Science Current Affairs Quiz March 2011, March 7- March 13

Current Affairs Science Quizzes test the participant’s knowledge on latest discoveries, technological advancements made and in the process further enhances an individual’s knowledge base. The quizzes also cover the Environment-Ecology segment. Number of questions is asked from this segment in the competitive exams. Taking the Science Current Affairs quiz March 2011  will help you in the preparation for NDA, CDS, Bank PO, MBA, NABARD, RBI, Railway, SSC, Civil Services and other Exams.

1. 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

Please choose the correct option:
a)    i, ii, iii and iv
b)    i and ii only
c)    i, ii and iii

d)    only i

Answer: (a) I, ii, iii and iv

2. 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)    Both i and ii
b)    Neither I and ii
c)    Only i
d)    Only ii
Answer: (a) both i and ii

3. 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.
Which of the above statements is/are correct?
a)    Both i and ii
b)    Only i
c)    Only ii
d)    Neither i  nor ii
Answer: (a) Both i and ii

4.  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

5. 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)    i, ii, iii and iv
b)    i and ii only
c)    ii and iii only
d)    i and iv only
Answer: (a) i, ii, iii and iv

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