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Wednesday, 20 January 2016

best entries for logo competitions

Shivam  Bose 10 B
We all know that adolescent mental status is effected because of peer pressures and environmental conditions. The stage of adolescent is the only stage where the base of a child is built up. The future of the child as well as the nation depends on this critical stage. So, the need is to develop the good qualities in child to avoid certain conditions of peer pressures. It can never be fulfill by the participation of one country. The whole world should participate in this campaign. The child depicted in the painting is forgetting about the wrong things and trying to think about his ambition.Child's face is painted as a world map because the future of the whole world depends on the youth. The color of rainbow in the phrase "Adolescent  Mental Health" is depicted to show that the child is thinking about the beautiful future which can possible only if the youth of the nation is brought to the right path. Keeping this thought in mind the boy is trying to purify his brain and trying to make it like the sacred flower "Lotus".


Yatharth Nagpal  10 E
                                                 

Friday, 8 January 2016

Do prepare well for the revision test class 10th

some questions
If red flowered plant is  crossed with white ,write the phenotype and genotype of first and only phenotype of second generation , if red coloured gene is denoted by G & white coloured gene is denoted by g.

How can you say that fossils are very useful in finding the path of evolution and what are the ways to calculate the age of fossils?

Give reasons for the following -
wings of birds and forelimbs of man are homologous
Food chains don't have more than 5-6 steps

If the first trophic level receives 100 KJ of energy from sun ,calculate the amount of energy received by bird in  a food chain consisting of algae, bird,fish and water insect.

How can you prove that acquired traits are not inherited.
Define bio magnification and give it's example.
Happy reading