General Science - Online Test

Q1. The price relative is a price index that is determined by
Answer : Option A
Explaination / Solution:
No Explaination.


Q2. In which part of sperm, mitochondria are present?
Answer : Option B
Explaination / Solution:

Mitochondria are called power-house of the cell. Sperms need energy for active movement. Middle piece of sperm contain large number of mitochondria.

Q3. Which of the following are indicators of HDI are
Answer : Option D
Explaination / Solution:

Indicators of Human Development Index are education, life expectancy (longetivity) and per capita income (standard of living).

Q4. Under exclusive method
Answer : Option B
Explaination / Solution:

Each class interval has two limits viz lower class limit and upper class limit. When developing a frequency distribution one usually looks at the type of variable discrete or continuous. when lower class limit is included but upper limit is excluded it is an exclusive class interval which is concerned with continuous variable.

Q5. Inflation affects people adversely because:
Answer : Option C
Explaination / Solution:
No Explaination.


Q6. A jet lands on an aircraft carrier at 30 m/s. What is its acceleration if it stops in 2.0 s?
Answer : Option A
Explaination / Solution:

Initial velocity u = 30 m/s

As it stops then final velocity v = 0 m/s

Time taken t = 2.0 s

We know,

v-u = at

=> 0-30= 2a

=> a = 

-ve sign shows velocity is decreasing.


Q7. A tuning fork of frequency 500 Hz is sounded on a resonance tube. The first & second resonances are obtained at 17 cm and 52 cm. The velocity of sound in m/s is
Answer : Option C
Explaination / Solution:
No Explaination.


Q8. Perfectly competitive firm faces?
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. Sex determination in human being is
Answer : Option D
Explaination / Solution:

In human beings, a pair of X chromosome is found in female and presence of an X and Y chromosome are determinant of male characteristic.

Q10. Virus that kills bacteria are called
Answer : Option C
Explaination / Solution:

Bacteria eating virus are called Bacteriophage. Bacteriophage attach with body of bacteria and genetic material is transferred to bacteria where lot of bacteriophage are produced.