Recent questions in Biology

An example for *** influenced ihneritance

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When one gene influences the expression of another non - allelic gene it is termed as :

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A male child is colour blind and his blood group is " AB " . Identify the parents from the following pairs :

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An example for holandric inheritance is :

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Darwinian fitness is lowered from minimum to zero, to check the undue accumulation of deleterious mutations

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For a gene with two alleles, if the gene frequency of the recessive gene is 0.2, what is the genotypic frequency of homozygous dominant ?

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Reptilian feature of Archaeopteryx ?

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Feathers can seen only in nestlings :

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Loreal pit in vipers act as which receptor ?

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In rabbit ginglymoid joint is found in, both :

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The number of lobes in the left lung of rabbit :

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The hormone used for suppressing allergies, rheumatoid arthritis and tissue inflammation is :

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If alpha cells in the pancreas of an adult rabbit are destroyed, the process affected is :

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The stimulation of which receptors bring, about Micturation in rabbit ?

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Kryotype means a :

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Identify the trisaccharide in the following

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When are the glogi bodies of a cell made non - functional ?

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The underground stem of this genus is a rhizome :

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Night queen and day king belong to one of the following genera :

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The characteristic fruit type in Asteraceae is

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In the flowers of Fabaceae, one of the following immediately encloses the essential organs

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In Bentham and Hooker's classification the way of arrangement of the three series of polypetalae reflects this gradual evolution of flower from :

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In pulses the proteins are stored in :

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In which plant, two curved hooks are formed on the seed ?

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The term scutellum refers to :

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Gloriosa superba is a good example of one of the following :

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In obdlplostemonous androecium the stamens are arranged in :

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In Cyathium inflorescunce, the ratio between male and female flowers is :

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Alternate phyllotaxy in which the sixth leaf lies above the first leaf after completing two circles is known as :

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A leafy vegetable which has ochraceous stipules :

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Which one of the following has thorns, bearing leaves and flowerson them ?

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A plant with specialized epidermis for absorption of moisture from the atmosphere is :

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Which one of the following acheived the production of Chrysanthemum varieties with prolonged blooming periods

asked Dec 8, 2013 by thanvigandhi_1

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The taxon ' Pentoxylae ' was reconstructed by

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Exposure to light inhibits the process of germination in the seeds of the following plants :

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Natural auxins are synthesised from the amino acid :

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When malic acid is the respiratory substance :

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The microelement required for the synthesis of IAA is represented in its ionic form as a cofactor in this enzyme :

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In photosynthetic electron transport system, manganese ions are associated with

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Which of the following is needed both in photosynthesis and respiration ?

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Sleeping movements in Samanea saman leaves are regulated by

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The risk of spoilage is less in salted pickles because of :

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Which one of the following is not associated with ascent of sap in tall trees ?

asked Dec 8, 2013 by thanvigandhi_1

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An abnormal increase in the cell number due to the infection is called :

asked Dec 8, 2013 by thanvigandhi_1

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In pedigree method of hybridization up to which generation, the plants are tested and released for cultivation ?

asked Dec 6, 2013 by thanvigandhi_1

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Xanthomonas citri posses :

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The plant breeder who developed the first artificial hybrid ?

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Clay particles are :

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An example of physiological xerophyte is :

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The viruses with nucleic acid but without protein coat are known as :

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