Science Current Affairs Quiz/Questions-Answers December 2012, December 17-December 23

The questions and answers provided in this section will help you test your abilities. The quizzes will help you know how prepared you are. By answering these questions you will be able to judge yourself in the subject of science and technology and environment and ecology. By solving these quizzes and knowing the right answers, you would be able to prepare more efficiently for your competitive exams. Solve these quizzes to explore more on the subject of science and environment.

1. The Central Zoo Authority of India approved exchanging white tigress from the Delhi Zoo against an animal from the Krasnoyarks Park of flora and fauna, Roev Ruchey in Russia. Which animal was traded in exchange of white tigress?
a) South American Jaguars
b) Kangaroos
c) Puma
d) Leopard
Answer: (c) Puma

2. NASA developed new next-gen spacesuit called Z-1 Prototype Spacesuit and Portable Life Support System (PLSS) 2.0 for the sophisticated and complex space ventures, which also include Mars mission. Which of the following statement is not true in this context:
a) The spacesuit is crafted out of various hard elements on the fabric. It also becomes flexible after being inflated.
b) There is no need of an airlock for seeking entry or getting exit in and out of this suit.
c) It makes use of the recent technique that includes sublimator which works only in hard vacuum.
d) The spacesuit packs in itself water membrane evaporation cooler which cools the suit through same method like sweating.
Answer: (c) It makes use of the recent technique that includes sublimator which works only in hard vacuum.

3. The gravity mapping satellites of NASA ended the successful mission to Moon by crashing on the rim of crater. What is the name of these gravity mapping satellites of NASA?
a) Voyager 1 and Voyager 2
b) Ebb and Flow
c) Orion and Kepler
d) Dawn and Orion
Answer: (b) Ebb and Flow

4. Scientist in the month of December revealed a planet that could support life, orbits a Sun-like star near the Earth. What is the name of the star around which this planet was found orbiting?
a) Tau Ceti
b) Sirius
c) 36 Ophiuchi
d) Gliese 33
Answer: (a) Tau Ceti

5. A microbe led to extinction of more than 90 species on Earth’s surface around 251 million years ago, the researchers found out in the second week of December 2012. Which of the following statements is true in this context:
a) According to the current theory, mass extinction by end of Permian period was started because of volcanic eruptions on a large area, now called Siberia.
b) When the group of researchers analysed genome of Methanosarcina - a methanogen which is accountable for most of the biogenic methane on Earth today, it was discovered that microbe acquired this ability some 231 million years ago.
c) Methanosarcina needs huge amount of nickel for producing methane fast.
d) All the statements are true
Answer: (d) All the statements are true.