Total Number of Question/s - 4195

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  • 1. Reproduction in Organisms - Quiz


    1. The development of a sporophyte without fertilization from the vegetative cell of the gametophyte is called
    a) Zygospory
    b) Aplanospory
    c) Apospory
    d) Apogamy

    2. By tissue culture, indefinite number of plants from a small amount of parental tissue can be obtained. This technique is of great economic importance as
    a) New species can be generated
    b) Through somaclonal variation, a large number of variants can b isolated
    c) It is a useful method to multiply genetically uniform population of elite species
    d) Homozygous diploids can b obtained

  • 2. Sexual Reproduction in Flowering Plants - Quiz


    1. The ovule in pea are
    a) Anatropous
    b) Hemianatropous
    c) Camphylotropous
    d) Amphitropous

    2. The hilum and micropyle lie side by side very close to each other in
    a) Anatropous ovule
    b) Campylotropous ovule
    c) Amphitropous ovule
    d) Circinotropous ovule

  • 3. Human Reproduction - Quiz


    1. The ebdodermal derivatives include
    a) Thyroid
    b) Pineal gland
    c) Spleen
    d) Pituitary

    2. Foetal ejection reflex in human female is induced by or The signals for parturition originate from
    a) Pressure exerted by amniotic fluid
    b) Release of oxytocin from pituitary
    c) Fully developed foetus placenta
    d) Differentiation of mammary glands

  • 4. Reproductive Health - Quiz


    1. Test tube baby means a baby born when
    a) It develops from a non-fertilized egg
    b) It developed in a test tube
    c) It is developed through tissue culture method
    d) The ovum is fertilised externally and thereafter implanted in the uterus

    2. The study of human population statistically is known as
    a) Chromology
    b) Demography
    c) Population science
    d) Sinography

  • 5. Principles of Inheritance and Variation - Quiz


    1. Which of the following diseases belongs to the same category as colorblindness in man
    a) Nightblindness
    b) Presbyopia
    c) Diabetes incipidus
    d) Haemophilia

    2. The cross used to ascertain whether the plant is homozygous or heterozygous is
    A cross between a homozyous recessive and a heterozygous plants is called
    a) Linkage cross
    b) Reciprocal cross
    c) Test cross
    d) Monohybrid cross

  • 6. Molecular Basis of Inheritance - Quiz


    1. The sucessive nucleotides of RNA are covalently linked through or antiparallel
    a) Glycosidic bonds
    b) Phosphodiester bonds
    c) Hydrogen bonds
    d) None of these

    2. The codons causing chain termination (stop codons) are
    a) TAG, TAA, TGA
    b) GAT, AAT, AGT
    c) AGT, TAG, UGA
    d) UAG, UGA, UAA

  • 7. Evolution - Quiz


    1. Evolutionary convergence is characterized by
    a) Development by characteristics by random mating 
    b) Replacement of common characteristics in different group
    c) Development of dissimilar characteristics in closely related groups
    d) Development of a common set of characteristics in group of different ancestry

    2. Under certain conditions scientists have obtained cell-like structures. These are known as
    a) Microbes
    b) Protists
    c) Coacervates
    d) Prebiotic soup

  • 8. Human Health and Disease - Quiz


    1. At which stage of HIV infection does one usually show symptoms of AIDS
    a) Within 15 days of sexual contact with an infected person
    b) When the infecting retrovirus enters host cells
    c) When viral DNA is prosuced by reverse transcriptase
    d) When HIV replicates rapidly in helper T-lymphocytes and damages large number of these

    2. A certain patient is suspected to be suffering from Acquired Immuno deficiency Sysdrome. Which diagnostic fechnique will you recommend for its detection
    a) ELISA
    b) Australian antigen
    c) HIV test
    d) None of these

  • 9. Strategies for Enhancement in Food Production - Quiz


    1. The triticum aestivum wheat is
    a) Haploid (7 chromosome)
    b) Diploid (14 chromosome)
    c) Tetraploid (30 chromosome)
    d) Hexaploid (42 chromosome)

    2. The new varieties of plants are produced by
    a) Selection and hybridization
    b) Mutation and selection
    c) Introduction and mutation
    d) Selection and introduction

  • 10. Microbes in Human Welfare - Quiz


    1. Antibiotics are mostly obtained from
    a) Fungi
    b) Actinomycetes
    c) Cyanobacteria
    d) Both (a) and (b)

    2. Flemming , Chain, and Florey were awarded the Nobel Prize in 1945 for the discovery of
    a) HIV
    b) CT scan
    c) Penicillin
    d) Staphylococcus
    e) Antibodies

  • 11. Biotechnology : Principles and Processes - Quiz


    1. An analysis of chromosomal DNA using the southern hybridization technique does not use
    a) Autoradiograpgy
    b) PCR
    c) Electrophoresis
    d) Blotting

    2. Main objective of production/use of herbicine resistant GM crops is to
    a) Encourage eco-friendly herbicides
    b) Reduce herbicide accumulation in food articles for health saftery
    c) Eliminate weeds from the field without the use of manual labour
    d) Eliminate weeds from the field without the use of herbicides

