The Living World What is living? Biodiversity; Need for classification; three domains of life; taxonomy and systematics; concept of species and taxonomical hierarchy; binomial nomenclature; tools for study of taxonomymuseums, zoological parks, herbaria, botanical gardens. Biological Classification Five kingdom classification; Salient features and classification of Monera, Protista and Fungi into major groups:
Therefore, resistors should be connected in parallel.
It regarded atomic masses of the elements as the basis of classification. The modern periodic table regards atomic numbers of the elements as the basis of classifying the elements. It removed both the short comings from the table.
In mammals and birds the blood goes through the heart twice during each cardiac cycle.
This is known as double circulation. Deoxygenated blood which enters right auricle and then it enters the right ventricle from where it is pumped to lungs for oxygenation.
From lungs after oxygenation it comes to left auricle and then enters left ventricle from where it is pumped to various parts of body. Such system of circulation does not allow mixing of oxygenated and deoxygenated blood which allows efficient supply of oxygen to the body.
OR Select two varieties of dogs one with white coat colour, the other with black coat colour. Crossbreed them taking male dog from one variety and bitch female dog from the other variety. Observe the colour of offsprings of F1 generation. Now, bring about breeding among the organisms of F1 generation.
Observe the coat colour of organisms pups of F2 generation and note the variations in coat colour. Draw conclusions on the basis of your study.
One of the probable inheritance pattern may be as given below. Some dinosaurs had feathers, but they could not fly. Birds later adapted the feathers to flight.
Rice, potatoes and bread contain carbohydrates. During digestion, these carbohydrates are broken down into simpler substances called glucose. During respiration, the glucose combines with oxygen in the cells of our body and provides energy.
Thus, respiration is an exothermic process because energy is produced during this process. Reason for population explosion- Better medical facilities- Better medical facilities have resulted in fall of death rate. Lack of education and awareness- This is a major factor since people become prey to ignorance Religion- For some people, family planning is against the norms set by their religion.
Control over epidemics- Various medical technologies has made it possible to fight against epidemics. Sanitary conditions- There is a lot of improvement in sanitary conditions which led to increase in population.
Electric generator labelled diagram is as follows: An electric generator works on the principle of electromagnetic induction.Structure of The Atom- CBSE Notes for Class 11 Chemistry • Discovery of Electron—Discharge Tube Experiment In , William Crooks studied the conduction of electricity through gases at low pressure.
He performed the experiment in a discharge tube which is a cylindrical hard glass tube about 60 cm in length.
It is sealed at both [ ]. Hindi Short Story “Jese ko Tesa”, “जैसे को तैसा” Hindi Laghu Katha for Class 9, Class 10 and Class Hindi Short Story “Lalchi Kutta”, “लालची कुत्ता” Hindi Laghu Katha for Class 9, Class 10 and Class Get updated details of CBSE Class 12th Biology Syllabus , we are going to share XIIth Class Biology Theory and Practical Syllabus.
Download latest cbse Class 12 Biology Practical syllabus for the March exam. Class 12 Biology Board exam will consist of 70 marks and 30 marks will be of practical. There is the separate syllabus for Biology practical & it will be conducted in your schools but the external faculties will be there.
NCERT Solutions for Class 9 Science Chapter 8: Motion – All Questions. In Text Question. Page No: 1. An object has moved through a distance. The syllabus for CBSE class 12 Biology is published by kaja-net.com Central Board of Secondary Education, Head Office in New Delhi. The latest syllabus for class 12 Biology includes list of topics and chapters in Biology.