Q2.In which part of sperm, mitochondria are present?
Answer : Option BExplaination / 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 DExplaination / Solution:
Indicators of Human Development Index are education, life expectancy (longetivity) and per capita income (standard of living).
Answer : Option BExplaination / 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.
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 CExplaination / Solution: No Explaination.
Answer : Option DExplaination / 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.
Answer : Option CExplaination / 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.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0