GK Questions and Answers, General Knowledge Quiz
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 = 2R<sub>1</sub>
2) 3R = 2R<sub>2</sub>
3) 2R = 3R<sub>1</sub>
4) 2R = 3R<sub>2</sub>
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
Q. Which one of the following is the mechanism of action of oral contraceptive pills?
1) They kill the egg
2) They kill the sperm
3) They kill the zygote
4) They inhibit the release of an egg
Q. Which one of the following statements is not correct?
1) Most carbon compounds are good conductors of electricity
2) Bonding in organic compounds is covalent
3) Graphite is used as a lubricant
4) Diamond is an allotrope of carbon
Q. Which one of the following statements about fertilizers is not correct?
1) Urea is a phosphorous-containing fertilizer
2) Application of fertilizer to the soil increases the fertility of the soil
3) Urea can be prepared by the action of ammonia and carbon dioxide under high pressure and at high temperature
4) Urea contains more nitrogen than other fertilizers
Q. Which one of the following is not a pigment?
1) Zinc oxide
2) Chalk
3) White lead
4) Silica
Q. Which one of the following is the colour of hydrogen gas?
1) Light yellow
2) Orange
3) Black
4) Colourless
