Recent questions tagged 2011

Which one of the following shows maximum genetic diversity in India ?

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Which one of the following statements is correct for secondary succession?

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Which one of the following expanded forms of the following acronyms is correct ?

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Large Woody Vines are more commonly found in :

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Eutrophication is often seen in :

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Secondary sewage treatment is mainly a :

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Which one of the following statements is wrong in case of Bhopal tragedy ?

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Mass of living matter at a trophic level in an area at any time is called :

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In which one of the following pollination is autogamous ?

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Wind pollination is common in :

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What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells ?

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Filiform apparatus is a characteristic feature of

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Nucellar polyembryony is reported in species of :

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A prokaryotic autotrophic nitrogen fixing symbiont is found in

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Of the total incident solar radiation the proportion of PAR is

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CAM helps the plants in :

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Flowers are Zygomorphic in :

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Which one of the following is wrongly matched?

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The cork cambium, cork and secondary cortex are collectively called :

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The ovary is half inferior in flower of :

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In land plants, the guard cells differ from other epidermal cells in having :

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Ground tissue includes :

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A drupe develops in :

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Which one of the following elements is plants is not remobillised ?

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The function of leghaemoglobin in the root nodules of legumes is :

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Nitrifying bacteria :

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The correct floral formula of chilli is :

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Which one of the following statements is correct ?

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Which one of the following also acts as a catalyst in a bacterial cell ?

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A collection of plants and seeds having diverse alleles of all the genes of a crop is called :

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Mutations can be induced with :

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In eubacteria, a cellular component that resembles eukaryotic cell is :

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Peptide synthesis inside a cell takes place in :

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Important site for formation of glycoproteins and glycolipids is :

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The gametophyte is not an independent, free living generation in :

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Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tend to be

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Archegoniphore is present in :

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Which one of the following have the highest number of species in nature ?

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Organisms called Methanogens are most abundant in a :

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The "Eyes" of the potato tuber are :

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Which one of the following statement is not true ?

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Which one of the following statements is not true regarding (+) Lactose ?

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Which one of the following is employed as Antihistamine ?

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Clemmensen reduction of a ketone is carried out in the presence of which of the following ?

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The correct IUPAC name of the compound <br>

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The Lassaigne's extract is boiled with conc. $HNO_3$ while tessting for halogens. By doing so it :

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In the following reactions, <br> <br> the major product (A) and (C) are respectively :

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Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear?

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Which one is a nucleophilic substitution reaction among the following ?

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Which one of the following is most reactive towards electrophilic reagent ?

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