General Science - Online Test
Q1. Animal and plant life in lakes and ponds are not destroyed because
Answer : Option D
Explaination / Solution:
As and when water is cooled down to its freezing point the thickness T of the ice layer increases. The increase in thickness of ice decreases the rate of cooling of water and thus freezing process slows down.
Q2. Implicit costs are
Answer : Option B
Explaination / Solution:
No Explaination.
Q3. A given compound always contains exactly the same proportion of elements by weight. This law is stated by
Answer : Option D
Explaination / Solution:
The observation was first made by French chemist Joseph Proust , based on certain experiments conducted between 1798 and 1804.
Proust made the above statement known as " Proust's law " or " Law of definite composition " or " Law of constant composition "
Q4. Inadequate pollution control equipments result in the :
Answer : Option C
Explaination / Solution:
Inadequate pollution control equipments release greater amount of carbon monoxide that increases the pollution even further.
Q5. Which of the following sublimes on heating?
Answer : Option A
Explaination / Solution:
HgCl2 sublimes on heating.
Q6. Which method of measuring correlation measures any type of relationship?
Answer : Option B
Explaination / Solution:
Only karl Pearson method shows relation between two variables and spearman correlation shows ordinal aspects of the variables
Q7. Those who regularly move in and out of poverty like small farmers are called
Answer : Option A
Explaination / Solution:
Churning poor are those who regularly move in and out of the poverty line. It is a sub classification of transient poor. Transient poor includes the people who keeps on floating on the poverty line. If these people get the employment, they will move above the poverty line.
Q8. An algae with ribbon shaped chloroplast
Answer : Option B
Explaination / Solution:
Spirogyra is an algae that have long thread like structure having ribbon shaped chloroplast. Spirogyra is found in stagnant water forming green layer around the surface called pond scum.
Q9. The rod shaped bacteria is called as
Answer : Option B
Explaination / Solution:
The shapes of bacteria are bacillus (rod like), coccus (spherical), vibrio (comma shaped) and spirillum (spiral).
Q10. Which of the following is true regarding secondary source of data?
Answer : Option A
Explaination / Solution:
When the data is collected by an individual or an organisation and another individual or organisation use that data , this data will termed as secondary data. The objective of collection may vary amongst the investigating and using organisation.
