Answer : Option CExplaination / Solution:
During extreme heat and cold period, frog takes shelter in deep burrows to protect them from extreme environmental conditions. This is called as summer sleep (aestivation) and winter sleep (hibernation).
Answer : Option CExplaination / Solution:
The virus in which genetic material is RNA are called retrovirus. In this virus reverse transcription takes place to form DNA that synthesis proteins.
Answer : Option CExplaination / Solution:
Fiscal policy is the expenditure and revenue policy of the government. Reduction of quantitative restrictions on imports and exports led to the fall in taxes that the government used to collect and so it is a change in the fiscal policy.
Q7.A cell immersed in a solution increase in volume. The solution is
Answer : Option AExplaination / Solution:
The behaviour of the plant cells (or tissues) with regard to water movement depends on the surrounding solution. If the external solution is more dilute than the cytoplasm, it is hypotonic Cells swell in hypotonic solutions.
Q8.One mole of an ideal monatomic gas is at an initial temperature of 300 K. The gas undergoes an isovolumetric process, acquiring 500 J of energy by heat. It then undergoes an isobaric process, losing this same amount of energy by heat. Determine the new temperature of the gas
Answer : Option AExplaination / Solution: It is absorbed by plants in the form of divalent Mg2+. Magnesium is a constituent of the ring structure of chlorophyll and helps to maintain the ribosome structure.
Q10.____ from pharynx is conveyed into oesophagus by _____ .
Answer : Option BExplaination / Solution:
Bolus from pharynx is conveyed into oesophagus by deglutition. Bolus is the semisolid chewed food mixed with saliva in mouth. The food from pharynx passed to oesophagus by swallowing.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0