Ascaris is characterized by:

(1) Presence of true coelom but absence of metamerism

(2) Presence of true coelom and of metamerism

(3) Absence of true coelom but presence of metamerism

(4) Presence of neither true coelom nor metamerism

 

Subtopic:  Phylum Aschelminthes |
 69%
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Identify the chordates in which the notochord persists in the adult?

(1) Tunicates                         

(2) Lancelets

(3) Cyclostomata          

(4) Bony fishes

 

Subtopic:  Phylum Chordata |
 62%
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Which of the following is not a feature of Ctenophora?

(1) Diploblastic organisms with tissue level of organization

(2) Absence of Cnidocytes

(3) Presence of internal ciliated comb plates

(4) Bio-luminescence well marked in some members

 

Subtopic:  Phylum Ctenophora & Platyhelminthes |
 67%
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In Amphibia:
I. Skin is moist without scales
II. A tympanum represents the ear
III. Fertilization is external
1. Only I and II are correct       

2. Only I and III are correct
3. Only II and III are correct            

4. I, II, III are correct

Subtopic:  Study of Amphibians |
 85%
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In which of the following animals, the body is cylindrical and is composed of an anterior proboscis, a collar and a long trunk?

(1) Hemichordates              

(2) Urochordates

(3) Cephalochordates          

(4) Vertebrate chordates

 

Subtopic:  Phylum Hemichordata |
 94%
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Pinworm, Hookworm and Filaria worm belong to:

(1) Annelida                    

(2) Platyhelminthes

(3) Aschelminthes

(4) Arthropoda

 

Subtopic:  Phylum Aschelminthes |
 84%
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Identify the incorrect statement regarding Class Cyclostomata?

(1) All are ecto-parasites on some fishes

(2) They have sucking and circular mouth without jaws

(3) Their body is devoid of scaled and paired fins

(4) The circulatory system is of open type

 

Subtopic:  General Introduction: Vertebrates & Agnatha |
 77%
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Cartilaginous fishes differ from bony fishes by :

1. presence of gill slits   

2. absence of operculum

3. presence of pectoral fins

4. presence of scales

 

Subtopic:  Phylum Chordata |
 87%
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In contrast to Annelids the Platyhelminths show

1. Absence of body cavity

2. Presence of pseudocoel

3. Radial symmetry

4. Bilateral symmetry

Subtopic:  Phylum Ctenophora & Platyhelminthes |
 73%
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The number of correct statements, regarding cockroach, amongst the given statements is:

I. Dorsal sclerites are called as sternites and the ventral sclerites are called tergites.

II. While labrum is the upper lip and labium is the lower lip, the hypopharynx acts as tongue.

III. Anal cerci are seen in both sexes but anal styles are found in male cockroaches only.

IV. Each thoracic segment bears a pair of walking legs.

V. Forewings called tegmina are use in flight while the hind wings are opaque, dark and leathery.

 1.  2       

 2.  3

 3.  4     

 4.  5

Subtopic:  Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
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