General Science - Online Test

Q1. Select the wrong pair of vegetative propoagules from the following pairs?
Answer : Option B
Explaination / Solution:

The wrong pair of vegetative propoagules is rhizome-potato. Potato is grown vegetatively by eyes present on underground modified tubers. Vegetative propagation is a mode of asexual reproduction.

Q2. What is the relation between refractive indices  1 and  2 if the behavior of light rays is as shown in the following figure?

Answer : Option B
Explaination / Solution:
No Explaination.


Q3. Fe3O4is
Answer : Option B
Explaination / Solution:

 is Ferromagnetic.

Q4. Which of the following elements does not show disproportionation tendency?
Answer : Option C
Explaination / Solution:

F (Fluorine) is most electronegative element so it always show -1 oxidation state.

Q5. If you suspect deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
Answer : Option A
Explaination / Solution:

One group of gamma globulins is the immunoglobulins, which are also known as antibodies. The serum globulin electrophoresis test measures the levels of proteins called globulins in the fluid part of a blood sample. This fluid is called serum.

Q6. Positive economic analyses
Answer : Option C
Explaination / Solution:

Positive economics is objective and fact based, statements do not have to be correct, but they must be able to be tested and proved or disproved.

Q7. An ionic compound is expected to have tetrahedral structure if  lies in the range of
Answer : Option A
Explaination / Solution:

For tetrahedral  lies in the range 0.225 to 0.414.

Q8. What happens to TR when MR is decreasing but remains positive
Answer : Option C
Explaination / Solution:
No Explaination.


Q9. The ozone layer found high in the stratosphere:
Answer : Option B
Explaination / Solution:

The ozone layer found high in the stratosphere Protects against the suns harmful UV rays

Q10. A steel railroad track has a length of 30.000 m when the temperature is 0.0C.Suppose that the ends of the rail are rigidly clamped at 0.0C so that expansion is prevented. What is the thermal stress set up in the rail if its temperature is raised to 40.0C? 
Answer : Option C
Explaination / Solution:

Thermal Stress