Recent questions tagged medium

In Chondrichthyes, Heart is

asked Jan 3, 2014 by pady_1

1 answer

Class – Chondrichthyes : 1. The skin is tough, containing minute placoid scales. 2. Teeth are modified placoid scales Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

1 answer

In Chondrichthyes, Gill slits are

asked Jan 3, 2014 by pady_1

1 answer

Class – Chondrichthyes : 1. Mouth is located dorsally. 2. Notochord is present only in embryonic life. Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

1 answer

1. All living members of the class Cyclostomata are ectoparasites 2. Fishes are their hosts. Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

1 answer

Division Gnathostomata includes all except:

asked Jan 3, 2014 by pady_1

1 answer

vertebrates have a ventral muscular heart with :

asked Jan 3, 2014 by pady_1

1 answer

Ascidia, Branchiostoma, Doliolum, Salpa

asked Jan 3, 2014 by pady_1

1 answer

Choose the odd one out:

asked Jan 3, 2014 by pady_1

1 answer

Protochordates are : 1. Subphyla Tunicata and Cephalochordata 2. They may be marine or terrestrial. Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

1 answer

Protochordates are :

asked Jan 3, 2014 by pady_1

1 answer

Phylum Chordata is divided into subphyla:

asked Jan 3, 2014 by pady_1

1 answer

1. Chordates : A post- part (tail) is present. 2. Non-chordates : Post- tail is absent. Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

1 answer

Regarding position of heart :- 1. In Chordates : dorsal 2. In Non-chordates : ventral (if present).

asked Jan 3, 2014 by pady_1

1 answer

1. Chordates : Gill slits are absent. 2. Non-chordates : Pharynx perforated by gill slits. Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

1 answer

Regarding Central nervous system :- 1. In Chordates : dorsal, hollow and single. 2. In Non-chordates : ventral, solid and double.

asked Jan 3, 2014 by pady_1

1 answer

Members of Phylum – Chordata : (i) possess a post **** tail (ii) possess a closed circulatory system Regarding (i) and (ii):

asked Jan 3, 2014 by pady_1

1 answer

Members of Phylum – Chordata are

asked Jan 3, 2014 by pady_1

1 answer

Animals belonging to phylum Chordata are fundamentally characterised by the presence of

asked Jan 3, 2014 by pady_1

1 answer

Regarding Phylum – Echinodermata : 1. Fertilisation is usually external. 2. Development is indirect with free-swimming larva. Regarding 1 and 2 :

asked Jan 3, 2014 by pady_1

1 answer

Regarding Phylum – Echinodermata : 1. Reproduction is sexual. 2. Fertilisation is always internal. Regarding 1 and 2 :

asked Jan 3, 2014 by pady_1

1 answer

Regarding Phylum – Echinodermata : 1. The most distinctive feature of echinoderms is the presence of water vascular system. 2. An excretory system is absent Regarding 1 and 2 :

asked Jan 3, 2014 by pady_1

1 answer

In Mollusca gills have respiratory and excretory functions.

asked Jan 3, 2014 by pady_1

1 answer

Molluscs have :

asked Jan 3, 2014 by pady_1

1 answer

By habitat Molluscs are :

asked Jan 3, 2014 by pady_1

1 answer

Scorpion and Prawn belong to

asked Jan 3, 2014 by pady_1

1 answer

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

asked Jan 3, 2014 by pady_1

1 answer

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

asked Jan 3, 2014 by pady_1

1 answer

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

asked Jan 3, 2014 by pady_1

1 answer

The second largest phylum of Animalia is

asked Jan 3, 2014 by pady_1

1 answer

The largest phylum of Animalia is

asked Jan 3, 2014 by pady_1

1 answer

Choose the odd one out:

asked Jan 3, 2014 by pady_1

1 answer

Choose the odd one out:

asked Jan 3, 2014 by pady_1

1 answer

Choose the odd one out:

asked Jan 3, 2014 by pady_1

1 answer

Choose the odd one out:

asked Jan 3, 2014 by pady_1

1 answer

In Annelida: Nephridia (sing. nephridium) help in

asked Jan 3, 2014 by pady_1

1 answer

In Annelida:

asked Jan 3, 2014 by pady_1

1 answer

Aquatic annelids like Nereis possess _____________ which help in swimming.

asked Jan 3, 2014 by pady_1

1 answer

Regarding Annelida are all correct except:

asked Jan 3, 2014 by pady_1

1 answer

Regarding Annelida are all correct except:

asked Jan 3, 2014 by pady_1

1 answer

Choose the odd one out :

asked Jan 3, 2014 by pady_1

1 answer

Aschelminthes are all except:

asked Jan 3, 2014 by pady_1

1 answer

Regarding Aschelminthes:

asked Jan 3, 2014 by pady_1

1 answer

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

asked Jan 3, 2014 by pady_1

1 answer

Regarding Ctenophores:

asked Jan 3, 2014 by pady_1

1 answer

In Cnidarians: 1. Metagenesis is exibited by Obelia 2. Some of the cnidarians like corals have a skeleton composed of calcium carbonate

asked Jan 3, 2014 by pady_1

1 answer

Alternation of generation or Metagenesis in Cnidarians 1. Polyps produce medusae asexually 2. Medusae form the polyps sexually Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

1 answer

Some of the cnidarians have a skeleton composed of:

asked Jan 3, 2014 by pady_1

1 answer

1. Cnidarians exhibit tissue level of organisation 2. Cnidarians are triploblastic Regarding 1 and 2:

asked Jan 3, 2014 by pady_1

1 answer

Cnidoblasts are used for all except:

asked Jan 3, 2014 by pady_1

1 answer

Ask Questions, Get Answers