Recent questions tagged class11

Assertion (A):The members of rhodophyceae predominantly have r-phycoerythrin in their body Reason (R): r-phycoerythrin, a red pigment gives them red colour hence commonly called red algae Regarding (A) and (R) :

asked Jan 3, 2014 by pady_1

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Some commonly found green algae are all except:

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Some commonly found green algae are all except:

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The common member/s of Rhodophyceae are all except:

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The common form/s of Phaeophyceae are all except:

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The common member/s of Rhodophyceae are all except:

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The common member/s of Rhodophyceae are :

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The common form/s of Phaeophyceae are :

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In Phaeophyceae: Union of gametes may take place

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In Phaeophyceae: Union of gametes may take place within the oogonium

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Assertion (A): The members of phaeophyceae or brown algae vary in colour from olive green to various shades of brown Reason (R): Colour depends upon the amount of the xanthophyll pigment, fucoxanthin present in them Regarding (A) and (R) :

asked Jan 3, 2014 by pady_1

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The members of phaeophyceae or brown algae are found primarily in :

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Some commonly found green algae are all except:

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Green algae usually have a rigid cell wall made of :

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The chloroplasts of Members of Chlorophyceae may not be of ___________ shape (choose the best response)

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Assertion (A): The members of chlorophyceae are usually grass green Reason (R): Green colour is due to the dominance of pigments chlorophyll a and b. Regarding (A) and (R) :

asked Jan 3, 2014 by pady_1

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Members of Rhodophyceae mostly grow in -

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Members of Phaeophyceae rarely grow in -

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Habitat of Chlorophyceae -

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Regarding Algae's ecological importance choose the incorrect one:

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Regarding Algae choose the correct one:

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Regarding Phylogenetic classification systems which one is incorrect:

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One of the natural classification systems developed by George Bentham and Joseph Dalton Hooker for classification of flowering plants did not include:

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The earliest systems of classification :

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Organisms that are not included in the five kingdom system of classification are:

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Assertion (A): Infectious free RNA that caused potato spindle tuber disease was named as viroid Reason (R): It was named so because the RNA of the viroid was of low molecular weight.

asked Jan 3, 2014 by pady_1

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Of the following which is not a viral disease:

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In plants, the symptoms of viral diseases are:

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viruses contain:

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Regarding viruses, which of the following is incorrect?

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Acellular organisms are:

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Regarding nutrition in Kingdom Animalia:

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Plantae includes:

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Regarding Asexual spores: 1. Deuteromycetes - generally not found 2. Basidiomycetes- reproduce only by asexual spores

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Choose the odd one out:

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Choose the odd one out:

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Choose the odd one out:

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Choose the odd one out:

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Choose the odd one out:

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Choose the odd one out:

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Regarding nutrition in Fungi - choose the incorrect one:

asked Jan 3, 2014 by pady_1

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For what value of n is $\frac{a^{n+1}+b^{n+1}}{a^n+b^n}$ the GM of 4 and 16.

asked Jan 3, 2014 by yamini.v

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Choose the odd one out:

asked Jan 3, 2014 by pady_1

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Identify the wrongly matched:

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Regarding Chrysophytes which of the following is not a feature:

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Under unfavourable condition Bacteria reproduction is by:

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Regarding Mycoplasma choose the incorrect statement:

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Of the following which is not a type of Bacteria reproduction:

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Regarding cyanobacteria choose the right statement:

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Assertion (A) : Biogas is produced from the dung of cows and buffaloes Reason (R) : Methanogens are present in the gut of ruminant animals and they are responsible for the production of methane from their dung. Regarding (A) and (R)

asked Jan 3, 2014 by pady_1

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