Q1.In which organism protoplasm and cellular structure is absent
Answer : Option DExplaination / Solution:
The protoplasm and cellular structure is absent in Virus. Virus consists of genetic material (DNA or RNA) along with a capsule of protein without any cellular structure.
Q2.The unusual behavior of benzene is explained by
Answer : Option DExplaination / Solution:
resonance stabilisation explains the unusual stability of benzene.There is pi electron delocalisation in the ring which enhances the stability of the molecule.
Answer : Option AExplaination / Solution:
Monopolies and Restrictive Trade Practices Act aims to prevent concentration of economic power, provide for control of monopolies, and protect consumer interest.
Q5.Which of the following is not method of asexual reproduction
Answer : Option AExplaination / Solution:
Conjugation is the mode of sexual reproduction in amoeba and some other Moneras. Cutting, grafting and budding are the mode of asexual reproduction without gametes formation.
Q6.Which one of the following is the most important service provided by ecosystems:
Answer : Option CExplaination / Solution:
Ecosystem services includes all activities performed by nature to benefits of human beings. The most important ecological service includes soil formation. Soil is essential for growth of plants that provide food to all living forms.
Q8.Shoes manufacturing company only manufactures shoes for adults. Company wants to know the most popular size. Which type of central tendency will be the most appropriate?
Answer : Option BExplaination / Solution:
Mode is the value that is, most populer or most likely to be sampled.
Q10.Fluctuations in output and employment through a sequence of boom, recession, depression and recovery known as
Answer : Option DExplaination / Solution:
The business cycle is the natural rise and fall of economic growth that occurs over time. The cycle is a useful tool for analyzing the economy. It can also help you make better financial decisions.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0