General Science - Online Test
Q1.
The compound formed as a result of oxidation of ethyl benzene by is
Answer : Option C
Explaination / Solution:
Alkyl benzene on oxidation with give benzoic acid.
Q2. The most urgent problem which prompted the introduction of the New Economic Policy in 1991 was
Answer : Option B
Explaination / Solution:
Foreign Exchange Reserves had fallen to unmanageable levels, the government was not able to generate revenue from taxation due to rampant tax evasion and the public sector was also not reporting high incomes.
Q3. Autonomous Items are also called
Answer : Option A
Explaination / Solution:
No Explaination.
Q4. Arrange the following steps to find out standard deviationsa. Find out deviations b. Assume the centre value of the seriesc. Square the deviationsd. Multiply these deviations by frequencies e. Multiply the square deviation by the respective frequencies and obtain the total Options are
Answer : Option B
Explaination / Solution:
No Explaination.
Q5.
A vessel at 1000 K contains with a pressure of 0.5 atm. Some of the is converted into CO on the addition of graphite. If the total pressure at equilibrium is 0.8 atm, the value of K is
Answer : Option A
Explaination / Solution:
Q6. Plant load factor measures operational efficiency of a
Answer : Option C
Explaination / Solution:
PLF determines the exact loadability of the thermal power plant. Indirectly, it gives the performance of the power plant.
Q7. Special structures found on margins and tips of leaves made of parenchyma tissue and water pores through which guttation take place.
Answer : Option D
Explaination / Solution:
A hydathode is a type of secretory tissue in leaves, commonly found in angiosperms, that secretes water through pores in the epidermis or leaf margin, typically at the tip of a marginal tooth or serration.
Q8. The crystals of ferrous sulphate on heating give
Answer : Option D
Explaination / Solution:
FeSO4 on heating gives Fe2O3+SO2+SO3+H2O.
Q9. Assertion: Ovule develops into mature seeds and ovary develops into fruits.
Reason: The fruits that develop only from ovary are called true fruits.
Reason: The fruits that develop only from ovary are called true fruits.
Answer : Option A
Explaination / Solution:
Ovule develops to form seeds and mature ovary develops into fruits. The fruits that develop only from ovary are called true fruits and those who contain other parts of flower are called false fruits.
Q10. A house has well-insulated walls. It contains a volume of 100 of air at 300 K. Calculate the energy required to increase the temperature of this air by 1.00C.
Answer : Option A
Explaination / Solution:
Q=nCPΔT=72RnΔT=72(PVT)ΔTQ=72×(1.01×105×100300)×1=118KJ
