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Important Questions for "zoology":

[1]

  1. Explain about red rust disease of Mango.
  2. Describe the life cycle of Phytophthora with a suitable diagram.
  3. Write the important characteristics of the following: (i) Vancheria (ii) Cladophora (iii) Volvox (iv) Polysiphonia

[2]

  1. Give a detailed account of economic importance of Algae.
  2. Write short notes on thallus organization of: (i) Chlamydomonas (ii) Volvox (iii) Oedogonium (iv) Cladophora (v) Vaucheria.
  3. Give an outline of classification and importance of Protozoa.

[3]

  1. Describe in detail the thallus organization of fungi.
  2. Describe major characteristics of Oedogonium and support your answer with suitable diagrams.
  3. Write an essay on the economic importance of nematodes.

[4]

  1. Write a brief outline of the classification of fungi according to Alexopoulos, Mims, and Blackwell.
  2. Discuss the thallus organization in fungi.
  3. Name five diseases caused by fungi along with their causing organisms and symptoms.

[5]

  1. Write the different functions of Ribosome.
  2. Name the disease caused by Trypanosoma. Describe the structure and life cycle of Trypanosoma. Write about the symptoms of disease and control measures.
  3. What is chromosomal aberration? Give an account of the structural and numerical aberrations in chromosomes.

[6]

  1. Write a short note on Microtubules and Microfilaments.
  2. Differentiate between Virus and Bacteria. Write the name of some viral and bacterial diseases.
  3. Give an account of 'Structure and function of Ribosomes.'

[7]

  1. Describe the structure and functions of Endoplasmic reticulum.
  2. Describe the process of Oogenesis and its significance.
  3. Describe the development of chick upto the formation of primitive streak.

[8]

  1. Name the components of blood.
  2. Describe preparation of blood smears in brief.
  3. Write an essay on importance of medical diagnostics and employment opportunities.

[9]

  1. Which worms are used in vermicompost?
  2. Explain about storing and packing of vermicompost.
  3. What are the various precautions taken while vermicomposting?

[10]

  1. What is immunity? Explain the difference between innate and adaptive immunity.
  2. Describe Krebs cycle in brief.
  3. Describe the structure of the adrenal gland and explain the various hormones secreted by it.

[11]

  1. Write the different stages of dairy development in India.
  2. Mention the various government schemes for dairy development in India.
  3. Explain dairy farm record keeping and maintenance in detail.

[12]

  1. Write a short note on the nutritional value of milk.
  2. Explain the manufacturing process of dry milk/milk powder.
  3. Describe the method of sampling of milk and milk products.

[13]

  1. Why do muscles cramp after exercise?
  2. How does exchange of oxygen and carbon dioxide occur at the respiratory surface?
  3. What causes a muscle twitch?

[14]

  1. Cite three major differences between mitosis and meiosis.
  2. What is the law of independent assortment? Explain with example.
  3. What is Karyotype? Briefly discuss the role of centromere in karyotyping.

[15]

  1. What do you understand by competition?
  2. Discuss birth rate and death rate.
  3. What is adaptation? Discuss the aquatic adaptations found in aquatic animals.

[16]

  1. Write short notes on Honey.
  2. Describe the life cycle, pathogenicity and control of Wucheraria bancrofti.
  3. Describe the life-cycle of Anopheles mosquito and explain how it damages mankind.

[17]

  1. In hemichordates, body is typically divided into?
  2. Which one of the following is an example of a lung fish?
  3. Pipe fish belongs to which order?

[18]

  1. Write short notes on pearl formation.
  2. Write the general characteristics of Phylum Echinodermata.
  3. Classify Phylum Mollusca up to orders. Give characteristics and suitable examples of each order.

[19]

  1. What is autotrophic nutrition in Euglena?
  2. What is Metagenesis? Describe the metagenesis found in Obelia.
  3. Discuss parasitic adaptations in Fasciola and Taenia.

[20]

  1. Explain the economic importance of Bacteria.
  2. Write short notes on Pesticides.
  3. Describe the Structure and Functions of an Ecosystem. Discuss the effects of diminishing diversity on productivity and stability of an ecosystem.

[21]

  1. Define immunity and differentiate between active and passive immunity with suitable examples.
  2. Give an account of the structure and functioning of a light microscope.
  3. Describe the structure and functioning of cosmid and phagemid vectors.

[22]

  1. Describe the social nature of Honey Bee.
  2. Give an account of formation and composition of pearl.
  3. Explain the importance of Plankton in fish culture.

[23]

  1. Differentiate between Circanual and Circadian Rhythm.
  2. Write a note on the dose-response relationship of toxicants.
  3. Write an essay on bird migration.

