Answer : Option BExplaination / Solution:
Born on 5 July 1904, in Kempten, Germany, ERNST MAYR, the Harvard University evolutionary biologist who has been called ‘The Darwin of the 20th century’, was one of the 100 greatest scientists of all time.
Q3.In bacteria asexual reproduction takes palace by
Answer : Option AExplaination / Solution:
In bacteria, asexual reproduction occurs by endospore formation in favorable condition. In unfavorable condition, bacteria produce sexually or change into cyst.
Answer : Option CExplaination / Solution: Ethyne is an unsaturated compound which belongs to the alkyne family and has the formula C2H2.Thus it consists of one C–C σ bond, two C–H σ bonds and two C–C π bonds.
Q5.Aquatic animals are more comfortable in cold water rather that warm water because
Answer : Option DExplaination / Solution:
Because of increase in kinetic energy of gas molecules with temperature there tendency to escape from the liquid will increase.
Q6.Which is the primary objective of economic planning in India
Answer : Option CExplaination / Solution:
The primary motive of economic planning is to bring economic growth and reduce inquality in the country. Other than this, it also had other objectives like increase employment opportunities and attain self sufficiency.
Answer : Option DExplaination / Solution:
Unification is the act of unifying the different laws valid for different phenomena in to a single theory that explains all the different phenomena.
Answer : Option CExplaination / Solution:
Amines behave as lewis base because of presence of lone pair on N, whereas in amides and cyanides the lone pair on nitrogen is involved in resonance. In esters, the lone pair on oxygen is involved in resonance.
Answer : Option AExplaination / Solution:
A distribution is negatively skewed the mean is usually lesser than the median and Median is lesser than Mode.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0