Category Archives: Uncategorized

Paryayvachi Shabd (पर्यायवाची शब्द) – Synonyms in Hindi, समानार्थी शब्द – Hindi

Hindi के Paryayvachi Shabd – Hindi Paryayvachi Shabd जिन शब्दों के अर्थ में समानता होती है, उन्हें समानार्थक या पर्यायवाची शब्द कहते है। या किसी शब्द-विशेष के लिए प्रयुक्त समानार्थक शब्दों को पर्यायवाची शब्द कहते हैं। यद्यपि पर्यायवाची शब्दों के अर्थ में समानता होती है, लेकिन प्रत्येक शब्द की अपनी विशेषता होती है और भाव… Read More »

बाल केन्द्रित शिक्षा or बाल केंद्रित शिक्षण

बाल केंद्रित शिक्षा/शिक्षण: जैसा कि हमने पढ़ा है कि प्राचीन काल में शिक्षा का जो स्वरूप था और वर्तमान में शिक्षा का जो स्वरूप हम देखते है, उन दोनो में बहुत अन्तर है। बाल केंद्रित शिक्षा की अवधारणा को जानने से पूर्व हमें शिक्षा की अवधारणा को जानना होगा। शिक्षा का अर्थ (Meaning of education): शिक्षा अंग्रेजी… Read More »

The Living World – Revision Notes

 CBSE Quick Revision Notes CBSE Class-11 BiologyCHAPTER-01THE LIVING WORLD Life is a unique, complex organization of molecules that expresses itself through chemical reactions which lead to growth, development, responsiveness, adaptation and reproduction. The objects exhibiting growth, development, reproduction, respiration, responsiveness and other characteristics of life are designated as living beings. Unique features of living organism:-… Read More »

The Living World – Solutions

 CBSE Class 11 Biology NCERT SolutionsChapter 1DIVERSITY IN THE LIVING WORLD 1. Why are living organisms classified?Ans. A large variety of plants, animals, and microbes are found on earth. All these living organisms differ in size, shape, colour, habitat, and many other characteristics. As there are millions of living organisms on earth, studying each of them… Read More »

The Living World – Test Papers

 CBSE TEST PAPER-01 CLASS – XI BIOLOGY(The Living World) General Instruction: All questions are compulsory. Question No. 1 to 3 carry one marks each. Question No. 4 to 6 carry two marks each. Question No. 7 and 8 carry three marks each. Question No. 9 carry five marks. 1. Name the three fields of systematics.… Read More »

Biological Classification – Revision Notes

 CBSE Quick Revision Notes CBSE Class-11 BiologyCHAPTER-02BIOLOGICAL CLASSIFICATION Biological classification is the scientific procedure of arranging organisms into groups and subgroups on the basis of their similarities and dissimilarities and placing the group in a hierarchy of categories. Importance of classification- It is not possible to study every organism. Study of one or two organism… Read More »

Biological Classification – Solutions

 CBSE Class 11 Biology NCERT SolutionsChapter 2Biological classification 1. Discuss how classification systems have undergone several changes over a period of time?Ans. The classification systems have undergone several changes with time. The first attempt of classification was made by Aristotle. He classified plants as herbs, shrubs, and trees. Animals, on the other hand, were classified on… Read More »

Plant Kingdom – Revision Notes

 CBSE Quick Revision Notes CBSE Class-11 BiologyCHAPTER-03PLANT KINGDOM Eukaryotic, multicellular, chlorophyll containing and having cell wall, are grouped under the kingdom Plantae. It is popularly known as plant kingdom. Phylogenetic system of classification based on evolutionary relationship is presently used for classifying plants. Numerical Taxonomy use computer by assigning code for each character and analyzing the features.… Read More »

Plant Kingdom – Solutions

 CBSE Class 11 Biology NCERT SolutionsChapter 3Plant kingdom 1. What is the basis of classification of algae?Ans. These divisions are based on the following factors:(a) Major photosynthetic pigments present(b) Form of stored food(c) Cell wall composition(d) Number of flagella and position of insertion Class I – ChlorophyceaeCommon name – Green algaeMajor pigments – Chlorophylls a and… Read More »