General Science - Online Test
Q1. Longitudinal waves cannot be propagated through
Answer : Option A
Explaination / Solution:
No Explaination.
Q2. In our society women are blamed for producing female children as the growth and development of child occurs inside the mother womb. This statement is
Answer : Option B
Explaination / Solution:
Women are not responsible for sex of child because they produce only one kind of gamete containing X-sex chromosome, on the other hand male produce two kinds of sperms half containing X and half Y sex chromosome.
Q3. Under which market situation demand curve is linear and parallel to X-axis?
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. Human insulin is being commercially produced from a transgenic species of
Answer : Option C
Explaination / Solution:
Human insulin is artificially prepared chemicals used by diabetic patients. This hormone is obtained from genetically engineered Escherichia bacterium that can reproduce rapidly.
Q5. The enthalpies of elements in their standard states are taken as zero. The enthalpy of formation of a compound
Answer : Option C
Explaination / Solution:
Enthapy of formation of a compound from elements in standard state can b +ve or –ve.
Q6. In which of the following substances will hydrogen bond be strongest?
Answer : Option A
Explaination / Solution:
Out of all H2O will form strongest hydrogen bonding due to high electronegativity of O.
Q7. Assume that a motor in which the coils have a total resistance of 10Ω is supplied by a voltage of 120 V. When the motor is running at its maximum speed, the back emf is 70 V. Current in the coils when the motor is turned on and when it has reached maximum speed are
Answer : Option B
Explaination / Solution:
when motor is turned on
when it has reached maximum speed, the back emf is 70 V then current will be
Q8. It is necessary to use satellites for long distance TV transmission because
Answer : Option D
Explaination / Solution:
No Explaination.
Q9. In which conference held in 1997, the rich nations have agreed to limit the emission of green house gases.
Answer : Option C
Explaination / Solution:
The Kyoto Protocol was adopted in Kyoto, Japan, on 11 December 1997
The Kyoto Protocol is an international agreement linked to the United Nations Framework Convention on Climate Change, which commits its Parties by setting internationally binding emission reduction targets.
Recognizing that developed countries are principally responsible for the current high levels of GHG emissions in the atmosphere as a result of more than 150 years of industrial activity, the Protocol places a heavier burden on developed nations under the principle of "common but differentiated responsibilities."
Q10.
IUPAC name of (CH3)3CCl
Answer : Option B
Explaination / Solution:
Longest chain will be of three carbon to which Cl and CH3 will be attached at 2 position.