[24]

  1. Explain the concept of DNA recombinant technology.
  2. Describe the types of immunity.
  3. Explain how vaccines are formed and describe the types of vaccines with examples.

[25]

  1. Describe the structure and life history of Trypanosoma. What disease it causes? Describe method of control of this disease.
  2. Describe host parasite interaction of Giardia. Describe life cycle and symptoms of disease.
  3. Pathogenecity and clinical features of Wuchereria bancrofti. Also describe preventive measures.

[26]

  1. Classify Reptilia up to order with salient features and examples.
  2. What do you know about aerial adaptation in birds?
  3. Describe in detail the dentition in Mammals.

[27]

  1. Write a short note on phylogenetic analysis.
  2. What are the different databases used in bioinformatics analysis?
  3. Give detailed notes on single cell protein and its application in health care.

[28]

  1. What is the genotype of a child with blood group B, given one parent has blood group A and the other B?
  2. During which meiotic stage does crossing over occur?
  3. Who proposed the concept of 'unit membrane'?

[29]

  1. Describe the structure of Trypanosoma.
  2. Define Sex-limited characters and Genes.
  3. Explain Multiple allelism and Gene interaction with an example.

[30]

  1. Describe breeding in fishes by Hypophysation OR Describe the life cycle, pathogenicity and control of Giardia
  2. Define National Parks and Sanctuaries. Give an account of important national parks and sanctuaries in India OR Give a detailed account of Biosphere Reserves in India
  3. Give an account of the life cycle and pathogenicity of Trypanosoma OR Describe the by-products of the fish industry

[31]

  1. Why are viruses called connecting links between living & non-living?
  2. Define causes & effects of ozone layer depletion
  3. Describe sources, types & effects of Air Pollution

[32]

  1. Discuss BIOTIC factors OR What is INSTINCT and MOTIVATION
  2. Explain ECOLOGICAL PYRAMIDS OR Describe abiotic factor - LIGHT
  3. Discuss causes and patterns of BIRD-MIGRATION

[33]

  1. Explain the role of Genetic Engineering in agriculture OR Explain the importance of Vaccination in Human health
  2. Define innate and acquired immunity. Discuss how macrophages play a significant role in the defense system of the body
  3. What are Cloning Vectors? Describe their role in rDNA technology

[34]

  1. Phenomenon of Pearl formation in natural conditions
  2. Features of Exotic fishes with examples
  3. Preservation, processing and marketing of Fish

[35]

  1. Give an illustrated account of Biting mechanism of Poisonous snakes OR What is Snake Venom? How is antivenin prepared?
  2. Differentiate between Prototheria and Eutheria OR Write a short note on flightless birds
  3. Give a detailed account of dentition in mammals

[36]

  1. Explain the term and structural details of Placenta in a Eutherian mammal.
  2. Describe the vertebrate fauna of Nearctic and Palearctic realms.
  3. What is cleavage? Explain cleavage in frog's egg with suitable diagram.

[37]

  1. Discuss Oparin and Haldane Theory of origin of life
  2. Define Placenta and describe various kinds of Placenta in mammals
  3. Discuss importance of Java-man in evolution of men

[38]

  1. Describe type of Dentition in mamalia
  2. Classify pisces upto class with characters and examples
  3. Write distinguishing features of Prototheria, Metatheria and Eutheria

[39]

  1. Which statement is true about Coelenterata?
  2. Which Zooid is dominant in Aurelia?
  3. Which is the first stage of larva of Fasciola?

[40]

  1. Reason for Euglena's green color.
  2. Life cycle characteristics of Fasciola.
  3. Number of Paramecia produced post-conjugation.

[41]

  1. Mitochondria are indeed site of cellular respiration was confirmed by?
  2. Cell membrane is selectively permeable?
  3. A nucleoside is base + sugar?

[42]

  1. Uropods enable the prawn to do what?
  2. Blood vascular system of Annelids is?
  3. Respiratory organs present in Prawn?

[43]

  1. Main longitudinal blood vessels in Nereis?
  2. Arthropods are chiefly characterized by?
  3. Study of insects is called?

[44]

  1. The prokaryotic cell does not contain?
  2. Down's syndrome is an autosomal abnormality?
  3. Peptide bonds are involved in linking amino acids?

[45]

  1. Coelom communicates with the exterior through?
  2. Zoological name of Indian freshwater Prawn?
  3. Which of the following functions as a sensory, excretory, and balancing organ in Prawn?

[46]

  1. The endoskeleton of the cell is made up of?
  2. The Watson-Crick double-helix DNA model is called?
  3. Which organelle contains hydrolytic enzymes?

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