Bioluminescence is well marked in member of which phylum?

1. Porifera

2. Echinodermata

3. Ctenophora

4. Platyhelminthes

Subtopic:  Phylum Ctenophora |
 94%
Level 1: 80%+
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Correct flow water current in sponges is:-

1. Ostia OsculumSpongocoelOutside

2. OsculumSpongocoelOstiaOutside

3. OstiaSpongocoelOsculumOutside

4. OsculumOstiaSpongocoelOutside

Subtopic:  Phylum Porifera |
 84%
Level 1: 80%+
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Tube within a tube plan is found in

1. Coelenterata

2. Ctenophora

3. Platyhelminthes

4. Aschelminthes

Subtopic:  Phylum Aschelminthes |
 69%
Level 2: 60%+
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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 |
Level 3: 35%-60%
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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 |
 80%
Level 1: 80%+
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Which one of the following is not the function of cnidoblasts (sting cell)?

1. Anchorage

2. Defense

3. Caputure of prey

4. Reproduction

 

Subtopic:  Phylum Coelenterata |
 93%
Level 1: 80%+
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In Planaria, waste material of food digestion and Nitrogenous waste material removed from

1. Mouth and mouth

2. Body wall and body wall

3. Mouth and Flame-cell

4. Mouth and Body wall

Subtopic:  Phylum Platyhelminthes |
 82%
Level 1: 80%+
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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 |
 69%
Level 2: 60%+
NEET - 2020
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Bilaterally symmetrical and acoelomate animals are exemplified by:

1. Platyhelminthes

2. Aschelminthes

3. Annelida

4. Ctenophora

Subtopic:  Phylum Platyhelminthes |
 78%
Level 2: 60%+
NEET - 2020
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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 | Phylum Arthropoda | Phylum Echinodermata |
 86%
Level 1: 80%+
NEET - 2020
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