Gammaxene, D.D.T. and Bleaching powder are important compounds of :
A. Chlorine
B. Nitrogen
C. Sulphur
D. Phosphorus
✅ The correct answer is option A.
Amalgam‘ is a term used for an alloy of a metal with:
A. Copper
B. Mercury
C. Lead
D. Aluminium
✅ The correct answer is option B.
The television technology in which a new form of light-emitting crystals which can be printed onto flexible plastic sheets to produce a paper-thin display that can be rolled up and carried in a pocket is:
A. QD-TV
B. SED-TV
C. Pixel Plus
D. Slingbox
✅ The correct answer is option A.
The power of a lens is measured in :
A. diopters
B. aeon
C. lumen
D. candela
✅ The correct answer is option A.
Which one of the following types of Laser is used in Laser Printers?
A. Semiconductor laser
B. Excimer Laser
C. Dye Laser
D. Gas Laser
✅ The correct answer is option A.
Which among the following is ―Fool‘s Gold‖ ?
A. Copper Sulphate
B. Iron Sulfide
C. Brass
D. Silver Bromide
✅ The correct answer is option B.
Who among the following established that genetic code of all organisms is spelled out in three-letter words, each set of three nucleotides codes for a specific amino acid?
A. Hargobind Khorana
B. Barbara McClintock
C. Theodor O. Diener
D. Joseph L. Goldstein
✅ The correct answer is option A.
Liming is the application of calcium and magnesium rich materials to soil in various forms, including marl, chalk, limestone, or hydrated lime. What is the purpose of liming?
A. Increase the Soil pH
B. Increase the bacteria activity
C. Both A & B
D. Decrease the bacterial activity
✅ The correct answer is option C.
Which among the following is the main constituent of vegetable oil and animal fats?
A. Glycogen
B. Triglyceride
C. Galactose
D. Diglyceride
✅ The correct answer is option B.
What is Carbamide?
A. A Pesticide
B. A Fertilizer
C. A Textile Dye
D. An Explosive
✅ The correct answer is option B.