SCIENCE QUIZ JAN to FEB 2011

SCIENCE QUIZ JAN to FEB 2011

1. According to an extensive genetic study on modern humans, two conclusions were drawn out.
i) There is an enormous amount of diversity in the African hunter-gatherer populations.
ii) The genetic diversity among 27 present-day African populations originated in southern Africa and progressed to northern Africa.
Which of the above statements is/are correct?
a) Only I b) Neither i and ii c) Both i and ii  d) Only ii
Answer: (c) both i and ii

2. A massive Tsunami caused by a devastating earthquake of the 8.9 magnitude hit about 400 km north-east of Tokyo, capital of Japan. Consider the following statements regarding Tsunami.
i) A Tsunami is a series of ocean waves that sends surges of water, reaching heights of over 100 feet onto land.
ii) Most tsunamis, about 80 percent, happen within the Pacific Ocean’s Ring of Fire, a geologically active area where tectonic shifts make earthquakes and volcanoes common.
Choose the correct Option?
a) Both i and ii b) Only I c) Only ii d) Neither i nor ii
Answer: (a) Both i and ii

3. An international team of scientists, led by the Australian National University recently discovered evidence that the body’s immune cells often share information about foreign substances with each other to ward of invaders. The study can help increase the immunity level in human body against pathogens and cancer. Which of the followings are the symptoms of Cancer?
i) Weight Loss ii) Excessive Sweating  iii) Lumps and Swelling (tumour) iv) Enlargement of Spleen

Whiche one the correct options:
a) all b) i and ii only c) i, ii and iii d) only i

Answer: (a) all

4. A New Technology Called High Tibial Osteotomy was developed in India to cure which one of the followings?
a) Cancer
b) Skin Cancer
c) Knee Problems
d) TB
Answer: (c) Knee Problems

5. Scientists from which one of the following countries created a herd of more than 200 cows that is capable of producing milk similar to that of humans?
a) Japan
b) India
c) USA
d) China
Answer: (d) China

6. A massive Tsunami caused by a devastating earthquake of the 8.9 magnitude hit about 400 km north-east of Tokyo, capital of Japan. Where is the Pacific Tsunami Warning System headquartered?
a) Hawai
b) Tokyo
c) Manila
d) Jakarta
Answer: (a) Hawai

7. A massive Tsunami caused by a devastating earthquake of the 8.9 magnitude hit about 400 km north-east of Tokyo, capital of japan. What are the possible factors which can cause Tsunami?
i)An Earthquake
ii) A landslide
iii) A volcanic eruption or explosion
iv) Impact by a meteorite
Please choose the right option
a) iii and iv only b) i and ii only c) ii and iii only d) all
Answer: (d) all

8. British Scientists discovered a cholesterol regulating protein which plays an important role in the formation of thrombosis a kind of blood clot that can result into heart attacks and strokes. What is the name of that protein?
a) LLL
b) LRX
c) XRL
d) LXR
Answer: (d) LXR

9. A report by the Climate Group, named India’s Clean Revolution, published on 18 March 2011 revealed that the market for low carbon goods and services in India could reach 135 billion US dollars by the year___.
a) 2025
b) 2015
c) 2018
d) 2020
Answer: (d) 2020

10. A study of the conservation needs of the Kimberley region showed that dozens of mammals, lizards, birds and other vertebrates are endangered because of hunting by feral cats and destruction of their habitat by wild donkeys and fires. In which one of the following countries Kimberley region is located?
a) USA
b) Australia
c) UK
d)Canada
Answer: (b) Australia