General Science - Online Test
Q1. The amount of labour that workers are willing to offer corresponding to a particular wage rate called
Answer : Option B
Explaination / Solution:
The labour supply is the total hours (adjusted for intensity of effort) that workers wish to work at a given real wage rate. It is frequently represented graphically by a labour supply curve, which shows hypothetical wage rates plotted vertically and the amount of labour that an individual or group of individuals is willing to supply at that wage rate plotted horizontally.
Q2. A body of mass 5 kg is acted upon by two perpendicular forces 8 N and 6 N. Give the magnitude and direction of the net force acting on the body.
Answer : Option C
Explaination / Solution:
Let F1 = 8N & F2 = 6 N.
then the resultant force is
=
= 10N
The direction is determined as
= 6/8
therefore
Q3.
Name the following amine as per the IUPAC system
Answer : Option B
Explaination / Solution:
This is 2-bromo-N-methylaniline.
Q4. In a woman, pelvis is larger and has broader front than a man. It is :
Answer : Option D
Explaination / Solution:
In a woman, pelvis is larger and has broader front than a man. It is an adaptation for gestation and parturition during pregnancy.
Q5. Which out of the following is advantage of chemical safety testing on transgenic animals?
Answer : Option C
Explaination / Solution:
Transgenic animals are made to carry gene that make them sensitive to toxic substance than non-transgenic animals and exposed to toxic substance. Toxicity testing in transgenic animals allows us to obtain results in less time.
Q6. One example where technology predates science is
Answer : Option C
Explaination / Solution:
Thomas Newcomen's atmospheric engine was the first commercial true steam engine using a piston, and was used in 1712 for pumping in a mine. They became popular for mining and 104 were in use by 1733, eventually over two thousand of them were installed.
In1781 Scottish engineer James Watt patented a steam engine that produced continuous rotary motion. Watt's ten-horsepower engines enabled a wide range of manufacturing machinery to be powered. The engines could be sited anywhere that water and coal or wood fuel could be obtained.
Q7.
Answer : Option D
Explaination / Solution:
sodium is oxidized and hydrogen is reduced.
Q8.
Statement I: Infection or diseases transmitted through sexual intercourse are called sexually transmitted disease or venereal disease.
Statement II: Tuberculosis is a sexually transmitted disease caused by bacteria.
Statement III: Hepatitis B is transmitted by use of contaminated water.
Answer : Option D
Explaination / Solution:
Infection or diseases transmitted through sexual intercourse are called sexually transmitted disease or venereal disease. Tuberculosis is not transmitted by sexual intercourse, so it is not a STD.
Hepatitis B infection is caused by the hepatitis B virus (HBV). The virus is passed from person to person through blood, semen or other body fluids. Common ways HBV is transmitted include: Sexual contact
Q9. Can the net factor income earned from abroad be negative?
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. A metal plate of thickness half the separation between the capacitor plates of capacitance C, is inserted between the plates. The new capacitance is
Answer : Option D
Explaination / Solution:
The capacitance C of a parallel plate capacitor is given by A metal plate of thickness d/2 when introduced between the plates reduces the distance between the plates to d/2. The effective capacitance becomes
Another explanation: The system can be considered to be three capacitors , , and connected in series.
K of a metal is infinity. . The equivalent capacitance
Another explanation: The system can be considered to be three capacitors , , and connected in series.
K of a metal is infinity. . The equivalent capacitance
