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Important Questions for "zoology":

[1]

  1. Explain the following in brief: (i) Obligate parasite (ii) Alternate host (iii) Cleistothecium (iv) Zoosporangium (v) NPN
  2. Describe the characteristics of the following: (i) Alternaria (ii) Rhizopus (iii) Puccinia (iv) Synchytrium (v) Penicillium
  3. Write the important characteristics of the following: (i) Vancheria (ii) Cladophora (iii) Volvox (iv) Polysiphonia

[2]

  1. Give a brief account of chief characters of the kingdom fungi with example.
  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. Give a brief account of the classification of fungi according to Alexopolous, Mims, and Blackwell.
  2. Describe the differential characteristics of Penicillium and Mucor.
  3. Describe major characteristics of Oedogonium and support your answer with suitable diagrams.

[4]

  1. Write short notes on: (a) Cleistothecia (b) Wart disease of potato (c) Ascariasis (d) Pseudopodia (e) Parasitic algae (f) Loose smut of wheat (g) Diatomaceous earths (h) Agar-agar.
  2. Describe the process of reproduction in Oedogonium.
  3. Discuss the thallus organization in fungi.

[5]

  1. Write about the base composition of DNA.
  2. Explain Mendel's law of independent assortment.
  3. Describe the complete and incomplete dominance with suitable examples.

[6]

  1. Write a note on Peroxisome.
  2. What is Pedigree analysis? Explain with the help of a family tree chart.
  3. Describe in detail the Mendel's laws of Inheritance with suitable examples.

[7]

  1. Write a note on functions of Nucleus.
  2. What are extra embryonic membranes?
  3. Describe the development of chick upto the formation of primitive streak.

[8]

  1. Write a brief note on historical prospective of medical diagnostics in context of India.
  2. Describe cause, symptoms and diagnosis of Hepatitis.
  3. Write an essay on causes, symptoms, diagnostics and prevention measures of Covid-19.

[9]

  1. Which worms are used in vermicompost?
  2. Explain about storing and packing of vermicompost.
  3. Discuss the various nutrient contents of vermicompost and their role in agriculture.

[10]

  1. Write a note on Alzheimer's disease.
  2. Describe the structure of the adrenal gland and explain the various hormones secreted by it.
  3. Describe the mechanism of respiration in mammals.

[11]

  1. Describe the problems faced in the dairy manufacturing sector.
  2. Explain crossbreeding techniques in cattle.
  3. Mention the various government schemes for dairy development in India.

[12]

  1. Write a short note on the nutritional value of milk.
  2. Explain the manufacturing process of dry milk/milk powder.
  3. Write methods of preserving raw milk.

[13]

  1. Which monosaccharide is classified as a pentose?
  2. What happens to the Hb-O2 dissociation curve when blood pH decreases?
  3. What is common among noradrenaline, acetylcholine, and serotonin?

[14]

  1. Differentiate between A and B type of DNA.
  2. Cite three major differences between mitosis and meiosis.
  3. Describe the structure of mitochondria. Explain how transport of electrons across mitochondrial membrane helps in phosphorylation (ATP synthesis).

[15]

  1. What is an interferon? Describe its role.
  2. What is adaptation? Discuss the aquatic adaptations found in aquatic animals.
  3. What is toxicity? Discuss various factors influencing toxicity.

[16]

  1. Describe the methods for rat control in detail.
  2. Name any four National Parks in India. How do they differ from sanctuaries? Describe any two National Parks with examples.
  3. What do you understand by Wildlife Conservation? What is the necessity to conserve them? Explain the various efforts made for wildlife conservation.

[17]

  1. Pipe fish belongs to which order?
  2. Meroblastic and discoidal cleavage is characteristic of?
  3. Formation of Archenteron occurs in which stage of development?

[18]

  1. Write short notes on swarming.
  2. Write short notes on pearl formation.
  3. Describe the reproduction system of Hirudinaria with a suitable diagram.

[19]

  1. Explain the endoskeleton of Sycon.
  2. What are the free swimming larvae of Fasciola?
  3. Describe the life cycle of Monocystis. Draw diagrams also.

[20]

  1. What are STDs? Mention their symptoms and control measures.
  2. Write short notes on Bio-indicators.
  3. Write an essay on Important Five Viral and Bacterial Diseases in Humans.

[21]

  1. What is the industrial use of genetic engineering?
  2. Describe mean, median, and mode with suitable examples.
  3. Describe the structure and functioning of cosmid and phagemid vectors.

[22]

  1. Describe in-situ and ex-situ conservation of wildlife.
  2. Describe the economic importance of insects.
  3. Differentiate between National Park and Sanctuary. Give the names of two National Parks and two Sanctuaries.

