64 questions from the UPSC 2016 examination.
64 questions
(a) Explain various types of canal systems in Porifera. Also give their importance. 20 marks (b) Give general characters of phylum Platyhelminthes. Classify it giving the main features and examples of each class. 15 marks (c) Give an account of Social behavior in Termites. 15 marks
With the help of suitable examples explain conditioning and imprinting in animals.
Explain in brief about the synthesis and functions of steroid and peptide hormones.
Give the classification of immunoglobulins and state their functions. Draw a labelled diagram of IgM.
Enumerate a comparative account of different functions of smooth and rough endoplasmic reticulum.
Explain pedigree analysis to illustrate hereditary disease with suitable examples.
Enlist the various biomes of the biosphere and discuss the problems and adaptations of the animals of marine and desert biomes.
Describe the role of microtubules in chromosome movement during cell division.
Describe the structure of rods and cones in retina, and discuss their role in vision.
Give an account of Asexual and sexual life phases of Plasmodium vivax in their hosts.
What is the composition of semen? Explain briefly about in vitro and in vivo capacitation of mammalian sperm.
Describe the impact of gene mutation on human health.
Discuss Hardy-Weinberg law and its application in evolution.
What is neoteny? How does it occur? Explain this phenomenon with suitable examples.
Give an account of biological rhythms and discuss the mechanism of their regulation.
Define a pest. Describe the life cycle of Pyrilla perpusiella. Add notes on the damage caused by it and its control measures.
Discuss that TCA cycle is the central pathway in the energy metabolism of a cell.
(a) Enlist the various biomes of the biosphere and discuss the problems and adaptations of the animals of marine and desert biomes. 20 marks (b) Define remote sensing. Explain how it can be used as an effective tool for sustainable development. 15 marks (c) What is medical biotechnology? Discuss its role in human welfare. 15 marks
Give an account of calcium homeostasis in mammals.
What is medical biotechnology ? Discuss its role in human welfare.
(a) Define ecological succession. Differentiate between primary and secondary succession. Explain various steps involved in the mechanism of ecological succession. 20 marks (b) Give an account of biological rhythms and discuss the mechanism of their regulation. 15 marks (c) What is meant by Vermiculture? Enlist various species suitable for vermiculture. Also explain techniques and importance of vermicomposting. 15 marks
(a) With the help of suitable examples explain conditioning and imprinting in animals. 20 marks (b) Describe the measures of central tendency and measures of dispersion. What is their use in biology? 15 marks (c) What is ELISA (enzyme linked immunosorbent assay)? Write its principle and procedure. Add a note on its applications. 15 marks
Give an account of Conjugation in Paramecium and its significance.
Draw labelled diagrams of basic echinoderm larval forms and describe their evolutionary importance.
Elucidate the importance of thermoregulation with reference to its relationship with homeostasis in endothermic animals.
(a) Give an account of Asexual and sexual life phases of Plasmodium vivax in their hosts. 20 marks (b) Explain parental care in amphibians and its significance. 15 marks (c) Define coelome. Write the general features and examples of an acoelomate, a pseudocoelomate and a coelomate animal. 15 marks
Explain the fate map of frog with a neat labelled diagram. Write a note on its contribution in understanding cell lineage and development process.
Discuss the mechanism involved in the survival of estuarine animals in varying salinities.
Explain the key features of Oriental region with its sub-regions. Add a note on the faunistic distribution of the region.
Discuss the role of mutation in speciation. Comment on the effect of the process of variation on evolution.
Define remote sensing. Explain how it can be used as an effective tool for sustainable development.
Explain phenomenon of Torsion and detorsion in gastropods and also write their significance.
Explain the mechanism of transport of small and large molecules across plasma membrane.
Describe the sequence of stages during synaptic transmission with acetylcholine as the neurotransmitter.
Describe kinship and altruistic behavior in animals.
Explain ABO blood groups with its genetic basis and significance in blood transfusion.
Discuss the applications of recombinant technology in human health.
(a) Draw labelled diagrams of basic echinoderm larval forms and describe their evolutionary importance. 20 marks (b) Describe with the help of a suitable diagram, the major structures in the mammalian ear involved in hearing and balance. 15 marks (c) Describe various hormones secreted by Pituitary gland and their role in humans. Also explain feedback mechanisms of hormonal regulation. 15 marks
Answer the following in about 150 words each: 10x5=50 marks (a) List different human-induced changes in the atmosphere. Describe greenhouse effect and its impact. 10 marks (b) Write the principle, working and uses of spectrophotometer. 10 marks (c) Define a pest. Describe the life cycle of Pyrilla perpusilla. Add notes on the damage caused by it and its control measures. 10 marks (d) Describe kinship and altruistic behavior in animals. 10 marks (e) What is correlation? Explain its various types and methods of calculating correlation analysis. 10 marks
Explain the structure and functions of lysosome.
Explain parental care in amphibians and its significance.
Define coelome. Write the general features and examples of an acoelomate, a pseudocoelomate and a coelomate animal.
Give the structural formula of an amino acid and show how a peptide bond formation occurs. Also explain how amino acids differ from each other.
Give an account of Social behavior in Termites.
Enumerate the clinical applications of stem cells.
What is correlation ? Explain its various types and methods of calculating correlation analysis.
Explain the term and structural details of placenta in a eutherian mammal. Add a note on its significant role in pregnancy.
Define migration and its causes. Discuss the migration of Anadromous and Catadromous fishes.
Explain the functions of coenzymes with suitable examples.
Describe various hormones secreted by Pituitary gland and their role in humans. Also explain feedback mechanisms of hormonal regulation.
What is meant by Vermiculture ? Enlist various species suitable for vermiculture. Also explain techniques and importance of vermicomposting.
Give general characters of phylum platyhelminthes. Classify it giving the main features and examples of each class.
What is biodiversity? Give an account of the impact of climate change on biodiversity. Add a note on Hot Spots in India.
List different human-induced changes in the atmosphere. Describe greenhouse effect and its impact.
Describe the measures of central tendency and measures of dispersion. What is their use in biology ?
Give an account of Human Genome Project.
Explain various types of canal systems in Porifera. Also give their importance.
Give an account of mutable connective tissue.
What is ELISA (enzyme linked immunosorbent assay) ? Write its principle and procedure. Add a note on its applications.
Answer the following in about 150 words each: 10x5=50 marks (a) Explain phenomenon of Torsion and detorsion in gastropods and also write their significance. 10 marks (b) Define migration and its causes. Discuss the migration of Anadromous and Catadromous fishes. 10 marks (c) Give an account of mutable connective tissue. 10 marks (d) Give an account of Conjugation in Paramecium and its significance. 10 marks (e) Give an account of calcium homeostasis in mammals. 10 marks
Write the principle, working and uses of spectrophotometer.
Describe with the help of a suitable diagram, the major structures in the mammalian ear involved in hearing and balance.
Explain the salient features in the 'theory of natural selection'. Add a special comment on 'synthetic theory of evolution'.
Define ecological succession. Differentiate between primary and secondary succession. Explain various steps involved in the mechanism of ecological succession.