General Science - Online Test
Q1. Diagrammatically AC has a U shape. The statement is
Answer : Option C
Explaination / Solution:
No Explaination.
Q2. A washer consists of a 3.00 cm diameter circle of sheet metal with a 1.00 cm diameter circular hole in the middle. If the metal washer is heated until the diameter of the washer is 3.03 cm, then the diameter of the hole will be
Answer : Option D
Explaination / Solution:
diameter of hole = 1+0.01 = 1.01cm
Q3. Which of these reactions in the atmosphere leads to acid rain ?
Answer : Option B
Explaination / Solution:
2SO2 + O2 + 2H2O ------> 2H2SO4 is the major reaction of acid rain. SO2 emitted from burning of fossil fuels containing S react with O2 and H2O to form the acid leading to acid rain.
Q4. How many carats are in 87.5% gold?
Answer : Option B
Explaination / Solution:
Karat = 24 × (MgMm)Mg= 87.5 and Mm= 100
Q5. If all the plotted points form a straight line from lower left hand corner to the upper right hand corner then there is
Answer : Option B
Explaination / Solution:
A line from lower left hand corner to the upper right hand corner indicates perfect positive correlation with the value of r equal to 1.
Q6. Poverty line vary in rural and urban areas
Answer : Option A
Explaination / Solution:
India's current official poverty rates are based on its Planning Commission's data derived from so-called Tendulkar methodology. It defines poverty not in terms of annual income, but in terms of consumption or spending per individual over a certain period for a basket of essential goods. Further, this methodology sets different poverty lines for rural and urban areas.
Q7. Cycas is a gymnosperm as it has
Answer : Option C
Explaination / Solution:
The gymnosperms (gymnos : naked, sperma : seeds) are plants in which the ovules are not enclosed by any ovary wall and remain exposed, both before and after fertilisation. The seeds that develop post-fertilisation, are not covered, i.e., are naked. Since, Cycas has naked seeds, it belongs to gymnosperms.
Q8. The staining procedure is developed by
Answer : Option C
Explaination / Solution:
The staining procedure developed by Gram viz., those that take up the gram stain are gram positiveand the others that do not are called gram negative bacteria.
Q9. An enquiry in which each unit of the universe is studied is called _______.
Answer : Option D
Explaination / Solution:
This method is popularly known as Census Method used for collecting data from each and every unit of the population.
Q10. The _______ emphasises on protecting the future generation.
Answer : Option B
Explaination / Solution:
The Brundtland Commission emphasises on protecting the future generation. This is in line with the argument of the environmentalists who emphasise that we have a moral obligation to hand over the planet earth in good order to the future generation; that is, the present generation should bequeath a better environment to the future generation. At least we should leave to the next generation a stock of ‘quality of life’ assets no less than what we have inherited.
