1Medium15 marks
What is menopause? Discuss its occurrence, consequences and significance in human females.
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56 questions from the UPSC 2017 examination.
56 questions
What is menopause? Discuss its occurrence, consequences and significance in human females.
Give a brief account of the various theories of 'Origin of Life' on earth.
Outline the course of evolution of modern day horse.
What is meant by RFLP ? Explain the applications of RFLP.
Explain the principle, types and applications of ultracentrifuge.
Give an elaborate account of various flight adaptations in birds.
Illustrate the organisation of electron transport particles on the inner mitochondrial membrane and explain their role in ATP synthesis.
What is a 'CLADE'? Explain the importance of 'cladistics' in evolution.
Explain primitive, degenerate and advanced characters of Branchiostoma. Comment on its systematic position.
What is meant by Biodiversity ? Explain Protected Area Networking w.r.t. their establishment, monitoring and management.
Mention the advantages of social living. Describe different types of social hierarchies in primates.
Give the structure of cyclic AMP and discuss its role as a second messenger by giving suitable examples.
Some fishes can breathe air. Elaborate.
Give general features and examples of egg-laying mammals and pouched mammals.
Describe 'FISH: Principle, Procedure and Applications'.
Discuss Thermal Pollution and its preventive measures.
Explain in detail the structural organisation and functions of Golgi-Complex.
What is meant by a 'Lamp brush' chromosome ? Explain its structure and functional significance.
Bring out the differences between prokaryotic and eukaryotic gene organisation.
Discuss antibodies as key players of humourol immunity.
What is protein targetting ? Illustrate the same with reference to transport of proteins to plasma membrane.
What is an 'Organiser'? Explain the role of Organiser in axis formation in amphibians.
Explain adaptations of animals inhabiting fast flowing waters.
Explain the role of chemical signals in alarm spreading.
What is meant by biostatistics ? Explain the role of correlation, regression and ANOVA in data analysis in Zoology.
Explain 'Whole animal cloning' by giving suitable examples. Enumerate the steps involved in whole animal cloning.
Describe the process of digestion and absorption in small intestine.
What are stem cells ? Discuss their sources, types and applications in human welfare.
Explain in brief the role of 'isolation' in evolution by giving suitable examples.
Explain various types of dentition in mammals.
Describe the ultrastructure of 'Sarcomere' and explain the process of muscle contraction.
Differentiate between major and minor phyla. Describe the salient features of any one minor phylum.
Give the structure of cnidoblast, the defensive organ in Cnidaria. Also, describe its mechanism of action.
Explain the process of oögenesis. Discuss the importance of meiotic arrest during oögenesis.
What are homeotic genes ? Explain with the help of suitable examples.
Give an account of evolution of aortic arches in reptiles, birds and mammals.
What is meant by molecular drive ? Explain its significance in evolution giving suitable examples.
Elaborate the term 'Ecosystem' and explain its structural components with examples. Comment on Trophic Dynamics concept.
What is meant by Rh factor ? Explain Rh incompatibility in human beings.
Explain the types of metamorphosis in insects and their hormonal regulation.
Give a comprehensive account of gaseous transport in blood.
What are 'Co-enzymes'? Explain their importance in metabolism.
How is 'Composite Carp Culture' advantageous over 'Traditional Carp Culture'?
Discuss the origin of Tetrapods.
What is a morphogen ? Explain its role in embryonic development.
Differentiate between molecular taxonomy and classical taxonomy.
Explain in detail how a DNA molecule gets organised into a chromosome ?
Discuss respiration in Mollusca indicating suitable examples.
Give an account of larval forms in Crustacea with examples and diagrams. Also write a note on the significance of larvae.
Describe the roles of three eye layers in vision in humans.
Discuss the concept and importance of genetic counselling and gene therapy.
What are Ecotones ? Are wetlands ecotones ? Justify.
What are multiple alleles ? Explain the phenomenon of multiple allelism by giving suitable examples.
Discuss environmental degradation with regards to inland water resources. Suggest measures to restore the water quality of our rivers, lakes and reservoirs.
Write about phase contrast and fluorescence microscopy with notes on their principles and applications in Zoology.
What are Bilateria ? Explain the theories of origin of Bilateria.