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Methane is present in the atmosphere of which of the following?
Comprehensive collection of questions from General Science asked in recent state service examinations. Each question is verified with official answer keys and step-by-step bilingual solutions.
Methane is present in the atmosphere of which of the following?
Carbon dating is used to determine the age of:
Which of the following compounds is used in manufacturing fire-proof fabric?
The gas released upon opening a bottle of soda water is:
Which of the following is used as a mosquito repellent?
Which one of the following is called Philosopher's Wool?
Which of the following is related to soil?
The isotope $^{14}C$ is associated with:
Which of the following is used as a rat poison (rodenticide)?
Match List-I with List-II and select the correct answer using the code given below the lists: List-I List-II A. Acetone 1. Fire extinguisher B. Carbon tetrachloride 2. Nail polish remover C. Hydrogen peroxide 3. Wound dressing / Antiseptic D. Liquid ammonia 4. Refrigerant Code:
Which of the following is NOT correct?
Which of the following is used in the manufacture of safety matches?
Consider the following assertion and reason and select the correct answer using the code given below: Assertion (A): Ozone kills microorganisms in water. Reason (R): Ozone is not radioactive. Code:
Which chemical acts as an alkaline soil amendment/reclaimer?
Who discovered/synthesized Carbon Nanotubes (CNTs)?
Pyrethrin used in mosquito coils is obtained from:
'Red ink' is prepared from:
Which one of the following pairs is NOT correctly matched?
Which of the following chemicals is used in artificial rain?
Radioactive dating is a process by which one can measure:
From a chemical standpoint, Sindoor is:
Match List-I with List-II and select the correct answer using the code given below the lists: List-I (Substance) List-II (Application) A. Blue vitriol 1. Artificial rain B. Eosin 2. Fungicide C. Silver iodide 3. Red ink D. Zinc phosphide 4. Rodenticide Code:
Which type of glass cuts off ultraviolet rays?
Which of the following is adopted for dating archaeological specimens of wood, bone and shell?
A team of scientists at Brookhaven National Laboratory including Indian scientists created the heaviest antimatter nucleus (anti-helium). What is/are the implication(s) of the creation of antimatter? 1. It will make mineral prospecting and oil exploration easier and less expensive. 2. It will help probe the possibility of the existence of stars and galaxies made of antimatter. 3. It will help understand the evolution of the universe. Select the correct answer using the code given below: