General Science - Online Test
Q1.
If is the final size, is initial size, r is growth rate and t is time of growth than Exponential growth is represented by
Answer : Option A
Explaination / Solution:
Exponential growth is represented by initial size and growth rate and time. If is the final size, is the initial size, r is growth rate and t is the time of growth than exponential growth is
Q2. According to Bohr model allowed values of angular momentum are
Answer : Option B
Explaination / Solution:
No Explaination.
Q3. Example of interspecific hybrid is
Answer : Option C
Explaination / Solution:
Tigon and liger are produced by hybridization of tow interspecific species. Although hybridization generally takes place between same species.
Q4. Which of the following method is not a synthetic method for production of Benzene?
Answer : Option A
Explaination / Solution:
Since isolation of benzene from coal tar involves separation of benzene from other components through a physical operation "fractional distillation" , it is NOT a synthetic method for production of benzene.
Q5. Amalgam of mercury with sodium is an example of
Answer : Option B
Explaination / Solution:
Solute is mercury( liquid) and solvent is sodium.
Q6. The basic problem the Indian economy is facing is shortage of
Answer : Option C
Explaination / Solution:
Scarcity of resources is one of the basic problems faced by Indian economy. Man made resources is the basic problem faced by economy.
Q7. Which among the following is miscible in each other?
Answer : Option A
Explaination / Solution:
Methanol and Water both are Polar. There is intermolecular Hydrogen Bonding interaction.
Q8. Perspective plan is
Answer : Option C
Explaination / Solution:
It refers to long-term planning in which long range targets are set in advance for a period of 15, 20, or 25 years.
Q9. Which plant can propagated Vegetatively by leaf
Answer : Option A
Explaination / Solution:
Bryophyllum plants grow in marshy areas where seeds are not able to germinate. The leaf margin of Bryophyllum contains numerous plantlets before falling on muddy land.
Q10. Which of the following ecosystem services cost maximum
Answer : Option A
Explaination / Solution:
Soil formation accounts for about 50% of total cost of ecosystem services. Nutrient cycling and recreation accounts for about 10% of all ecosystem services.
