Which of the following options correctly represent the characteristic features of phylum Annelida?

1. Triploblastic, unsegmented body, and bilaterally symmetrical.
2. Triploblastic, a segmented body, and bilaterally symmetrical.
3. Triploblastic, flattened body, and acoelomate condition.
4. Diploblastic, mostly marine and radially symmetrical.

Subtopic:  Phylum Annelida |
 88%
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NEET - 2020
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Match the following group of organisms with their respective distinctive characteristics and select the correct option:

Organisms

Characteristics

(a)

Platyhelminthes

(i)

Cylindrical body with no segmentation

(b)

Echinoderms

(ii)

Warm blooded animals with direct development

(c)

Hemichordates

(iii)

Bilateral symmetry with incomplete digestive system

(d)

Aves

(iv)

Radial symmetry with indirect development

 
Options: (a) (b) (c) (d)
1. (iii) (iv) (i) (ii)
2. (ii) (iii) (iv) (i)
3. (iv) (i) (ii) (iii)
4. (i) (ii) (iii) (iv)

Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Echinodermata | Phylum Hemichordata | Study of Aves & Mammals |
 84%
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NEET - 2020
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Match the following columns and select the correct option :

Column I Column II
(a) Aptenodytes  (i) Flying fox
(b) Pteropus  (ii) Angel fish
(c) Pterophyllum  (iii) Lamprey
(d) Petromyzon  (iv) Penguin

    

Options: (a) (b) (c) (d)
1. (iii) (iv) (ii) (i)
2. (iii) (iv) (i) (ii)
3. (iv) (i) (ii) (iii)
4. (ii) (i) (iv) (iii)

Subtopic:  General Introduction: Vertebrates & Agnatha | Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
 78%
From NCERT
NEET - 2020
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All vertebrates are chordates but all chordates are not vertebrates, why?

1.  Notochord is replaced by a vertebral column in the adults of some chordates.
2. The ventral hollow nerve cord remains throughout life in some chordates.
3. All chordates possess a vertebral column.
4. All chordates possess notochords throughout their lives. 

Subtopic:  Phylum Chordata |
 81%
From NCERT
NEET - 2020
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The figure shows four animals (a), (b), (c) and (d). Select the correct answer with respect to a common characteristic of two of these animals:

(a) (b)
(c) (d)

1. (c) and (d) have a true coelom
2. (a) and (d) respire mainly through body wall
3. (b) and (c) show radial symmetry
4. (a) and (b) have cnidoblasts for self-defence

Subtopic:  Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Arthropoda | Phylum Mollusca |
 76%
From NCERT
AIPMT - 2011
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The similarity between Ascaris lumbricoides and Anopheles stephensi is:
1. Sexual dimorphism
2. Metamerism
3. Anaerobic respiration
4. Endoparasitism

Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Arthropoda |
 59%
From NCERT
AIPMT - 2000
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Match List - I with List - II

 List-I  List-II
 (a) Metamerism  (i) Coelenterata
 (b) Canal system  (ii) Ctenophora
 (c) Comb Plates  (iii) Annelida
 (d) Cnidoblasts  (iv) Porifera

Choose the correct answer from the options given below:

Options: (a) (b) (c) (d)
1. iii iv ii i
2. iv i ii iii
3. iv iii i ii
4. iii iv i ii
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Annelida |
 81%
From NCERT
NEET - 2021
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Match the following
 

List-I List-II
(a) Physalia
(b) Limulus
(c) Ancylostoma
(d) Pinctada
I. Pearl oyster
II. Portuguese Man of War
III. Living fossil
IV. Hookworm


Choose the correct answer from the options given below:

Options: (a) (b) (c) (d)
1. ii iii iv i
2. i iv iii ii
3. ii iii i iv
4. iv i iii ii
Subtopic:  Phylum Coelenterata | Phylum Aschelminthes | Phylum Arthropoda | Phylum Mollusca |
 85%
From NCERT
NEET - 2021
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Which one of the following organisms bears hollow and pneumatic long bones? 

1. Macropus

2. Ornithorhynchus

3. Neophron

4. Hemidactylus

Subtopic:  Study of Aves & Mammals |
 73%
From NCERT
NEET - 2021
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A): All vertebrates are chordates but all chordates are not vertebrates.
Reason (R): Notochord is replaced by vertebral column in the adult vertebrates.
 
In the light of the above statements, choose the most appropriate answer from the options given below:
1. (A) is false, (R) is true.
2. Both (A) and (R) are true and (R) correctly explains (A).
3. Both (A) and (R) are true and (R) does not correctly explain (A).
4. (A) is true, (R) is false.
Subtopic:  Phylum Chordata |
 75%
From NCERT
NEET - 2022
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