Q1121.‘Radioactive dating’ is a technique which can be used to measure
Correct answer: The age of rocks
Q1122.Which organelle in the cell, other than the nucleus, contains DNA?
Correct answer: Mitochondrion
Q1123.Which of the following method is used for measuring the age of earth?
Correct answer: Uranium process
Q1124.Which one of the following statements is correct?
Correct answer: Viroids consist of singlestranded RNA molecules
Q1125.One carbon credit is equivalent to
Correct answer: 1000 kg of CO2
Q1126.Which one of the following types of glass can cut off ultraviolet rays?
Correct answer: Crookes glass
Q1127.With which of the following is BRIT (Government of India) engaged?
Correct answer: Isotope Technology
Q1128.Which one among the following is called philosopher’s wool?
Correct answer: Zinc Oxide
Q1129.A pungent smell often present near the urinals is due to
Correct answer: Ammonia
Q1130.Which one of the following chemicals had been in use till now for making artificial clouds?
Correct answer: Silver Iodide
Q1131.The substance used for artificial rain is
Correct answer: Silver iodide
Q1132.Amount of rain depends on
Correct answer: Humidity in atmosphere
Q1133.Which one of the following pairs is correctly matched?
Correct answer: Zinc Phosphide - Rat poison
Q1134.Methane is present in the atmosphere of
Correct answer: Mars
Q1135.Which one of the following is called the ‘metal of future’?
Correct answer: Titanium
Q1136.Which one of the following is not correctly matched?
Correct answer: Silver - Electric bulb
Q1137.Chemically ‘Vermillion’ is
Correct answer: Mercuric Sulphide
Q1138.Which is used in Dry Washing?
Correct answer: All of these
Q1139.‘Red Ink’ is prepared from
Correct answer: Eosin
Q1140.Which one of the following colours is supplied by Sodium Chromate?
Correct answer: Red