General Science - Online Test
Q1. Which of these materials have high coefficients of volume expansion ?
Answer : Option C
Explaination / Solution:
Alcohal has higher coefficient of volume expansion in comparison to glass and Invar.
Q2. Money costs mean
Answer : Option A
Explaination / Solution:
No Explaination.
Q3. Carbon monoxide is one of the most dangerous air pollutants and is produced as a result of :
Answer : Option D
Explaination / Solution:
Carbon monoxide is produced by incomplete combustion of carbon, firewood, petrol.
The reaction is as follows :
2C + O2 -----> 2CO
Q4. Maximum oxidation state is shown by
Answer : Option D
Explaination / Solution:
Os shows maximum oxidation state of +8.
Q5. Formula for calculating correlation from the assumed mean method is
Answer : Option B
Explaination / Solution:
This is the correct formula to calculate Karl Pearson's correlation coefficient. It will take a value ranging from -1 to +1. Positive values of correlation coefficient indicate positive relationship between the two variables, while negative values are indicative of a negative relationship.
Q6. Which among the following schemes was started in the year 2000 for the indigent senior citizens?
Answer : Option D
Explaination / Solution:
he "Annapurna Scheme" had been announced by the Finance Minister in his Budget Speech for the year 1999-2000 to provide food security to those indigent senior citizens who are not covered under the targeted Public Distribution System (PDS) and who have no income of their own. Through the new "Annapurna" scheme, it is intended to provide 10 kgs. of foodgrains per month free of cost to all such person who are though eligible for old age pension under NOAPS, are presently not receiving it.
Q7. Largest unicellular organism is
Answer : Option A
Explaination / Solution:
Acetabularia is a genus of green algae, specially of Polyphysaceae family. It is the largest unicellular organism.
Q8. In certain bacteria, the glycocalyx is forms into loose sheath layer is called as
Answer : Option A
Explaination / Solution:
Glycocalyx differs in composition and thickness among different bacteria. It could be a loose sheath called the slime layer in some, while in others it may be thick and tough called the capsule. The cell wall determines the shape of the cell and provides a strong structural support.
Q9. Under which method investigator prepare a questionnaire keeping in view the objective of enquiry?
Answer : Option D
Explaination / Solution:
It is done to make the questions easy, simple, and understandable so that the informant can answer without any help.
Q10. A UN Conference on Climate Change, held in _____ in 1997, resulted in an international agreement to fight global warming which called for reductions in emissions of greenhouse gases by industrialised nations
Answer : Option C
Explaination / Solution:
No Explaination.