[23]

  1. What is the Law of Ten Percent?
  2. Write short notes on any two: Ecological Succession, Aquatic Adaptation, Terrestrial Adaptation.
  3. Write an essay on bird migration.

[24]

  1. Describe the types of immunity.
  2. Explain the role of Biotechnology in food processing.
  3. Explain the principle and function of electrophoresis.

[25]

  1. What is Pest control? What are biological methods of pest control?
  2. Write a note on mosquito and diseases.
  3. Describe host parasite interaction of Giardia. Describe life cycle and symptoms of disease.

[26]

  1. Describe the characteristic features of Hemichordata.
  2. Differentiate between poisonous and Non-poisonous snakes.
  3. Classify Reptilia up to order with salient features and examples.

[27]

  1. Write a short note on histogram and pie chart.
  2. What are the different databases used in bioinformatics analysis?
  3. Find the mean, median, and mode of the given data.

[28]

  1. What happens when two alleles come together, but only one expresses itself?
  2. What ratio is observed in offspring from the cross AABb x aaBb?
  3. Where does the Krebs cycle take place?

[29]

  1. Differentiate between Gram positive and Gram negative bacteria.
  2. Describe the structure of Trypanosoma.
  3. Explain Multiple allelism and Gene interaction with an example.

[30]

  1. In situ conservation of wildlife
  2. Write an essay on Fish Diseases
  3. Describe poultry farming, its products and diseases

[31]

  1. Define Adaptation. Write the various types of Aerial & Arboreal adaptation of animals
  2. Define an ecosystem and explain it with an example of a Pond ecosystem
  3. Discuss causes & patterns of migration in birds

[32]

  1. Describe GRAM-POSITIVE and GRAM-NEGATIVE bacteria OR Describe bacterial endospore
  2. Explain ECOLOGICAL PYRAMIDS OR Describe abiotic factor - LIGHT
  3. Explain DOSE-RESPONSE relationship and also add a note on margin of safety

[33]

  1. Explain the role of Genetic Engineering in agriculture OR Explain the importance of Vaccination in Human health
  2. What are DNA ligases? Discuss their importance OR Define Standard Error. How is it calculated?
  3. Define innate and acquired immunity. Discuss how macrophages play a significant role in the defense system of the body

[34]

  1. Pathology, prevention and control of Trypanosoma
  2. Difference between National Parks and Wild Life Sanctuaries with a list of names
  3. In-situ and ex-situ conservation of wild life

[35]

  1. Give a precise account of Lung fishes OR Write note on different types of scales found in fishes
  2. Give characters of Class Amphibia. Classify it up to orders giving salient features and examples of each order
  3. Distinguish between poisonous and nonpoisonous snakes

[36]

  1. Describe the vertebrate fauna of Nearctic and Palearctic realms.
  2. Discuss and define mutation. How mutation theory proves organic evolution?
  3. With the help of suitable diagrams describe the formation of Extra-Embryonic membranes in Chick.

[37]

  1. Define Fate-map and describe it in chick
  2. Discuss Oparin and Haldane Theory of origin of life
  3. Define Placenta and describe various kinds of Placenta in mammals

[38]

  1. Describe Retrogressive metamorphosis in Herdmania
  2. Classify pisces upto class with characters and examples
  3. Describe blood vascular system of Amphioxus

[39]

  1. Encystment takes place in condition of?
  2. Parasitic animals have well developed?
  3. Colony of Obelia polyp is?

[40]

  1. Food storage cell in sponge.
  2. Taxonomic classification of sea pen.
  3. Totipotent cell type in Porifera.

[41]

  1. The core particle of nucleosome is made up of following histones?
  2. In Mitosis, the centromere divides and chromatids are separated during?
  3. Chiasma shows the sites of crossing over?

[42]

  1. Water vascular system is found in?
  2. Compound eyes in Prawn form superposition image in?
  3. Compound eyes in arthropods form apposition images in?

[43]

  1. In Nereis, the number of eyes is?
  2. Botryoidal tissue is found in which class?
  3. Process of respiration in Nereis?

[44]

  1. Branch of science which deals with the improvement of human race genetically is called?
  2. Which of the following is not an example of eukaryotic cell?
  3. Meiosis is that kind of cell division in which the cell divides twice and chromosomes divide once?

[45]

  1. Podobranch gill of Prawn is present at?
  2. Mode of respiration in Pila?
  3. Daphnia is commonly known as?

[46]

  1. The distance between two base pairs of a DNA strand is?
  2. The study linking heredity with the environment is called?
  3. Which chromosome determines male sex in humans?

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