Q. When did Charaka Samhita originate?
1) 6th Century BCE
2) 3rd to 2nd Century BCE
3) 4th Century BCE
4) 5th Century BCE
Q. Arthashastra, the classical work of Indian political thought, focuses primarily on -
1) economy
2) culture
3) statecraft
4) monarchy
Q. Why are the tires of aircraft made of conducting rubber?
1. So that the charge accumulated on the aircraft in flight, by rubbing the air, can easily be transferred to the ground on landing.
2. So that the charge accumulated due to the operation of various electronic equipment in the aircraft in flight can easily be transferred to the ground on landing.
Select the correct answer using the code given below -
1) Only 1
2) Only 2
3) Both 1 and 2
4) Neither 1 nor 2
Q. A wooden box of mass 2 kg and dimensions (30 cm x 15 cm x 10 cm) is placed on a table with sides 30 cm and 10 cm touching the tabletop. Which one of the following is the approximate pressure exerted on the table?
1) 111.1 N/m2
2) 222.2 N/m2
3) 333.3 N/m2
4) 666.6 N/m2
Q. What is the magnification produced by a concave lens of focal length 10 cm, when an image is formed at a distance of 5 cm from the lens?
1) 2.0
2) 1.0
3) 0.5
4) 0.33
Q. Two resistors R1and R2 arranged in parallel combination in an electrically closed circuit are made of the same material and of the same thickness. If the length of R2 is twice the length of R1,then the total resistance R satisfies -
1) 3R = 2R1
2) 3R = 2R2
3) 2R = 3R1
4) 2R = 3R2
Q. According to Fleming's right-hand rule, if the forefinger indicates the direction of the magnetic field and the thumb shows the direction of motion of the conductor, then the stretched middle finger will predict the direction of -
1) force acting on the conductor
2) electric field
3) induced current
4) current
Q. All objects experience a buoyancy when they are immersed in a fluid. Buoyancy is -
1) a downward force
2) a downward pressure
3) an upward force
4) an upward pressure
Q. A cell is unable to synthesize lipids. Which .of its cell organelles might be defective?
1) Smooth endoplasmic reticulum
2) Golgi bodies
3) Lysosomes
4) Mitochondria
Q. Which one of the following plants has unisexual flowers?
1) Papaya
2) Hibiscus
3) Mustard
4) Sunflower
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