Science & Technology mcqs#7
Q 1.H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?
a.AIDS
b.Bird flu
c.Dengue
d.Swine flu
ans – d
Q 2.With reference to ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity. consider the following statements :
1. If pure hydrogen is used as a fuel, the fuel cell emits heat and water as by-products.
2. Fuel cells can be used for powering buildings and not for small devices like laptop computers.
3. Fuel cells produce electricity in the form of Alternating Current (AC).
Which of the statements given above is / are correct?
a.1 only
b. and 3 only
c.1 and 3 only
d.1, 2 and 3
ans – a
Q 3.With reference to bio-toilets used by the Indian Railways, consider the following statements:
1.The decomposition of human waste in the bio-toilets is initiated by a fungal inoculum.
2. Ammonia and water vapour are the only end products in this decomposition which are released into the atmosphere.
Which of the statements given above is/are correct?
a.1 only
b.2 only
c.Both 1 and 2
d.Neither 1 nor 2
ans – d
Q 4.Indira Gandhi Peace Prize for Peace, Disarmament and Development for 2014 was given to which of the following?
a.Bhabha Atomic Research Centre
b.Indian Institute of Science
c.Indian Space Research Organization
d.Tata Institute of Fundamental Research
ans – c
Q 5.In the context of modern scientific research, consider the following statements about ‘IceCube’, a particle detector located at South Pole, which was recently in the news :
1.It is the world’s largest neutrino detector, encompassing a cubic kilometre of ice.
2.It is a powerful telescope to search for dark matter
3.It is buried deep in the ice.
Which of the statements given above is/are correct?
a.1 only
b.2 and 3 only
c.1 and 3 only
d.1, 2 and 3 only
ans – d
Q 6.In the context of the developments in Bioinformatics, the term transcriptome’, sometimes seen in the news, refers
a. a range of enzymes used in genome editing
b.the full range of mRNA molecules expressed by an organism
c.the description of the mechanism of gene expression
d.a mechanism of genetic mutations taking place in cells
ans – B
Q 7.‘Project Loon’, sometimes seen in the news, is related to
a.waste management technology
b.wireless communication technology
c.solar power production technology
d.water conservation technology
ans – B
Q 8.Which one of the following is the best description of ‘INS Astradharini’, that was in the news recently?
a.Amphibious warfare ship
b.Nuclear-powered submarine
c.Torpedo launch and recovery vessel
d.Nuclear-powered aircraft carrier
ans – C
Q 9.What is ‘Greased Lightning-10 (GL-10)’, recently in the news?
a.Electric plane tested by NASA
b.Solar-powered two-seater aircraft designed by Japan
c.Space observatory launched by China
d.Reusable rocket designed by ISRO
ans – A
Q 10.With reference to ‘Li-Fi’, recently in the news, which of the following statements is/are correct?
1. It uses light as the medium for high-speed data transmission.
2. It is a wireless technology and is several times faster than ‘WiFi’.
Select the correct answer using the code given below.
a.1 only
b.2 only
c.Both 1 and 2
d.Neither 1 nor 2
ans – C