Total Number of Question/s - 4195

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  • 1. Reproduction in Organisms - Quiz


    1. Air layering or pot layering is followed for those plants which
    a) Do not sucker readily
    b) Do not have flexible branches
    c) Both above
    d) None above

    2. Consider the following statements with rspect to reproduction in the lower living organisms
    A. Organisms like yeast and Planaria reproduces asexually by means of budding
    B. True regeneration is observed in Hydra
    C. The protonema of mosses multiply by fragmentation
    D. In the unicellular organisms like bacteria algae and Amoeba, reproduction is synonymous with growth, i.e, increase in number of cells
    Of the above statements
    a) A and B alone are correct
    b) B and C alone are correct
    c) A and D alone are correct
    d) B and D alone are correct
    e) C and D alone are correct

  • 2. Sexual Reproduction in Flowering Plants - Quiz


    1. Exine of pollen grains is composed of
    a) Pectocellulose
    b) Lignocellulose
    c) Sporopollenin
    d) Pollenkitt

    2. What does the filiform apparatus do at the entrance into ovule
    a) It brings about opening of the pollen tube
    b) It guides pollen tube from a synergid to egg
    c) It helps in the entry of pollen tube into a synrgid
    d) It prevents entry of more than one pollen tube into the embry sac

  • 3. Human Reproduction - Quiz


    1. What happens during fertilisation in human after many sperms reach close to the ovum
    a) Cells of corona radiata trap all the sperms except one
    b) Only two sperms nearest the ovum penetrate zona pellucida
    c) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
    d) All sperms except the one nearest to the ovum lose their tails

    2. In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was
    a) High level of criculating FSH and LH in the uterus to stimulate implantation of the embryo
    b) High level of criculating HCG to stimulate endometrial thickening
    c) High level of FSH and LH in uterus to stimulate endometrial thickening
    d) High level of criculating HCG to stimulate estrogn and progesterone synthesis

  • 4. Reproductive Health - Quiz


    1. What is the figure given below showing in particular

    a) Ovarian cancer
    b) Uterine cancer
    c) Tubectomy
    d) Vasectomy

    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. How many different kinds of gametes will be produced by a plant having the genotype AABbCC
    a) Nine
    b) Two
    c) Three
    d) Four

    2. Sexual reproduction leads to
    a) Genetic recombination
    b) Polyploidy
    c) Aneuploidy
    d) Euploidy

  • 6. Molecular Basis of Inheritance - Quiz


    1. For transformation, micro-particles coated with DNA to be bombarded with gene are made up of
    a) Silver or platinum
    b) Platinum or zinc
    c) Silicon or platinum
    d) Gold or Tungsten

    2. Which one of the following hydrolyses internal phosphodiester, bonds in a polynucletide chain
    a) Lipase
    b) Exonucleases
    c) Endonuclease
    d) Protease

  • 7. Evolution - Quiz


    1. Natural selection Theory of Darwin is objected to, because it
    a) Stresses upon slow and small variations
    b) Stresses upon interspecific competition
    c) Explains that natural calamities take a heavy annular toll of lives
    d) Explains , adaptation of certain inherited charcters

    2. Which one of the following is a living fossil
    a) Sphenodon
    b) Heloderma
    c) Rabbit
    d) Frog

  • 8. Human Health and Disease - Quiz


    1. AIDS is caused by
    a) Blood cancer
    b) HTLV-III
    c) Bacterium
    d) TMV

    2. Full form of AIDS is
    a) Anti immune deficiency syndrome
    b) Auto immune deficiency syndrome
    c) Acquired immuno deficiency syndrome
    d) Acquired immune disease symptom

  • 9. Strategies for Enhancement in Food Production - Quiz


    1. The technique of obtaining large number of plantless by tissue culture methods is called
    To meet the demands of the society, in vitro production of a large number of plantless in a short duration in foriculture and hoticulture industry today. This is called
    a) Micropropagation
    b) Macropropagation
    c) Plantlet culture
    d) Organ culture

    2. Crop cultivation was first started in
    a) Nile river valley
    b) Chinese river valley
    c) Northern plains of India
    d) All of the above

  • 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. A compound which is produced by an organism and inhibits growth of other organism is called
    a) Antigen
    b) Antibiotic
    c) Antibody
    d) Interferon

