General Science - Online Test
Q1. in every conservation principle
Answer : Option C
Explaination / Solution:
In physics, a conservation law states that a particular measurable property of an isolated physical system does not change as the system evolves over time. Exact conservation laws include conservation of energy, conservation of linear momentum, conservation of angular momentum, and conservation of electric charge.
Q2. Blood consists of
Answer : Option B
Explaination / Solution:
Blood is a fluid connective tissue containing plasma. It contains red blood cells (RBC), white blood cells (WBC) and platelets suspended in the plasma.
Q3. Which is NOT the characteristic of viroids?
Answer : Option A
Explaination / Solution:
Viroids are 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. The RNA of the viroid was of low molecular weight.
Q4. Presence of a nitro group in a benzene ring
Answer : Option B
Explaination / Solution:
This is because the Nitro is electron withdrawing group,it pulls the electron density from the ring towards itself thereby decreasing the electron density in the ring and deactivating the ring towards attack by the electrophile.
Q5. Industrial policy of 1991 was
Answer : Option B
Explaination / Solution:
The industrial policy of 1991 dereserved many of the industries which were previously reserved only for the public sector allowing the entry of the private sector. There are only 3 industries which are now reserved for the public sector.
Q6. Identify one of the types of balances in BOP account
Answer : Option D
Explaination / Solution:
No Explaination.
Q7. Which of the following is false regarding Dispersion
Answer : Option C
Explaination / Solution:
Dispersion (also called variability, scatter, or spread) is the extent to which a distribution is stretched or squeezed. Common examples of measures of statistical dispersion are the variance, standard deviation, and interquartile range. Dispersion is contrasted with location or central tendancy, and together they are the most used properties of distributions.
Q8. 0.023 g of sodium metal is reacted with of water. The pH of the resulting solution is ______.
Answer : Option A
Explaination / Solution:
Moles of NaOH formed = 0.023/23 =0.001 Conc of NaOH=0.001x1000/100 =0.01 pOH=-log[OH-] =2 pH=14-2=12
Q9. PLF stand for
Answer : Option A
Explaination / Solution:
PLF determines the exact loadability of the thermal power plant. Indirectly, it gives the performance of the power plant.
Q10. Which of the following is soluble in turpentine oil?
Answer : Option D
Explaination / Solution:
Oxygen is soluble in turpentile oil.
