I am going to list 30 most important topics on biology. This topic is important for all streams of biology. Every student must give emphasis on those topics. Proper understanding is must on these topics. Most of the questions asked in all competitive exams which have biology as a part of syllabus on these topics. … Read more
Do you know why female anopheles feed on human blood Why female anopheles feed on human blood. Short answer: due to developing eggs. Male mosquitoes feed on nectar, plants sap. But female mosquitoes feed on blood. They not only feed on humans. They feed the blood of other animals also. Female mosquitoes have to develop … Read more
Why 2 lungs of humans are not equal in size Do you know why 2 lungs of humans are not equal in size? Number of lobes is also different in two lungs. In our bodies different vital organs present in asymmetric manner. Left lungs are narrower than right lungs. Our hearts present on the diaphragm … Read more
Before we can discuss more I would like to give you some examples. You have noticed that some people are older than 100 years. I am introducing you with a man who died at the age of 122, Jeanne Calment. But we are generally not familiar with that age group. Because very few people live … Read more
The surface area of the human lungs: Equal to tennis court Do you know what the surface area of the human lungs is? The surface area of the human lungs is around 60 square meters. Now can you imagine how large that is? You can compare it with a tennis court. Now, why so large … Read more
What is average lifespan of a crocodile What is average lifespan of a crocodile : short answer less or more like a human being. Lifespan of a crocodile varies from species to species. But in general most of the species live from 30 years to 40 years. But bigger species live more than 60 years. … Read more
What is average lifespan of an eagle What is average lifespan of an eagle : short answer is up to 71 years. But most of the eagles can’t reach that age. One of the major reasons for their short lives is failure to catch prey. When they try to catch prey in 80 percent cases … Read more
What is average lifespan of turtle and tortoise What is average lifespan of turtle and tortoise : short answer 10 years to 70 years for pet turtles, more than 100 years in case of wild species. Small sized turtles are generally used as pets. Their lifespan is around 40 years. But big sized turtle species … Read more
What is average lifespan of cow What is average lifespan of cow : short answer 18 years to 22 years. It depends on breed, for what purpose they used. Dairy cows can live upto 5 years to 6 years. Beef cows are prone to slaughter early. They rarely reach upto 2 years. Bull can live … Read more
What is the average lifespan of a Yorkshire Terrier (Yorkie) What is the average lifespan of a Yorkshire Terrier (Yorkie): short answer 12 years to 15 years. An average lifespan of a Yorkie is 13 years. But female Yorkie live more than males. In general female Yorkie live one to 1.6 years more than males. … Read more