  • 11. Biotechnology : Principles and Processes - Quiz


    1. Genetic engineering has been sucessfully used for producing
    a) Animals like bulls for farm work as they have super power
    b) Transgenic mice for testing safety of polio vaccine before use in humans
    c) Transgenic models for studying new treatments for certain cardiac diseases
    d) Transgenic Cow-Rosie which produces high fat milk for making ghee

    2. Branch dealing with genetic engineering is
    a) Eugenics
    b) Euthenics
    c) Euphenics
    d) None of these

  • 12. Biotechnology and its Applications - Quiz


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

    2. Which one of the following is now being commericially produced by bitechnological procedures
    a) Nicotine
    b) Morphine
    c) Quinine
    d) Insulin

  • 13. Organisms and Populations - Quiz


    1. Release of phosphayes and nitrates in water bodies (i.e.rivers and lakea) lead to
    a) Increased algae growth
    b) Increased growth of decomposer
    c) Nutrient enrichmant
    d) Reduced alage growth

    2. Stopage of reproduction in an prganism by creating hurdle in its biology or pyhsiology or its distruction by use of another organism is known as
    a) Predation
    b) Competiton
    c) Biological control
    d) Physiological control

  • 14. Ecosystem - Quiz


    1. The word "ecosystem" was first coined by
    a) Weaver and Clements
    b) A.G. Tansley
    c) E.P. Odum
    d) By all the above

    2. Which of the following is source of energy to an ecosystem
    a) Solar energy
    b) Sugar stored
    c) Heat liberated during respiration
    d) ATP

  • 15. Biodiversity and Conservation - Quiz


    1. Biosphere reserves are being threatned with
    a) Population growth
    b) Rains
    c) Pollution
    d) All the above

    2. In India, we find mangoes with  different flavours, colours, fibre content, sugar content and even shelf life. The large variation is ion account of
    a) Species diversity
    b) Induced mutations
    c) Genetic diverdity
    d) Hybridization

  • 16. Environmental Issues - Quiz


    1. Acid rain is caused due to increase in concentration of (in atmosphere)
    a) SO2 and NO2
    b) CO and CO2
    c) CO and SO3
    d) O3 and dust

    2. The pollution in city like Delhi may be controlled to great extent
    a) By proper sewage and proper exit of chemicals from factoriey
    b) By wide roads and factories away from the city
    c) By cleaning city and scanty use of pesticides
    d) Al of the above

  • 17. Common Human Diseases - Quiz


    1. The secondary host of malaria parasite is
    Plasmodium is inoculated in human body
    a) Male culex
    b) Male anopheles
    c) Female culex
    d) Female anopheles

    2. Which disease is caused by a nematode
    a) Leprocy
    b) Poliomyelitis
    c) Amoebiasis
    d) Filariasis

  • 18. Animal Husbandry - Quiz


    1. Silk industry is related to
    a) Sericulture
    b) Apiculture
    c) Pisciculture
    d) Horiculture

    2. Mule is a product of
    a) Breeding
    b) Mutation
    c) Hybridisation
    d) Interspecific hybridisation

  • 19. Bioenergy - Quiz


    1. Fuel wood is
    a) Source of petroleum products
    b) Renewable resource of energy
    c) Source of biogas
    d) Source of alcohol

    2. Select the correct statement from the following
    a) Activated sludge-sediment in settlement tyanks of sewage treatment plant is a rich source of aerobic bacteria
    b) Biogas is produced by the activity of aerobic bacteria an animal waste
    c) Methanobacterium is an aerobic bacterium found in eumen of cattle
    d) Biogas, commonly called gobar gas, is pure methane

  • 20. Conservation of Natural Resources - Quiz


    1. A renewable of exhaustible natural resources is
    a) Forest
    b) Coal
    c) Pertroleum
    d) Minerals

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

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


    1. Women who consumed the drug thalidomide for relief from vomiting during early months of pregenancy have birth to children with
    a) No spleen
    b) Hare-lip
    c) Extra fingers and toes
    d) Underdeveloped limbs

    2. Which one of the following is a stimulant
    a) LSD
    b) Cocaine
    c) Opium
    d) Heroin

  • 22. Biome and Biogeochemical Cycle - Quiz


    1. Treeless biome of cold climate is
    a) Savannah biome
    b) Chapparal biome
    c) Temperate biome
    d) Tundra biome

    2. CO2 of atmosphere has increased in the last 150 years from
    a) 25 to 35 ppm
    b) 270 to 340 ppm
    c) 0.027 to 0.34 ppm
    d) 0.2 to 0.3 ppm