General Science - Online Test
Q1. Formation of coloured solution is possible when metal ion in the compound contains
Answer : Option A
Explaination / Solution:
Color in complex arises due to the presence of unpaired electrons in the system when complex reaction takes place.
Q2. Sexually transmitted disease can be transmitted through sharing of injection or from mother to foetus is
Answer : Option A
Explaination / Solution:
AIDS can be transmitted from infected partner to healthy partner during sexual intercourse. Beside this this syndrome can be transmitted from infected mother to their child and through sharing of injection and blood transfusion.
Q3. The current in a series LCR circuit excited by AC of frequency ω is in general
Answer : Option D
Explaination / Solution:
The above expression is for instantaneous value of current in an AC Circuit and since in an LCR circuit current is same across the circuit, the above expression holds valid for the entire LCR series circuit.
Q4. Consumption goods are those which are bought to satisfy wants
Answer : Option D
Explaination / Solution:
No Explaination.
Q5. Which is true for F – centers?
Answer : Option B
Explaination / Solution:
The paired electron can get excited and on returning back to ground state it emits light thus imparts color
Q6. Utility is measured in terms of?
Answer : Option D
Explaination / Solution:
No Explaination.
Q7.
If R is the radius of a spherical conductor, the dielectric strength, maximum electric-field magnitude to which it can be raised is
Answer : Option A
Explaination / Solution:
Dielectric strength is the maximum electric field intensity the medium can bear without suffering a breakdown. The electric field intensity has a maximum value on the surface of the spherical conductor, therefore,
Q8. Choose the most appropriate among the following for Bakelite
Answer : Option A
Explaination / Solution:
Bakelite undergoes extensive cross linking.
Q9. At what temperature white phosphorous changes to red phosphorous?
Answer : Option D
Explaination / Solution:
White phosphorus when heated to 573 K in an inert atmosphere for several days red Phosphorus is obtained.
Q10. The instrument used for measuring rate of transpiration is
Answer : Option D
Explaination / Solution:
Potometer is used for measuring rate of transpiration in plant. Loss of water in form of water vapour is called transpiration.
Repeated question
