1.
The maximum emission of pollutants from fuel sources in India is caused by :

2.
Which one of the following articles of the constitution of India safeguards the rights of minorities to establish and run educational institutions of their own liking?

3.
A researcher divides his population into groups and fixes the size of the sample from each group. It is an example of

4.
The experimental study is based on the law of

5.
Which of the following is a non-probability sample?

6.
The process not needed in experimental research is

7.
Which technique is generally followed when the population is finite?

8.
A teacher encounters various problems during his professional career. He should

9.
A researcher selects only 10 members from the total population of 50,000 as a sample. His research can be considered to be good if

10.
An example of scientific knowledge is

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