राज्यसेवा मुख्य परीक्षा २०१२ GS-4

__________is an example of a bird which has become extinct from the natural ecosystem.

__________is the world's first mammalian clone to be created by using the genetic engineering technique.

Agarose gels are used for separation of DNA molecules because agarose

Taq polymerase is an important enzyme in 'PCR' because

Which of the following is/are example/s of biotechnological application/s ?

a. Preparation of curd from milk

b. Fermentation of rice using baker's yeast

c. Cloning a viral gene into a bacterium

d. Cloning a healthy gene in human to cure a disease

Match the following : 

What are the characteristics of a tropical cyclone ?

a. Tropical cyclones have warm core.

b. Centre of the cyclone is cloudless spot.

c. Tropical cyclones have gentle pressure gradient.

d. Average rainfall in tropical cyclone is 50 to 100 cm.

Select the correct option :

Match the following 

National Disaster Management Authority (NDMA) is headed by

Which area suffered huge losses of life and property due to Tsunamis in 2004 in the Indian Ocean ?