Differences between plant mitosis and animal mitosis
S.N. Mitosis in Animal cells Mitosis in Plant cells 1. Centrioles are present at the spindle poles. Centrioles are lacking at the spindle poles. […]
Biology
Digestion of nucleic acids in human body
Nucleic acids are the components of our nuclear material (Chromosomes) present in the cells. Nucleic acids are also ingested from food like herring, mackerel etc. […]
Lactose intolerance (Causes, Symptoms, Diagnosis and Treatment)
Among animals, generally man alone takes milk even after becoming adult. Milk and other dairy products consist of sugar (Carbohydrate) in them called lactose. There […]
Trophic levels and Ecological Pyramids
In an ecosystem, green plants act as producers and the food prepared by green plants is consumed by a series of consumers. In a food […]
The Carbon cycle
Carbon is a basic component of plants and animals. There is a continuous exchange of carbon dioxide between the atmosphere, aquatic bodies and living organisms. […]
The Nitrogen cycle
Nitrogen is an essential constituent of plant and animal proteins, vitamins and nucleic acids. The atmosphere is the main source of nitrogen gas which is […]
Ecosystem (Structure, Components and Functions)
The branch of science that deals with the study of structures and functions of nature and the environment is called ecology. In other words, it […]
Reflex action and its conduction
An immediate or spontaneous response or reaction shown towards any stimulus by an organism is called reflex action. A reflex is a predictable involuntary response […]
Some important science questions
A. Knowledge Type Questions: What is meant by freefall? What is the value of ‘g’ on: i) the surface of the moon ii) the equator […]
Eutrophication: Causes, Effects and Controlling measures
Eutrophication is derived from the Greek word ‘eutrophos’ that means well-nourished or enriched Eutrophication is the excessive presence of nutrients like nitrate and phosphate in […]