General Science - Online Test
Q1. The difference between nuclear forces and electromagnetic forces is that
Answer : Option A
Explaination / Solution:
The nuclear force does not depend upon the charge of nucleons.Nuclear forces usually depend upon the velocity of the nucleons.
Q2. What is the moment of inertia of a thin rod of length L and mass M about an axis passing through one end and perpendicular to its length?
Answer : Option D
Explaination / Solution:
Using theorem of parallel axis, the axis is shifted by L/2 distance from centre of Mass where the Moment of Inertia is ML2/12, thus the moment of inertia of a thin rod about an axis passing through one end and perpendicular to its length is ML2/12 + ML2/4 =
Q3. A capillary tube remains dipped in a water container, so that loss in weight of the capillary tube is
Answer : Option D
Explaination / Solution:
No Explaination.
Q4. Calculate the hydrogen ion concentration in the human blood whose pH is 7.38.
Answer : Option A
Explaination / Solution:
pH=-log[]
Q5. The ciliated columnar epithelium cells in human are known to occurs in
Answer : Option B
Explaination / Solution:
Ciliated columnar epithelium cells in human occur in bronchioles and fallopian tube. They contain small hair like cilia on free surface. This helps to move egg in to fallopian tube. In bronchioles it helps to move mucus or dust particles.
Q6. Diener discovered
Answer : Option A
Explaination / Solution:
T.O. Diener discovered a new infectious agent that was smaller than viruses and caused potato spindle tuber disease.
It was found to be a free RNA.
it lacked the protein coat that is found in viruses, hence the name viroid.
Q7. n-propyl bromide on treating with alcoholic KOH produces
Answer : Option C
Explaination / Solution:
Elimination reaction takes place.
Q8. Fiscal policy of the government
Answer : Option C
Explaination / Solution:
Fiscal policy is the revenue (which comes from taxation) and expenditure policy of the government.
Q9. Currency depreciation occurs when
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. The symbol σ is used to represent
Answer : Option D
Explaination / Solution:
No Explaination.
