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Home » General Knowledge » Aptitude Test - 20
Hassan
1. In which amino acid Imidazole group, an aromatic ring found?
A. Lysine
B. Arginine
C. Histidine
D. Lysine
2. Which of these are rare amino acid in a protein?
A. Leucine and serine
B. Lysine and glutamic acid
C. Tryptophan and methionine
D. Leucine and serine
3. The two amino acids having R groups with a negative net charge at pH 7.0 are
A. Aspartate and glutamate
B. Arginine and histidine
C. Cysteine and methionine
D. Aspartate and glutamate
4.Identify the amino acids containing nonpolar, aliphatic R groups
A. Phenylalanine, tyrosine, and tryptophan
B. Glycine, alanine, leucine
C. Lysine, arginine, histidine
D. Phenylalanine, tyrosine, and tryptophan
5. Among the 20 standard proteins coding amino acids, which one is least occurs in proteins?
A. Glycine
B. Alanine
C. Tryptophan
D. Glycine
6. Which of the following is an example for a bio-plastic?
A. Polyaspartate
B. Polyglutamate
C. Polyglutamate
D. Polyaspartate
7.Bacteria prefer to use the codon CGA instead of AGA to code for Arginine. This is an example for ____
A. Second genetic code
B. Nullomers
C. Transcriptional decoding
D. Second genetic code
8.Name the amino acid, which exists in two non-superimposable mirror images of each other.
A. Epimer
B. Anomer
C. Enantiomer
D. Epimer
9. Who invented the BALLPOINT PEN?
A. Biro Brothers
B. Waterman Brothers
C. Bicc Brothers
D. Biro Brothers
10.What J. B. Dunlop invented?
A. Pneumatic rubber tire
B. Automobile wheel rim
C. Rubber boot
D. Pneumatic rubber tire
11. Which scientist discovered the radioactive element radium?
A. Isaac Newton
B. Albert Einstein
C. Benjamin Franklin
D. Isaac Newton
12. When was barb wire patented?
A. 1874
B. 1840
C. 1895
D. 1874
13.What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
A. Charles Richter
B. Hiram Walker
C. Giuseppe Mercalli
D. Charles Richter
14. What Galileo invented?
A. Barometer
B. Pendulum clock
C. Microscope
D. Barometer
15. This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.
A. George Washington
B. Alexander Hamilton
C. John Adams
D. George Washington
16.What James Watt invented?
A. Diving bell
B. Steam boat
C. Hot air balloon
D. Diving bell
17.Where is the village of Branston, after which the famous pickle is named?
A. Yorkshire
B. Lancashire
C. Staffordshire
D. Yorkshire
18. Who invented Jet Engine?
A. Sir Frank Whittle
B. Gottlieb Daimler
C. Roger Bacon
D. Sir Frank Whittle
19.What invention caused many deaths while testing it?
A. Dynamite
B. Ladders
C. Race cars
D. Dynamite
20. Who invented Gunpowder?
A. G. Ferdinand Von Zeppelin
B. Sir Frank Whittle
C. Roger Bacon
D. G. Ferdinand Von Zeppelin
21.Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
A. 1828
B. 1831
C. 1825
D. 1828
22. Who perfected GENETIC ENGINEERING?
A. Cohen & Boyer
B. Hunt & Davids
C. Sinclair & Roberts
D. Cohen & Boyer
23.What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
A. Microwave oven
B. Remote control
C. VCR
D. Microwave oven
24. What Benjamin Franklin invented?
A. Bifocal spectacles
B. Radio
C. Barometer
D. Bifocal spectacles
25. This part-time race car driver invented the bucket seat in 1969. Who was he??
A. Steve McQueen
B. Harrison Frazier
C. Paul Newman
D. Steve McQueen
26. What plaything was invented by Joe McVicker in 1956?
A. Silly Putty
B. Etch-A-Sketch
C. Lite-Brite
D. Silly Putty
27. Who was the first American female to patent her invention, a method of weaving straw with silk?
A. Marjorie Joyner
B. Margaret Knight
C. Amanda Jones
D. Marjorie Joyner
28. Who invented Gramophone?
A. Michael Faraday
B. Fahrenheit
C. Sir Alexander Graham Bell
D. Michael Faraday
29.Who invented Internal Combustion Engine?
A. Roger Bacon
B. Karl Benz
C. Dr. Alan M. Turing
D. Roger Bacon
30.When was Monopoly created?
A. 1940s
B. 1930s
C. 1920s
D. 1940s
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