Question |
Options |
The water reached the upward parts of plants : |
Through phloem , Through xylem , Through cortex , Though epidermis
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For the measurement of transpiration the instrument used is : |
Thermometer , Potometer , Volmeter , Ammeter
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The amount of water in a blood in a blood is about : |
90 % , 92 % , 95 % , 97 %
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in amoeba ammonia diffuses out through : |
Mitochondria , Golgi Complex , Nucleus , Cell membrane
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Supporting structure of vertebral column consists of bones : |
33 , 32 , 31 , 30
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The intestine of frog develops from : |
Ectoderm , Endoderm , Mesoderm , None of these
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The gene determines maleness on chromosome is : |
SVY , STY , SRY , SPY
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In a big population the kinds of variation are : |
6 , 4 , 3, 2
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Charles Dawin was inspired by the work of his Geologist friends : |
August Weismann, Lamarck , Charles Lyell , Aristotle
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The non- living components of environment are called : |
Biotic factor , Abiotic factors , Factors , Biomass
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Primary tropic level formed by : |
Consumers , Producers , Decomposers , None of these
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Liver Fluke complete its life cycle in how many host ? |
4 , 5, 3, 2
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How many type of vascular tissue are found in plant : |
2, 8, 6, 3
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In closed circulatory system the heart pumps the blood into the : |
Capillaries , veins , Arteries , Tissues
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In earthworm excretion is carried out by : |
Nephridia , Flame cell , Excetory pores , Cilia
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Locomotion in Euglena takes place with the help of : |
Flame cell , Cilia , Psedopodia , Flageellum
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How many types of neurons are : |
2, 6, 3, 4
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The simplest method of asexual reproduction is : |
Budding , Multiple fission , Binary fission , Regeneration
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In budding the method in which bud is formed is : |
Mitosis , Meiosis , Fission , Binary fission
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James Waston and Francis Crick gave the model of DNA in : |
1950 , 1951 , 1952 , 1953
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The human genome contains about how many nucleotide pairs of DNA : |
1808 , 1809 , 1810 , 1829
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How many steps nitrogen cycle has : |
1, 2, 3, 4
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Chemical used as insecticide : |
BOD , DDT , HCl , H2SO4
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