1Medium15 marks
Describe the process of DNA finger printing and indicate which of the following is used in DNA finger printing : (i) palindromic sequences of DNA (ii) V.N.T.R (iii) Shine Dalgrano sequences (iv) TATA boxes
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55 questions from the UPSC 2014 examination.
55 questions
Describe the process of DNA finger printing and indicate which of the following is used in DNA finger printing : (i) palindromic sequences of DNA (ii) V.N.T.R (iii) Shine Dalgrano sequences (iv) TATA boxes
What is cladistics ? Discuss its applications in understanding the evolution of different life forms and phylogeny.
Describe the process of formation of three germinal layers. Draw sequential diagrams and narratives to show formation of eye in frog or chick.
Give an elaborate account on AIDS.
Give an elaborate account on the Migration of Birds. Add a note on the problems faced by them during migration.
What do you understand about conditioning ? Explain with relevant examples.
Give an account of Orientation, Navigation and Homing behaviour in animals with suitable examples.
Give an illustrated account of evolution of horse, mentioning the relevant geological time periods.
With the help of labelled diagrams describe the embryonic disposition and modification of aortic arches in different vertebrates.
Give an account of the structure of cnidoblast and various types of nematocysts of Hydra.
What is apoptosis ? What are its stages ? Write about the molecular mechanism of apoptosis.
Give an account on "correlation analysis", its application and significance.
Describe the molecular basis of the following inherited diseases and their manifestations in humans : (i) Cystic fibrosis (ii) Sickle cell anemia (iii) Hunting chorea
What is ozone layer ? Describe the mechanism of degradation of ozone layer and its impact.
Give an account of "Analysis of variance" and mention its significance.
Distinguish between edge, border and ecotone. Why do edges and ecotones often support a greater diversity of species than the adjoining communities ?
What do you mean by Retrogressive metamorphosis ? Give an illustrated account of the gonads, developmental sequences and metamorphosis in Herdmania.
Describe the Integumentary derivatives in Mammals along with labelled diagrams.
Describe the Predator-Prey relationship with suitable examples.
Define sustainable development. What are the merits of remote sensing in sustainable development ? Give examples.
Characterize with suitable examples, the following features of genetic code : (i) Degeneracy (ii) Universality of genetic code and add a note on Wobble hypothesis.
Haeckel propounded the concept (law), "Ontogeny recapitulates phylogeny". Give evidence and examples that negates it or favours it.
What do you mean by anticoagulant ? Describe the structure and functions of natural and synthetic anticoagulants.
Distinguish between a dominant and keystone species. Add a note on the crucial role played by the keystone species on the community structure and structure of a food web.
What is haematopoiesis ? Indicate the site and the stages by which erythrocytes, various types of leycocytes and platelets are formed. Which chemical factor(s) coordinate and control these events ?
Describe "Torsion and Detorsion" in Gastropoda. Add a note on the significance of this phenomenon.
Describe the principle, structure and function of Liquid scintillation counter and mention its application.
What is Parasitism ? Give an account of the life cycle of Wuchereria bancrofti and add a note on the pathogenicity and control of the disease caused by this parasite.
"Balanoglossus is the forerunner of chordates"-Justify the statement.
Differentiate between the Phase Contrast and Fluorescent Microscopy.
Differentiate the basic characters of cartilaginous and Bony fishes with relevant diagrams.
Define continental drift. Explain the processes by which this has impacted upon the geographical distribution of fauna restricting it to certain regions only.
Give an illustrated account of protein synthesis in eukaryotic cell. Compare this with similar events in a prokaryotic. Add a note on the mechanisms that lead to migration of such proteins in the lumen of endoplasmic reticulum.
Describe the different types of skulls in Reptilia with the help of labelled diagrams.
How are pearls cultured ? Describe the economic importance of Pearl Culture.
Differentiate the structural variation of mouthparts in Insecta diagrammatically and label them.
Identify the five important evolutionary changes led to evolution of modern Homo sapiens from the ancestral stock during various Geological era and epochs.
Illustrate and narrate structure of F1 - F0 particles of mitochondria. How do they facilitate movement of protons across the mitochondrial membrane leading to ATP generation?
What are vitamins ? Name and give the functions of water soluble vitamins. Tabulate the diseases that occur in humans due to hypo and hypervitaminosis.
What do you mean by neurotransmitters ? Describe adrenergic, cholinergic and peptidergic neurotransmitters and write an illustrated account of their functions in synaptic transmission.
Draw a transverse sectional diagram of female Ascaris and label it.
What are the various vectors used in genetic engineering ? Write and compare the protocol for each.
Describe the organs and mode of locomotion in Paramoecium.
Make a labelled diagrammatic representation of the basic forms and diversities in Echinoderm larvae and describe their evolutionary significance.
Give an illustrated account of Lac Operon in E. Coli.
Compare the events during mitotic and meiotic cell cycles. Add a note on role of stage-specific macromolecules and enzymes in such cycles.
Describe the principal steps in Apiculture and add a note on various aspects of its rearing techniques.
What is paedomorphosis ? How does it differ from Neoteny ? Add a note on its significance in evolution of Homo sapiens.
What are immunoglobulins ? Describe the structure of IgG and add a note on its diversity.
Complete the table given below by inserting 0, 1, 1/2 or 1/4 for the probability of each genotype of progeny for each type of mating. Give reasons.
What is I.V.F. ? Make a flow chart of steps in I.V.F. Add a note on its applications.
What are nucleic acids ? Describe the structure and functions of various types of RNAs.
Name the enzymes and hormones released by liver and pancreas. Discuss their functions in digestion of food and maintenance of blood glucose balance.
Define and differentiate between Genomics and Proteomics. Add a note on their biomedical applications.
State and explain Hardy Weinberg's law of genetic equilibrium. What are its limitations ? Calculate the allele frequencies of L^M and L^N genes from the following blood group data of a population on the basis of this law.