लड़की की तारीफ़ या बेइज्जती ?? Green Lake Eutrophication #Shorts #chemistry #science

The number of students enrolled in different faculties in a school is as follows: एक विद्यालय में अलग-अलग विषयों में नामांकन लेने वाले छात्रों की संख्या इस प्रकार है : The percentage of students studying in Science and Vocational subjects is: विज्ञान या व्यावसायिक विषयों की पढ़ाई करने वाले छात्रों का प्रतिशत है

Vikash went to vegetable market with his elder sister, a M.Sc Botany student. There he saw many varieties of different vegetables such as different kinds of chilies (short, long, round, pungent, less pungent, green reddish, orange), several varieties of potato and tomatoes. He asked his sister the following questions. (i) What is the need of producing so many varieties of different crop plants. (ii) What is the name of branch of science which deals with crop improvement ? (iii) What are the methods used by plant breeders ? (iv) What is hybridization ?

Write short notes on: (a) Acid rain (b) Green chemistry as an alternative tool for reducing pollution.