General Science - Online Test
Q1. Which of the following pollutants can degrade by natural processes :
Answer : Option A
Explaination / Solution:
Vegetables have cell walls made up of cellulose which is a natural polymer and thus is bio-degradable, so they breakdown by natural processes.
Q2. Which among the following is the coinage metal?
Answer : Option A
Explaination / Solution:
Cu , Ag ,Au are known as coinage metals.
Q3. If the coefficient correlation exactly equals to -1 then it will be effect
Answer : Option C
Explaination / Solution:
Because a negative value of correlation indicates an inverse relation.
Q4. AAY stands for
Answer : Option C
Explaination / Solution:
Antyodaya Anna Yojana (AAY) is a Government of India sponsored scheme to provide highly subsidised food to millions of the poorest families. It was launched by the [NDA] government on 25 December 2000 and first implemented in the Indian state of Rajasthan.
Q5. Laminaria and Fucus belong to
Answer : Option B
Explaination / Solution:
The common forms of Brown algae or Phaeophyceae are Ectocarpus, Dictyota, Laminaria, Sargassum and Fucus.2
Q6. Select the incorrect matching
Answer : Option C
Explaination / Solution:
Mitochondria contain cristae, finger like projection of inner layer, thylakoid is present in chloroplast and lysosome is a digestive enzyme but RNA is absent in Chromosome.
Q7. Following are the method of collecting primary data except _____.
Answer : Option A
Explaination / Solution:
It is a type of Restricted Random Sampling.
Q8. ______ resources are those which can be used without the possibility of the resource becoming depleted or exhausted.
Answer : Option B
Explaination / Solution:
Renewable resources are those which can be used without the possibility of the resource becoming depleted or exhausted, i.e. a continuous supply of the resource remains available. For e.g. trees in the forests and fishes in the oceans.
Q9. There is no DNA in
Answer : Option D
Explaination / Solution:
Because of the lack of nuclei and organelles, mature red blood cells do not contain DNA and cannot synthesize any RNA, and consequently cannot divide and have limited repair capabilities. The inability to carry out protein synthesis means that no virus can evolve to target mammalian red blood cells.
Q10. Potentiometer measures the potential difference more accurately than a voltmeter, because
Answer : Option D
Explaination / Solution:
Potentiometer measures the potential difference using null deflection method, where no current is drawn from the cell; whereas voltmeter needs a small current to show deflection. So, accurate measurement of p.d is done using a potentiometer.
