Answer : Option BExplaination / Solution:
Latent heat of vaporization is actually the total amount of enthalpy (a kind of energy/heat) necessary to accomplish a phase change for a liquid or gas at the boiling/condensation point. Phase changes are generally considered at constant pressure, rather than constant volume.
Answer : Option AExplaination / Solution:
Ozone hole is the depletion of ozone layer in the stratosphere caused by some pollutants that react with ozone to convert it into other form, decreasing the thickness of the ozone layer there which is called as the "hole".
Answer : Option DExplaination / Solution:
Launched in 2001, the Valmiki Ambedkar Awaas Yojana is a centrally sponsored scheme which aims to improve the living conditions of slum dwellers across India, hoping to transform the way of life in these slums. Given the fact that the growth of our nation depends on the growth of individuals, this scheme hopes to help slum dwellers utilise their potential, helping them achieve a decent standard of living.
Q6.Asexual reproduction in liverworts takes place by specialised structures, commonly known as
Answer : Option DExplaination / Solution:
Asexual reproduction in liverworts takes place by the formation of specialised structures called gemmae (sing. gemma). Gemmae are green, multicellular, asexual buds, which develop in small receptacles called gemma cups located on the thalli. The gemmae become detached from the parent body and germinate to form new individuals.
Answer : Option AExplaination / Solution:
The lipid molecules occur in chains. In plasma membrane two molecular chains of lipids remain parallel to each other.
Q10.HIV is classified as a retrovirus because its genetic information is carried in
Answer : Option CExplaination / Solution:
Retrovirus is a type of virus that uses RNA as its genetic material. After infecting a cell, a retrovirus uses an enzyme called reverse transcriptase to convert its RNA into DNA.
The retrovirus then integrates its viral DNA into the DNA of the host cell, which allows the retrovirus to replicate. HIV, the virus that causes AIDS, is a retrovirus.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0