General Science - Online Test
Q1. Which among the following is an example of liquid in solid?
Answer : Option A
Explaination / Solution:
Hydrated salts have water molecule of hydration as solute.
Q2. The objective of Self reliance in planning means reducing dependence
Answer : Option C
Explaination / Solution:
The motive of self reliance is to attain self sufficiency and use its own resources rather than be dependent on others.
Q3. Which of the following is not correct about artificial means of vegetative propagation
Answer : Option B
Explaination / Solution:
During vegetative propagation, new organisms are formed by single plant parts. So, new individuals are genetically similar to each other and there is no genetic variation.
Q4. The scientist who put price tag of US$ 33 trillion a year for nature’s life-support services was
Answer : Option C
Explaination / Solution:
Robert Costanza is the director and founder of the Gund Institute for Ecological Economics at the University of Vermont, and cofounder of the International Society for Ecological Economics.
In 1997, Costanza and his colleagues made news headlines around the world with a paper, published in the British journal Nature, that estimated the annual net worth of the biosphere: $33 trillion, a figure greater than the annual gross national products (GNP) of all the world’s economies combined.
Q5. Loan by govt.
Answer : Option B
Explaination / Solution:
No Explaination.
Q6. Which measure of central tendency takes into account the magnitude of scores?
Answer : Option D
Explaination / Solution:
Measures of central tendency describe the distribution of scores around a midpoint. The mean is the most commonly used measure of central tendency
Q7. The fundamental cause of unemployment from the labour demand angle is
Answer : Option B
Explaination / Solution:
when consumer demand for a product or service declines there can be a corresponding reduction in supply production to compensate. As the supply levels are reduced, fewer employees are required to meet the lower standard of production volume.
Q8.
Give the magnitude and direction of the net force acting on a stone of mass 0.1 kg lying on the floor of a train which is accelerating with 1 m , the stone being at rest relative to the train. Neglect air resistance.
Answer : Option B
Explaination / Solution:
Weight of the stone is balanced by the reaction of the floor. The only acceleration is provided by the horizontal motion of the train.
a = 1ms-2
force in horizontal direction
F = ma = 0.1 x 1 = 0.1N
Q9. Heating a(n) __________ results in a Cope elimination.
Answer : Option D
Explaination / Solution:
Heating of Amine oxide result in cope elimination cis elimination.
Q10. Technology is concerned with
Answer : Option A
Explaination / Solution:
Technology is the making, modification, usage, and knowledge of tools, machines, techniques, crafts, systems, and methods of organization, in order to solve a problem, improve a pre-existing solution to a problem, achieve a goal, handle an applied input/output relation or perform a specific function. It can also refer to the collection of such tools, including machinery, modifications, arrangements and procedures.
