UPSC Syllabus – Civil Services Preliminary Exam The Civil Services Preliminary exam comprises of two compulsory papers of 200 marks each (General Studies Paper I and General Studies Paper II). The questions will be of multiple choice, objective type. The marks in prelims will not be counted for final ranking, but just for qualification for the main exam. The Commission will draw a list of candidates to be qualified for Civil Service (Main) Examination based on the criterion of minimum qualifying marks of 33% in General Studies PaperII of Civil Services (Preliminary) Examination and total qualifying marks of General Studies Paper-I of Civil Services (Preliminary) Examination as may be determined by the Commission. UPSC Syllabus for Paper I – (200 marks) Duration: Two hours (Counted for the merit rank in the Prelims) Current events of national and international importance. History of India and Indian National Movement. Indian and World Geography – Physical, Social, E...
Q:-1Discuss the general features and life history of Pila with suitable diagrams. (20) Q:-2 Explain the process of torsion and detorsion in Gastropods. Discuss its significance and implications on physiology. (15) Q:-3 Compare the life history of Sepia and Lamellidens. (20) Q:-4 With diagrams explain the process of whole animal cloning. Describe various methods of making hybrid organisms. (15) Q:-5 What is transgenic organism? Discuss its significance in modern day society. (15)
"Invertebrates" 2nd edition presents a modern survey of the 34 animal phyla (plus the Protista) and serves as both a college course text and a reference on invertebrate biology. It is organized around the themes of bauplans (body plans) and evolution (phylogenetics). Detailed classifications, phylogenetic trees, and references for all phyla are provided. The text is accompanied by detailed line drawings and - new to this edition - four-colour photographs. Other key changes from the 1st edition (1990) include: the incorporation of all the new developments in phylogenetics, developmental biology and molecular genetics; major changes at the highest levels among the invertebrates; three phyla that appeared in the original book Pentastomida, Pogonophora and Vestimentifera no longer exist, and an entire new phylum, Cycliophora, has been erected. Moreover, this edition discusses recent work in molecular systematics, and there is a large new section on "Kingdom Protista" (...
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