Recent questions tagged 2012

Yeast is used in the production of

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The highest number of species in the world is represented by

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Which one of the following is a wrong statement

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Which one of the following is not a gaseous biogeochemical cycle in ecosystem

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The upright pyramid of number is absent in

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Which one of the following is not a functional unit of an ecosystem

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Which one of the following areas in India, is a hotspot of biodiversity

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Even in absence of pollinating agents seed seting is assured in

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Both, autogamy and geitonogamy are prevented in

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Which one of the following is correctly matched

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The gynoecium consists of many free pistils in flowers of

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The coconut water and the edible part of coconut are equivalent to

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The correct sequence of cell organelles during photorespiration is

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A process that makes important difference between $C_3 and C_4$ plants is

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Which one of the following is correctly matched

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Cymose inflorescence is present in

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How many plants in the list give below have composite fruits that develop from an inflorescence Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry

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Which one of the following is wrong statement

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The common bottle cork is a product of

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Phyllode is present in

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Vexillary aestivation is characteristic of the family

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Companion cells are closely associated with

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Placentation in Tomato and lemon is

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Closed vascular bundles lack

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Water containing cavities in vascular bundles are found in

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Best defined function of manganese in green plants is

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An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

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Which one of the following is not a part of a transcription unit in DNA

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Removal of introns and joining of exons in a defined order during transcription is called

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Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as

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Removal of RNA polymerase -III from nucleoplasm will affect the synthesis of

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PCR and Restriction Fragment Length Polymorphism are the methods for

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Which one of the following does not differ in E.coli and Chlamydomonas

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During gamete formation, the enzyme recombinase participates during

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Nuclear membrane is absent in

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Which one of the following is correct statement

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Which statement is wrong for viruses

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Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses

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Maximum nutritional diversity is found in the group

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Gymnosperms are also called soft wood spermatophytes because they lack

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Cycas and adiantum resemble each other in having

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Acetone is treated with excess of ethanol in the presence of hydrochloric acid. The product obtained is OPTION :

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$CH_3CHO \;and\; C_6H_5CH_2CHO$ can be distinguised chemically by :

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Which of the following statements is false ?

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Which of the following acids does not exhibit optical isomerism ?

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Predict the products in the given reaction OPTIONS :

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Which one of the following is not a condensation polymer ?

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In the following sequence of reactions $CH_3 - Br \xrightarrow{KCN} A \xrightarrow{H_3O^+} B \xrightarrow{LiAlH_4} C$ the end product (C) is :

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Which one of the following statements regarding photochemical smog is not correct ?:

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Which one of the following sets of monosaccharides forms sucrose ?

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