Recent questions tagged ch4

The water vascular system of echinoderms helps in:

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Regarding Phylum - Echinodermata :

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Regarding Phylum – Echinodermata : 1. The adult echinoderms are bilaterally symmetrical 2. The larvae are radially symmetrical Regarding 1 and 2 :

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Regarding Phylum – Echinodermata : 1. These animals have an endoskeleton of calcareous ossicles 2. All are marine Regarding 1 and 2 :

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Regarding Phylum - Echinodermata : Assertion (A): In member- of Echinodermata body is covered by calcareous ossicles Reason (R): As body is covered by calcareous ossicles they are called Echinodermata Regarding (A) and (R) :

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In Mollusca gills have respiratory and excretory functions.

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In Mollusca, body is/ has

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Molluscs have :

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By habitat Molluscs are :

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Butterfly belongs to

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Scorpion and Prawn belong to

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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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In Arthropoda : 1. They are mostly monoecious. 2. Fertilisation is usually internal. Regarding 1 and 2:

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In Arthropoda, Sensory organs present includes:

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In Arthropoda : 1. Circulatory system is of open type. 2. Excretion takes place through nephridia. Regarding 1 and 2:

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Respiratory organs in Arthropoda is/are ,

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

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In Arthropoda : 1. The body consists of head, neck, thorax and abdomen. 2. They have jointed appendages Regarding 1 and 2:

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1. Arthropods are bilaterally symmetrical, triploblastic, segmented and coelomate animals. 2. The body of arthropods is supported by chitinous endoskeleton. Regarding 1 and 2:

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Arthropods are

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The second largest phylum of Animalia is

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The largest phylum of Animalia is

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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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Annelida : Neural system consists of paired ganglia connected by :

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In Annelida: Nephridia (sing. nephridium) help in

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In Annelida:

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Aquatic annelids like Nereis possess _____________ which help in swimming.

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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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Annelida are:

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Regarding Annelida are all correct except:

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Regarding Annelida are all correct except:

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Which among the following has bilaterally symmetrical, triploblastic and acoelomate animals with organ level of organisation: (or) All of the following are pseudocoelomate except:

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Choose the odd one out :

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Aschelminthes are all except:

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Aschelminthes are:

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Regarding Aschelminthes:

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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) :

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Choose the odd one out :

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Regarding Platyhelminthes : Specialised cells called flame cells help in:

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Flatworms are :

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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) :

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Among the following members of Ctenophora are:

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The property of a living organism to emit light is called:

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