CSS - PMS - CCE - PCS - General Science
Waves & Sound - Sound Waves
When the same note is played on a sitar and a flute, the sound produced can be distinguished from each other because of the difference in
A. Pitch, loudness and quality
B. Pitch and loudness
C. quality only
D. Loudness only
CSS - PMS - CCE - PCS - General Science
Environment
Which one of the following fuels causes minimum environmental pollution?
A. Diesel
B. Coal
C. Hydrogen
D. Kerosene
CSS - PMS - CCE - PCS - General Science
Modern Physics - Nuclear Energy
The difference between a nuclear reactor and atomic bomb is
A. No chain reactions take place in nuclear reactor while in atomic bomb there is a chain reaction
B. The chain reaction in nuclear reactor is controlled
C. The chain reaction in nucleare reactor is not controlled
D. No chain reaction takes place in atomic bomb while it takes place in nuclear reactor
CSS - PMS - CCE - PCS - General Science
Light (Optics) - Lenses
An air bubble in water can act like a
A. Convex Mirror
B. Convex Lens
C. Concave Mirror
D. Concave Lens
CSS - PMS - CCE - PCS - General Science
Modern Physics - X-rays
Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?
A. Micrsocope
B. Lead Plate
C. Scintillation Counter
D. Spectrophotometer
CSS - PMS - CCE - PCS - General Science
Electricity & Magnetism - Generators
Cryogenic Engines find applications in
A. Sub-marine propulsion
B. Frost-Free refrigerators
C. Rocket Technlogy
D. Researches in Superconductivity
CSS - PMS - CCE - PCS - General Science
Electricity & Magnetism - Generators
Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shaves etc?
A. Nickle and Cadmium
B. Zinc & Carbon
C. Lead Peroxide & Lead
D. Iron & Cadmium
Correct Answer: A
Chargeable (rechargeable) batteries used in devices like torch lights, electric shavers, and portable tools are commonly Nickel–Cadmium (Ni-Cd) batteries.
CSS - PMS - CCE - PCS - General Science
Modern Physics - Nuclear Energy
Suppose a rocket ship is receding from the earth at a speed of 2/10th the velocity of light. A light in the rocket ship appears blue to the passengers on the ship. What color would it appear to an observer on the earth.
A. Yellow
B. Orange
C. Yellow-Orange
D. Blue
CSS - PMS - CCE - PCS - General Science
Photosynthesis
Most of the desert plants bloom during night time because:-
A. Their blooming is controlled by low temperature
B. The desert insects are active during night time
C. The desert insects eact away flowers during daytime
D. They are sensitive to the phases of moon
CSS - PMS - CCE - PCS - General Science
Diseases
Which one of the following antimicrobial drugs is suitable for treatment of both tuberculosis and leprosy?
A. Isoniazid
B. Rifampicin
C. Streptomycin
D. P-aminosaliclic acid
CSS - PMS - CCE - PCS - General Science
Blood System
A person with 'AB' blood group is sometimes called a universal recipient because of the
A. Presence of antibodeis in his blood
B. Lack of antibodies in his blood
C. Lack of both antigens and antibodies in his blood
D. Lack of atnigen in his blood
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Fertilizers
This is Paid
A. 4
B. 3
C. 2
D. 1
CSS - PMS - CCE - PCS - General Science
Applied Chemistry - Explosives
THis is exactly what you want
A. 1
B. 2
C. 3
D. 4