Question

plzzzzz sed me bio and chem. que class 10

Answer 1

u will get nice questions in oswaal question bank or in arhiant ncert exempler.the qualitiy of questions in these books is amazing.
 
hope this helps!!!!

Answer 2

Hey.....

1)draw the structure for ethanoic acid molecule .

2)which class of carbon compounds is responsible for the depletion of Ozone layer at the higher level of the atmosphere .

3)name the process by which unsaturated fats are changed to saturated fats .

4)what are homologous series of carbon compounds. write the molecular formula of two consecutive member of homologous series of aldehyde. state which part of these compounds determines their physical and chemical properties .


5)define the term structural isomerism.explain why propane cannot exhibit this property. draw the structure of possible isomers of butane .



6)natural selection and speciation leads to evolution. justify the statement .


7)differentiate inherited trait and acquired traits giving one example of each.give reason why traits acquired by an individual during the lifetime are not inherited .


8)what are chromosomes .explain how in sexually reproduction organisms the number of chromosomes in the progeny is maintained.



9)what is an organic evolution ?it cannot be equated with progress. explain with the help of a suitable example .


10)how did mendel's experiments show that different traits are inherited independently? explain .



Hope this helps u..


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