Total Number of Question/s - 4195

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  • 1. Reproduction in Organisms - Quiz


    1. In some species parthenogenesis may alternate with sexual reproduction this process is called
    a) Complete parthenogenesis
    b) Incomplete or cyclic parthenogenesis
    c) Both the above
    d) None of the above

    2. Vegetative propagation in Pistia occurs by
    a) Stolen
    b) Offset
    c) Runner
    d) Sucker

  • 2. Sexual Reproduction in Flowering Plants - Quiz


    1. Cross pollination in crop plant is known as
    a) Autogamy
    b) Allogamy
    c) Cleistogamy
    d) Chasmogamy

    2. In which one of the following would you expect to find glyoxysomes
    a) Endosperm of wheat
    b) Endosperm of castor
    c) Palisade cells in leaf
    d) Root hairs

  • 3. Human Reproduction - Quiz


    1. Periblastula is found in
    a) Man
    b) Insects
    c) Sycon
    d) Reptiles

    2. The sperm penetrates the ovum mainly
    a) Mechanically
    b) Chemically
    c) Electrostatically
    d) Thermally

  • 4. Reproductive Health - Quiz


    1. The techinque called gamete intrafallopian transfer (GIFT) is recommended for those females
    a) Whose cervical canal is too narrow to allow passage for the sperms
    b) Who can not provide suitable environment for fertilization
    c) Who can not produce an ovum
    d) Who can not retain the foetus inside uterus

    2. Surigical removed or cutting and ligation of the ends of oviduct is known as
    a) Tubectomy
    b) Oviductomy
    c) Vasectomy
    d) Ovarioctomy

  • 5. Principles of Inheritance and Variation - Quiz


    1. If Mendel had studied the seven trains using a plant with 12 chromosomes instead of 14, in what way would his interpretation have been different
    a) He could have mapped the chromosome
    b) He would have discovered blending or incomplete dominance
    c) He would not have discovered the law of independent assortment
    d) He would have discovered sex linkage

    2. Lambbrush chromosomes are found inside
    a) Salivary glands of Drosophila
    b) Salivary glands of silk moth
    c) Oocytes of frog
    d) Nucleus of man

  • 6. Molecular Basis of Inheritance - Quiz


    1. Exon part of m-RNA has code for
    a) Protein
    b) Lipid
    c) Phospholipid
    d) Carbohydrate

    2. In DNA of certain organism, guanine consititutes 20% of the bases. What percentage of the bases would be adenine
    a) 0%
    b) 10%
    c) 20%
    d) 30%
    e) 40%

  • 7. Evolution - Quiz


    1. Author of Philosophique Zoologique is
    a) Mendel
    b) Darwin and Wallace
    c) Lamarck
    d) Darwin

    2. Which one of the following in birds, indicates their reptilian ancestry
    a) Two special chambers crop and gizzard in their digestive tract
    b) Eggs with a calcareous shell
    c) Scales on their jind limbs
    d) Four chambered heart

  • 8. Human Health and Disease - Quiz


    1. Sensitivity to any allergen is related to
    a) Deviation from the process of immunity
    b) Age of the person
    c) Eating habit
    d) Rise in environmental temperature

    2. B.C.G. vaccine is used against
    a) T.B.
    b) Leprosy
    c) Food poisoning
    d) None of these

  • 9. Strategies for Enhancement in Food Production - Quiz


    1. Which of the following is a transgenic plant
    a) Flavr savr
    b) Ashbya gossypii
    c) Meloidogyne incognita
    d) Gluconubacter oxidans

    2. Which of the following is generally used for induced mutagenesis in crop plants
    a) X-rays
    b) UV (260 nm)
    c) Gamma rays (from cobaly 60)
    d) Alpha particles

  • 10. Microbes in Human Welfare - Quiz


    1. Which one of the following is not used in the production of yoghurt
    a) Streptococcus lactis
    b) Streptococcus thermophilus
    c) Lactobacillus bulgaricus
    d) Acetobacter aceti

    2. Yeast is used in the production of
    a) Citric acid and lactic acid
    b) Lipase and pectinase
    c) Bread and beer
    d) Cheese and butter

  • 11. Biotechnology : Principles and Processes - Quiz


    1. Which one of the following is used as vector for cloning genes into higher organisms
    a) Retrovirus
    b) Baculovirus
    c) Salmonella typhimurium
    d) Rhizopus nigricans

    2. Recombinant DNA (rDNA) technology is related with
    a) C. Darwin
    b) Stanley Cohen
    c) Herbert Boyer
    d) Both (b) and (c)

  • 12. Biotechnology and its Applications - Quiz


    1. An example of gene therapy is
    a) Production of injectable Hepatitis B vaccine
    b) Production of vaccines in food crops like potatoes which can be eaten
    c) Introduction of gene for adenosine deaminase in persons suffering from Severe Combined Immuno-deficiency (SCID)
    d) Production of test tube babies by artificial insemination and implantation of fertilized eggs

