Genetically modified plants are tailor – made according to the requirements . The genes for required traits are introduced by genetic engineering. High yield Read More …
Category: Science
A colour blind man has a normal woman as his wife . Predict the children . Gene for Colour blindness lies in the X chromosome.
Thus the above cross shows that the possible children of a colourblind man and normal woman are carrier daughters and normal sons
Define Biotechnology
Biotechnology – The integration of natural science and organisms, cells, parts thereof, and molecular analogues for products and services. OR Biotechnology deals with techniques Read More …
Draw a neat labelled diagram of DNA double helix
Differentiate between DNA & RNA
Explain different natural & barrier methods of birth control
Natural methods work on the principle of avoiding chances of ovum and sperms meeting. Periodic abstinence – couples avoid or abstain from coitus from Read More …
What is infertility? Explain the assisted reproductive technologies which enable infertile couples to have their own children ?
The inability to produce children inspite of unprotected sexual co-habitation by a couple is termed as infertility. Infertility clinics, could help in diagnosis and Read More …
How does the insecticidal protein encoded by cry gene in Bt cotton kill the cotton ball worms? OR Bt toxin gene has been cloned from bacteria and expressed in plants like cotton . This provides the plant resistance to insects without using insecticides. Explain how the plants kill the insects.
Bt toxin is produced by a bacterium called Bacillus thuringiensis. Bt toxin gene has been cloned from the bacteria and been expressed in plants Read More …
Large slum areas in a metropolitan city are the root cause of a tremendous increase in population. Being a responsible member of the society what measures would you like to take to reduce this problem.
We should tackle the problem at the village level by providing opportunities and amenities similar to those in a city so that the people Read More …
What is MTP? Describe the risk factors involved in the technique
Intentional or voluntary termination of pregnancy before full term is called medical termination of pregnancy (MTP) or induced abortion. About 1/5th of the total Read More …
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