  • 12. Biotechnology and its Applications - Quiz


    1. A tumour inducing plasmid widely used in the production of transgenic plants is that of
    a) Escherichia coli
    b) Bacillus thuringiensis
    c) Staphyloccus aureus
    d) Agrobacterium tumefaciens

    2. Monoclonal antibodies are
    a) Obtained from a cell and act on ane antigen
    b) Obtained from a group of cells and act on more than one antigens
    c) Obtained from a group of same type of cells and act on single antigen
    d) Obtained from a group of same type of cells and act on more than one antigens

  • 13. Organisms and Populations - Quiz


    1. Number of brths per thousand people in the population expressed as
    a) Growth rate
    b) Crude birth rate
    c) Conception rate
    d) Reproduction rate

    2. Term ecology was proposed by
    a) William
    b) Odum
    c) Reiter
    d) Daubenmier

  • 14. Ecosystem - Quiz


    1. Which one of the following is not a functional unit of an ecosystem
    a) Energy flow
    b) Decomposition
    c) Productivity
    d) Stratification

    2. Plants growing in saline soil/high concentration of salts are
    a) Xerocytes
    b) Halophytes
    c) Heliphytes
    d) Hydrophytes

  • 15. Biodiversity and Conservation - Quiz


    1. Red data book is maintained by
    List of endangered species was released by
    The organization which publishes the Red List of species is
    a) IUCNNR
    b) The Bombay Natural History Society
    c) WPSI
    d) IUCN

    2. Red data book provides data on
    a) Red flowered plants
    b) Re coloured October
    c) Endangered plansta and animals
    d) Red eyed birds

  • 16. Environmental Issues - Quiz


    1. In which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S) distillery effluent (DE) , paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order
    a) PE < S < PE < DE
    b) Se < PE < S < DE
    c) PE < S < SE < DE
    d) S < DE < PE < SE

    2. The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen by (approx.)
    a) 200 times
    b) 2 times
    c) 1000 times
    d) 20 times

  • 17. Common Human Diseases - Quiz


    1. A person suffering from malaria feel fever when
    a) Exoerythrocytic is completed
    b) Signet stage is formed
    c) When RBC generally ruptured and haemozin granules are released
    d) All the above 

    2. Which one of the following causes plagues
    a) Salmonella typhimurum
    b) Trichinella spiralis
    c) Yersinis pestis
    d) Leishmania donovani

  • 18. Animal Husbandry - Quiz


    1. The most commonly maintained species of bee by bee-keepers is
    a) Apis mellifera
    b) Apis dordata
    c) Apis indica
    d) Apis florae

    2. Match the names given under Column I with their relations given under column II, choose the answer which gives the correct combination of the alphabets of the two columns
    A. Bombyx mori P. Disease of mulberry
    B.  Morus alba q. Centre where silkworm egg are produced and supplied
    C. Grainage r. Silk moth
    D. Powdery mildew s. Mulberry plant
        t. Freshly hatched silkworm

    a) A = q, B = r, C = s, D = t
    b) A = r, B = s, C = q, D = p
    c) A = r, B = q, C = t, D = s
    d) A = s, B = r, C = q, D = t

  • 19. Bioenergy - Quiz


    1. Red pigment (Leghaemoglobin) having affinity for oxygen is present in the roots of
    a) Mustard
    b) Soybean
    c) Carrot
    d) Radish

    2. Microbe used for biocontrol of pest butterfly caterpillars is
    a) Saccharomyces cerevisiae
    b) Bacillus thuringiensis
    c) Streptococcus sp.
    d) Trichoderma sp.

  • 20. Conservation of Natural Resources - Quiz


    1. Which of the following is an non-renewable resource
    a) Forest
    b) Coal deposit
    c) Water
    d) Wild life

    2. soil conservative is the process where
    a) Sterile soil is converted to fertile soil
    b) Sterile is aeroted
    c) Soil is erosion is allowed
    d) Soil is protected against loss

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


    1. Cyclospiorin A an immunosuppressive drug is produced by
    a) Aspergillus niger
    b) Manascus purpureus
    c) Penicillium notatum
    d) Trichoderma polysporum

    2. A person showing unpredictable moods, octbursts of emotion, quarrelsome behaviour and conflicts with other is suffering from 
    a) Mood disorders
    b) Addictive disorders
    c) Schizophrenia
    d) Borderline personality disorder (BPD)

  • 22. Biome and Biogeochemical Cycle - Quiz


    1. Given below is a simplified model of phosphorous cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks

    a) A - Detritus, B - Rock minerals, C - Producer, D - Litter fall
    b) A - Producers, B - Litter fall, C - Rock minerals, D - Detritus
    c) A - Rock minerals, B - Detritus, C - Litter fall, D - Producers
    d) A - Litter fall, B - Producers, C - Rock minerals, D - Detritus

    2. In India tropical wet evergreen rain forests are not found in
    a) Tamil Naidu
    b) Andaman
    c) West Bengal
    d) Madhyapradesh