1) The substance which give yellow colour to fruits ?
Carotine.
2) Green colour on boiled egg yolk is due to...?
Iron sulfide. / Ferrous sulfide.
3) Mirache is due to …. ?
Total Internal Reflection.
4) What is the importance of Sept 24 ,2014 as of Indian science is concerned ?
The day on which MANGALYAN began its revolution.
5) Couple astronauts are ….. ?
Valentina Tereshkova and Andriyan Nicholayev.
6) Who shared the Nobel prize for physics along with Madame Curie and Pierre
Curie?
Henri Becquerel.
7) Percentage of copper and silver in 916 gold ornament ?
8.4%.
8) Chemical name of aspirine is … ?
Acetyl Salicylic Acid (ASA).
9)Fruity smell of pine apple is due to … ?
Ethyl butyrate.
10)Synthetic rubber SBR is … ?
Styrene-Butadiene Rubber.
11) Dettol contains … ?
Chloroxylenol.
12) The nitrogenous base found in DNA and not found in RNA is ... ?
Thymine.
13) Fullform of MRI is … ?
Magnetic Resonance Imaging.
14) Author of the book 'A brief history of time' is …. ?
Stephen Hawking.
15) Gem stone is a type of ……………… colloide ?
Solid sol.
16) What is the Oxidation number of Cr in K2Cr2 O7 ….. ?
+6
17) The alloy white gold contains …. ?
Palladium and Gold.
18) Oscar statue is made of ….. ?
Alloy britanium. ( Tin Antymoni ,Copper)
19) Wi-Fi stands for .. ?
Wireless Fidelity.
20) Founder of mouce is … ?
Douglas Engelbart.
21) CDMA is … ?
Code Division Multiple Access
22) What is 'Endeavour' in Space Technology … ?
NASA's space shuttle.
23) MEMU is … ?
Mainline Electric Multiple Unit.
25) S P Udayakumar is the personality famous in recent days …. ?
Koodamkulam People Movement.
26) Name the Prize conffered annually by UNESCO for exceptional skill in
presenting scientific ideas to lay people …. ?
Kalinga Prize.
27) Father of cloning is … ?
Ian Wilmut.
28) Amstrong stands for ……….. meters ?
10^10.
29) Subatomic particle with no mass is known as …. ?
Neutrino.
30)One horse power is …….watts ?
746.
31)An instrument( it is a timepiece ) kept in ship for measuring accurate time... ?
Marine Chronometer.
32) If two plane mirrors are joined side by side at an angle 900.The number of
images are … ?
33)The battery used in mobile phones ?
Lithium-ion battery.
34)The membrane ( or the conical sac of fibrous tissue ) which covers heart is .. ?
Pericardium.
35)The milk produced during the initial few days of lactation( or in late pregnancy ) is ...... ? Colostrum
Courtesy: Baburaj. P H.S.A( Mathematics )