    2. Hybridomas are employed for
    a) Synthesis of antibiotics
    b) Killing cancer cells
    c) Synthesis of monoclonal (somaclonal) antibiotics
    d) Production od somatic hybrids

  • 13. Organisms and Populations - Quiz


    1. The figure below is diagrammatic representation of response of organisms to abiotic factors. What do a, b, and c represent respectively

    a) (a) - regulator, (b) - conformer, (c) - partial regulator
    b) (a) -conformer, (b) - regulator, (c) - partial regulator
    c) (a) - regulator, (b) - partial regulator, (c) - conformer
    d) (a) - partial regulator, (b) - regulator, (c) - conformer

    2. E.P. Odum is a leading
    a) Bryologist
    b) Physiologist
    c) Ecologist
    d) Mycologist

  • 14. Ecosystem - Quiz


    1. If bamboo plant is growing in a far forest then what will be its trophic level
    a) First
    b) Second
    c) Third
    d) Fourth

    2. In a food chain, lion is
    a) Secondary consumer
    b) Primary consumer
    c) Tertiary consumer
    d) Secondary producer

  • 15. Biodiversity and Conservation - Quiz


    1. Identify the incorrect statement among the following statements on the effects of deforestation
    a) It destroys the natural habitat of wild animals
    b) It altera the local weather patterns
    c) It speeds up nutrient recycling
    d) It leads to soil erosion

    2. One of the most important functions of botancial gardens is that
    a) They provide a beautiful area for recreation
    b) One can observe tropical plants there
    c) They allow ex-situ conservation of germplasm
    d) They provide the natural habitat for wild life

  • 16. Environmental Issues - Quiz


    1. Which of the following are true
    (i) Benzene hexachloride is a non biodegradable pollutant
    (ii) Anthropogenic air pollutants are natural in origin
    (iii) Carbon monoxide is a primary air pollutant
    (iv) Sulphur dioxide causes brown air effect during traffic congestion in cities
    a) (i) and (ii) only
    b) (i) and (ii) only
    c) (ii) and (iii) only
    d) (iii) and (iv) only
    e) (i) and (iv) only

    2. The noise produced in office as normally at the level of
    a) 20 db.
    b) 30 db.
    c) 40 db.
    d) 60 db.

  • 17. Common Human Diseases - Quiz


    1. Where will you loof for the sprozoites of the malarial parasite
    a) Salivary glands of freshly moulted female anopheles mosquito
    b) Saliva of infected female anopheles mosquito
    c) Red blood corpuscles of humans suffering from malaria
    d) Spleen of infected humans

    2. Diseased caused by the bitting of Culex mosquito is
    a) Filariasis
    b) Dengue fever
    c) Yellow fever
    d) Pneumonia

  • 18. Animal Husbandry - Quiz


    1. Select the group having only buffalo breeds of India from the following
    a) Surti, Mehsana, Murrah, Nagpuri
    b) Mehsana, Murrah, Magpuri, Haryana
    c) Maurrah, Nagpurim Haryana, Ongole
    d) Nagpuri, Haryana, Ongole, Sindhi

    2. Technique of cryopreservation is used for
    a) Preservation of various tissues
    b) Preservation od semen of goos quality bulls
    c) Preservation of very young foetuses
    d) All of the above

  • 19. Bioenergy - Quiz


    1. If wheat field is inoculated with Rhizobium
    a) Soil will become nitrogen rich
    b) No effect on soil nitrogen
    c) Soil will be depleted of nitrogen
    d) Soil will become rich in calcium

    2. Which one of the following is being utilized as a source of biodiesel in the Indian countryside
    An example of Petrocrop is
    a) Euphorbia
    b) Beetroot
    c) Sugarcane
    d) Pongarmia

  • 20. Conservation of Natural Resources - Quiz


    1. National Enviromental Engineering Research Institute (NEERI) is situated at
    a) New Delhi
    b) Nagpur
    c) Bhopal
    d) Baroda

    2. Fertility of soil is measured by ability to
    a) Retain nutrients
    b) Hold organic materials
    c) Hold water
    d) Spport life

  • 21. Drug Addiction, Mental & Community Health - Quiz


    1. Which of the following stimulates the heart
    a) Mescalin
    b) Epinephrin
    c) LSD
    d) Hasish

    2. A person who is addict of alcohol gets his liver destroyed because
    a) Liver stores excess of glycogen
    b) Liver stores of starch
    c) Liver stores excess of protein
    d) Liver stores excess of fat

  • 22. Biome and Biogeochemical Cycle - Quiz


    1. Which one of the following ecosystem types has the highest annual net primary productivity
    a) Tropical rain forest
    b) Tropical decidious forest
    c) Temperate evergreen forest
    d) temperate decidous forest

    2. Plants such as Propism Ascacia and Capparis represent example of tropical
    a) Grassland
    b) Thormy deserts
    c) Decidious forests
    d) Evergreen forests