Which of the following is not correct comparison between Locusta (A) and Prawn (B), illustrated in the following diagram?

           

 

Character

Locusta (A) 

prawn (B)

1.

Body Segmentation and abdomen

Head, Thorax and Abdomen

Cephalothorax

2.

Excretory organs

Malpighian tubules

Green glands

3.

Respiratory organ

Trachea 

Gills

4.

Eye

Compound

Simple

1. 1

2. 2

3. 3

4. 4

Subtopic:  Phylum Arthropoda |
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The first nuclear transplant from an animal to an egg that produced a normal adult was performed on a
(1) frog

(2) sheep

(3) cat

(4) dog

Subtopic:  Study of Amphibians |
 65%
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Which of the following statements are true for the phylum-Chordata?

(a) In Urochordata, notochord extends from head to tail and is present throughout their life
(b) In Vertebrata, notochord is present during the embryonic period only
(c) Central nervous system is dorsal and hollow
(d) Chordata is divided into 3 sub-phyla : Hemichordata, Tunicata and Cephalochordata


1. (c) and (a)
2. (a) and (b)
3. (b) and (c)
4. (d) and (c)

Subtopic:  Phylum Chordata |
 68%
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Bilaterally symmetrical and acoelomate animals are exemplified by:

1. Platyhelminthes

2. Aschelminthes

3. Annelida

4. Ctenophora

Subtopic:  Phylum Ctenophora & Platyhelminthes |
 77%
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Match the following diseases with the causative organism and select the correct option:

Column I Column II
(a) Gregarious, polyphagous pest (i) Asterias
(b) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion
(c) Book lungs (iii) Ctenoplana
(d) Bioluminescence (iv) Locusta
 
(a) (b) (c) (d)
1. (iv) (i) (ii) (iii)
2. (iii) (ii) (i) (iv)
3. (ii) (i) (iii) (iv)
4. (i) (iii) (ii) (iv)
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Arthropoda | Phylum Echinodermata |
 85%
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Match the following columns and select the correct option.

Column I Column II
(a) 6 - 15 pairs of gill slits  (i) Trygon
(b) Heterocercal caudal fin (ii) Cyclostomes
(c) Air Bladder    (iii) Chondrichthyes
(d) Poison sting    (iv) Osteichthyes
 
Options: (a) (b) (c) (d)
1. (iii) (iv) (i) (ii)
2. (iv) (ii) (iii) (i)
3. (i) (iv) (iii) (ii)
4. (ii) (iii) (iv) (i)
Subtopic:  General Introduction: Vertebrates & Agnatha | Comparative study of Cartilagenous & Bony Fishes |
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Tube within a tube plan is found in

1. Coelenterata

2. Ctenophora

3. Platyhelminthes

4. Aschelminthes

Subtopic:  Phylum Aschelminthes |
 69%
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Correct flow water current in sponges is:-

1. Ostia OsculumSpongocoelOutside

2. OsculumSpongocoelOstiaOutside

3. OstiaSpongocoelOsculumOutside

4. OsculumOstiaSpongocoelOutside

Subtopic:  Phylum Porifera |
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Bioluminescence is well marked in member of which phylum?

1. Porifera

2. Echinodermata

3. Ctenophora

4. Platyhelminthes

Subtopic:  Phylum Ctenophora & Platyhelminthes |
 94%
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Identify the following diagrams and these represent:

1. (a) radial symmetry, (b) bilateral symmetry

2. (a) bilateral symmetry, (b) radial symmetry

3. (a) asymmetrical, (b) radial symmetry

4. (a) bilateral symmetry, (b) asymmetrical

Subtopic:  Basis of Classification:I |
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