Recent questions tagged 2007

Geometric representation of age structure is a characteristic of :-

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A high density of elephant population in an area can result in :-

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Which one of the following is not a bioindicator of water pollution ?

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In a coal fired power plant electrostatic precipitators are installed to control emission of:-

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Which one of the following is being utilized as source of biodiesel in the Indian country side ?

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Which one of the following ecosystem types has the highest annual net primary productivity ?

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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 ?

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Identify the odd combination of the habitat and the particular animal concerned :

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A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly ?

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During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge ?

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Which part of ovary in mammals acts as an endocrine gland after ovulation ?

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Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?

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A person who is on a long hunger strike and is surviving only on water, will have:-

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Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoried building starts climbing down the stairs rapidly. <br> Which hormone initiated this action ?

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A drop of each of the following, is placed separately on four slides. Which of them will not coagulate ?

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In which one of the following preparations are you likely to come across cell junctions most frequently ?

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In human body, which one of the following is anatomically correct ?

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In the human female, menstruation can be deferred by the administration of :

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Compared to a bull a bullok is docile because of:-

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Which one of the following mammalian cells is not capable of metabolizing glucose to carbon-dioxide aerobically ?

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Which one of the following is a fat-soluble vitamin and its related deficiency disease ?

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If you suspect deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence ?

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Which one of the following elements is not an essential micronutrient for plant growth ?

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Which one of the following is surrounded by a callose wall ?

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Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism ?

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In the leaves of $C_4$ plants, malic acid formation during $CO_2$ fixation occurs in the cells of :

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Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be:-

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Male gametes in angiosperms are formed by the division of:

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One gene-one enzyme relationship was established for the first time in:

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Which one of the following pairs, is not correctly matched ?

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Opening of floral buds into flowers, is a type of:

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The wavelength of light absorbed by Pr form of phytochrome is:-

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All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is:-

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The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is:-

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Passage cells are thin-walled cells found in:-

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"Foolish Seedling" disease of rice led to the discovery of :-

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Which one of the following statement is correct ?

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What is true about Nereis, Scorpion, Cockroach and Silver fish ?

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What is common between parrot, platypus and kangaroo ?

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Which one of the following is a matching pair of a body feature and the animal possessing it ?

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Select the correct statement from the following:

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Which of the following pairs are correctly matched ? <br> <img src "= "/>

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Among the human ancestors the brain size was more than 1000 CC in:-

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The concept of chemical evolution is based on-

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Industrial melanism as observed in peppered moth proves that

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One of the important consequences of geographical isolation is

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The finches of Galapogas islands provide an evidence in favour of

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The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for :-

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Adaptive radiation refers to :-

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When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed :

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