General Science - Online Test
Q1. is dissolved in water to give 500 mL of solution. The pH of the solution is
Answer : Option C
Explaination / Solution:
pOH=-log[] and here [OH-] = (0.3 x 1000)/(74 x500) While pH=14-pOH
Q2. The matrix of bone and cartilage can be distinguished by the presence of
Answer : Option D
Explaination / Solution:
The matrix of bone and cartilage differ by the presence of haversian canal that makes bone hard and stiff. On the other hand, cartilage are flexible.
Q3. The genetic material of virus is
Answer : Option C
Explaination / Solution:
Most viruses have either RNA or DNA as their genetic material. The nucleic acid may be single- or double-stranded.
The entire infectious virus particle, called a virion, consists of the nucleic acid and an outer shell of protein.
Q4. One mole of a symmetrical alkene on ozonolysis, and subsequent treatment with ( Zn / H2 O ) gives two moles of an aldehyde having a molecular mass of 44 u.
The alkene is ---------.?
Answer : Option D
Explaination / Solution:
Ozonolysis of alkenes involves the addition of ozone molecule to alkene to form an unstable ozonide , and then cleavage of the ozonide by to smaller molecules .
2- butene is a symmetrical alkene , which on ozonolysis yields two moles of having molecular mass of 44 u. as per reaction given below,
Q5. CRR is
Answer : Option C
Explaination / Solution:
Cash Reserve Ratio (CRR) is the amount of funds that the banks have to keep with the RBI.
Q6. A component of current account of the BOP account is
Answer : Option A
Explaination / Solution:
Current account of balance of payment is trade balance & trade balance includes exports and imports of goods and services.
Q7. Calculate the standard deviation for the following data - 5, 8, 7, 11, 14
Answer : Option B
Explaination / Solution:
No Explaination.
Q8. Ammonia is used in detection of
Answer : Option D
Explaination / Solution:
Copper ions react with NH3 to form a blue color complex.
Q9. Which of the following is false regarding consumption pattern of commercial energy
Answer : Option B
Explaination / Solution:
At present, commercial energy consumption makes up about 65 per cent of the total energy consumed in India. This includes coal with the largest share of 55 per cent, followed by oil at 31 per cent, natural gas at 11 per cent and hydro energy at 3 per cent.
Q10. Symplastic movement is aided by
Answer : Option B
Explaination / Solution:
Symplastic movement may be aided by cytoplasmic streaming. We can observed cytoplasmic streaming in cells of the Hydrilla leaf.
