General Science - Online Test
Q1. Salt nutrition is
Answer : Option B
Explaination / Solution:
Salt nutrition is process of increase in respiration rate during mineral absorption by roots from soil.
Q2. Numerous folds present on inner surface of stomach are called rugae. Another part of digestive tract which contains rugae is
Answer : Option A
Explaination / Solution:
Numerous folds present on inner surface of stomach are called rugae. They are series of ridges produced by folding of the wall of an organ. Another part of digestive tract which contain rugae is palate, the top part of inside mouth.
Q3. Who gets how much in an economy is best described by which of the following central problems?
Answer : Option A
Explaination / Solution:
For whom to produce refers to selection of the category of people who will ultimately consume the goods, i.e. whether to produce goods for more poor and less rich or more rich and less poor. Since resources are scarce in every economy, no society can satisfy all the wants of its people.
Q4. When a lens is inserted between an object & the screen which are at fixed distance apart, the size of the image is either 6cm or 2/3 cm. The size of the object is
Answer : Option A
Explaination / Solution:
No Explaination.
Q5. Cancer cells are damaged by radiations while others are not because cancer cells are
Answer : Option B
Explaination / Solution:
Cancer cells are killed by radiation to treat cancer. Cancer cells are undergoing rapid division and radiation killed these cells but normal cells are not affected by these radiation therapy.
Q6. Ozone layer exists in;
Answer : Option B
Explaination / Solution:
No Explaination.
Q7. How many neutrons and protons are there in the nucleus?
Answer : Option A
Explaination / Solution:
Number of protons = Atomic number =6
Number of neutrons = atomic mass - no of protons = 13-6 = 7
Q8. In the diagram below, 1 and 2 are
Answer : Option D
Explaination / Solution:
The outer ear consists of the pinna and external auditory meatus or canal. An Eustachian tube connects the middle ear cavity with the pharynx.
Q9. Variable costs vary with output because
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. Which of the following is true of the Celsius and Kelvin temperature scales?
Answer : Option D
Explaination / Solution:
A Kelvin degree and a Celsius degree means change in temperature.
