
Adaptive convergence is the phenomenon which happens under adaptive convergence. The animals of unrrelated groups occupying the same habitat exhibit common features. For example all the marsupials e...

Answer (1)

Sanalkumar S

Apr 5, 2015

Why is Charles Darwin considered to be 'Father of Evolution'? Give reasons. 

Sol:
Charles Darwin is considered to be 'Father of Evolution' due to his contributions to the field of evolution. Charles Darwin proposed the Theory of Natural selection. Natural selection theory...

Answer (1)

Ethesh

May 18, 2014

What do you mean by ontogeny repeats phylogeny?

Answer.

An i...

Answer (3)

Adithyan Sanal

May 6, 2015

With the help of flow chart, show the phenomenon of biomagnification of DDT in an aquatic food chain. 

Sol:

On a long run, DDT has proven to be harmful to both man and environment. 
*DDT sprayed in farms get settled in the soil. It percolated into the deep layers of the soil with water...

Answer (1)

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