Recent questions tagged easy

In Arthropoda : 1. They have jointed appendages 2. As they have jointed appendages they are called arthropods. Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

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In Annelida locomotion is

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In Annelida : 1. The body surface is distinctly marked out into segments or metameres 2. Hence the phylum is named as Annelida

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Regarding Aschelminthes: Assertion (A): Members of Aschelminthes are called roundworms Reason (R): The body of worms is circular or ring like in their natural resting position Regarding (A) and (R) :

asked Jan 3, 2014 by pady_1

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If $O$ is origin, $|\overrightarrow{OP}|=3$ with $d.r.=(-1,2,-2)$ then the coordinate of $P$ is ?

asked Jan 3, 2014 by rvidyagovindarajan_1

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Choose the odd one out :

asked Jan 3, 2014 by pady_1

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Regarding Platyhelminthes : Specialised cells called flame cells help in:

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Regarding Platyhelminthes : Assertion (A): Members of Platyhelminthes are called flatworms. Reason (R): They have dorso-ventrally flattened body. Regarding (A) and (R) :

asked Jan 3, 2014 by pady_1

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Among the following members of Ctenophora are:

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Regarding Ctenophores: 1. The body bears eight external rows of ciliated comb plates 2. Comb plates help in locomotion

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Metagenesis is exibited by

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Sea-pen is:

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Portuguese man-of-war is:

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Sea anemone is :

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Choose the odd one out :

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Choose the odd one out :

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Assertion (A): The members of phylum Coelenterata are called Cnidarians . Reason (R): The cnidoblasts or cnidocytes (which contain the stinging capsules or nematocytes) present on the tentacles and the body of Coelenterata Regarding (A) and (R) :

asked Jan 3, 2014 by pady_1

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1. Animals with notochord are called chordates 2. Those animals which do not form this structure are called hemichordates Regarding 1 and 2:

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Regarding Notochord are all correct except:

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Choose the odd one out (regarding coelem):

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Choose the odd one out (regarding coelem):

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In animals: 1. Presence or absence of a cavity between the body wall and the gut wall is not important in classification. 2. The body cavity, which is lined by mesoderm is called coelom.

asked Jan 3, 2014 by pady_1

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Regarding complexity of the circulatory system in animals: 1. open type - blood is pumped out of the heart and the cells and tissues are directly bathed in it 2. closed type - blood is circulated through a series of vessels of varying diameters (arteries, veins and capillaries).

asked Jan 3, 2014 by pady_1

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Regarding complexity of digestive system in animals: 1. An incomplete digestive system has single opening to the outside of the body that serves as both mouth and anus. 2. A complete digestive system has two openings, mouth and anus.

asked Jan 3, 2014 by pady_1

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Classification of animals is based on all except:

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In Bryophytes: 1. The plant body of liverworts is thalloid and dorsiventral. 2. The plant body of mosses have upright, slender axes bearing spirally arranged leaves. Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

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Regarding Bryophytes incorrect one is:

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Regardnig Alternation of generations choose the incorrect one:

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Angiosperms include:

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Gymnosperms include:

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In pteridophytes: 1. The sporangia produce spores by meiosis in spore mother cells. 2. The spores germinate to give rise to small, multicellular,free-living, mostly photosynthetic thalloid gametophytes called prothallus. Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

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Pteridophytes include:

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Regarding liverworts : 1. The plant body of a liverwort is thalloid - dorsiventral and closely appressed to the substrate. 2. The leafy members have tiny leaf-like appendages in two rows on the stem-like structures.

asked Jan 3, 2014 by pady_1

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Assertion (A): Species of Sphagnum, a moss, is used as packing material for trans-shipment of living material Reason (R): They have capacity to hold water. Regarding (A) and (R) :

asked Jan 3, 2014 by pady_1

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Bryophytes are found commonly growing:

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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

asked Jan 3, 2014 by pady_1

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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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Habitat of Chlorophyceae -

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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:

asked Jan 3, 2014 by pady_1

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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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Choose the odd one out:

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Choose the odd one out:

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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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