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The Personal Tutor is a feature that gives the student the advantage and facility to clear doubts anytime. A student can post all subject related queries, which will be answered by the respective subject expert. You can send in unlimited number of questions anytime from anywhere, and be rest assured that you will receive your reply within 24 hours. This feature is available only for subscribed users
 
 Recently Posted Queries and Answers

Q . Pluto is not the member of solar system.Please Give reason.

(Posted by: gudhu, Board: CBSE, Class: Class VI, Subject: SocialScience, Posted on: 20/04/12 11:49:am)
Ans. Since the year 2000, astronomers realized that Pluto was not like the other eight planets but very much like a new group of objects found in ...
 

Q . Can human ovaries produce more than 1 egg at a time? If not how are twins born?

(Posted by: krishnan, Board: CBSE, Class: Class XII, Subject: Biology, Posted on: 12/04/12 12:25:pm)
Ans. Due to hormonal imbalance, human ovary can produce more than one egg. If two eggs are fertilized by two separate sperms in fallopian tube, they are non-identical or fraternal twins. In normal, human ...
 

Q . How does vegetative propagation differ from asexual reproduction?

(Posted by: krishnan, Board: CBSE, Class: Class XII, Subject: Biology, Posted on: 12/04/12 12:14:pm)
Ans. Vegetative propagation is a form of asexual reproduction of a plant. Only one plant is involved and the offspring is the result of one parent. The new plant is genetically identical to the parent. It ...
 

Q . What are free electrons ?

(Posted by: madankumar, Board: TN State Board, Class: Class XII, Subject: Physics, Posted on: 12/04/12 12:09:pm)
Ans. Free electrons execute the conduction of current in all metals.The free electrons are responsible for electrical current. To understand this, consider a copper atom.

The copper atom has 29 ...
 

Q . Write in about 100 words, a fiction piece based on your speculation on the science and technology of the twenty-second century

(Posted by: sreekandan, Board: CBSE, Class: Class XI, Subject: Physics, Posted on: 04/04/12 11:48:am)
Ans. Imagine a space ship heading towards a star about 100 light years away. It is propelled by electric current generated by electromagnetic induction as the space ship crosses the magnetic field in space ...
 
 
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