General Science - Online Test
Q1. Data collected by research institutions , scholars , trade associations but not published is
Answer : Option A
Explaination / Solution:
Because the data has not been published, it is known as unpublished data. Still the data from these sources may be used when needed.
Q2. Absorptive capacity means
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. Which ratio is constant for DNA
Answer : Option D
Explaination / Solution:
In DNA, adenine bind with thymine and guanine binds with cytosine. So, sum of adenine and guanine is equal to sum of thymine and cytosine.
Q4. The sensitivity of the potentiometer can be increased by:
Answer : Option A
Explaination / Solution:
A potentiometer is considered to be sensitive if the potential gradient is low. Such a potentiometer can measure very small changes in potential difference. Increasing the length of the potentiometer wire decreases the potential gradient. Its sensitivity increases. Increasing potential gradient decreases the sensitivity. increasing the emf of the primary cell and by decreasing the length, potential gradient increases.
Q5. Any periodic function can be expressed as superposition of-
Answer : Option D
Explaination / Solution:
Because sine and cosine functions both are periodic in nature and according to Fourier theorem a" Fourier series" is a way to represent a function as the sum of simple sine waves. More formally, it decomposes any periodic function or periodic signal into the sum of a (possibly infinite) set of simple oscillating functions, namely sines and cosines, or in simple terms any periodic function can be expressed as sum or superposition of sine and cosine functions with fixed time periods.
Q6. Which of the following is not an ecological parameter:
Answer : Option D
Explaination / Solution:
ecological parameter is a variable, measurable property whose value is a determinant of the characteristics of an ecosystem.
Ecological parameter includes, biomass, energy and number of individual in the ecosystem. Stratification is not a part of ecological parameter because it can not be quantified.
Q7. According to Huygens construction relation between old and new wave fronts is
Answer : Option C
Explaination / Solution:
No Explaination.
Q8. In the earth’s atmosphere, hydrogen exists in the form of
Answer : Option D
Explaination / Solution:
In the combined form it constitutes 15.4% of the earth crust and the ocean.
Q9. Which of the following scientist’s name is not correctly matched with the theory by them?
Answer : Option C
Explaination / Solution:
The theory of inheritance of acquired traits is given by Weismann. Mendel gave the theories of inheritance that includes law of dominance, law of segregation and law of independent assortment.
Q10. Which of the following is most likely structure of CrCl3.6H2O if 1/3 of total chlorine of the compound is precipitated by adding AgNO3 to its aqueous solution?
Answer : Option C
Explaination / Solution:
1 mol of Cl is precipitated so 1 Cl will be present outside the coordination sphere.
