did you know history

Did You Know - Stephen Hales - Father of plant physiology Lipmann - Father of ATP cycle Winogradsky - Father of nitrogen fixation Destruction of chlorophyll due to high light intensity is called solarisation. DCMU (Dichlorophenyl dimethyl urea) - a herbicide - inhibits oxygen re..

Stephen Hales - Father of plant physiology Lipmann - Father of ATP cycle Winogradsky - Father of nitrogen fixation Destruction of chlorophyll due to high light intensity is called solarisation. DCMU (Dichlorophenyl dimethyl urea) - a herbicide - inhibits oxygen release in light phase ..

PERSISTENT ORGANIC POLLUTANTS [POP] OR PESTICIDES enter our food chain through various methods. DDT, a very harmful pesticide has been banned from use. Almost all ready made foods contain two or more pesticides. Among fruits and vegetables peaches, apples, spinach and lettuce have the highest amo..

The circle graph represents the result of a survey conducted on a group of children to know which career they would like to take up in future. Find the percentage of children who did not decide anything about the career they would like to take up. => 36.5% or 7.5% or 34.5% or 13..

Joanne wants to know the favorite city of grade 3 students. Which question do you think should Joanne ask to get the data? => Do you like Paris? or Which is your favorite city? or Where did you spend your holidays? or Do you travel a lot?..

Jessica wanted to know the favorite fruit of her classmates. She asked them if they like orange or banana. Do you think that the survey was fair? => The survey was unfair, because she did not include apple fruit. or The survey was unfair, because many students may like fruits ot..

Marissa simplified the number sentence 75 × 0 to 0 . Which of the following properties did she use? => identity property of multiplication or I don′t know. or zero property of multiplication or identity property of addition..

. They are the true giants of humanity; the others are insignificant. It is said that a famous boxer once refused to tie his seat belt aboard a plane. " Superman doesn't need a belt," he resisted. Tying his belt for him, the airhostess replied: " Superman doesn't need a plane either" . The truly gr..

The atmosphere resource of our world is unique and available to our planet only. No other planet is found to have similar atmosphere. Earth's atmosphere is a legacy from history of this planet. It was formed billions of years back. In the formative years, as the earth started coolin..

Question: Why did Arun like the stranger? Answer: In spite of not knowing her, Arun felt an immediate bonding with the lady because of the gentleness and warmth that she exude..