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Q. No.
Match the following phyla with their characteristic features:
Phylum
(List I)		 Characteristic Feature
(List II)
A. Chordata 1. Spicules for support
B. Porifera 2. Notochord present at some stage
C. Echinodermata 3. Segmented body
D. Annelida 4. Radial symmetry and water vascular system
 
1. A-2, B-1, C-4, D-3 2. A-3, B-1, C-4, D-2
3. A-2, B-4, C-1, D-3 4. A-4, B-1, C-2, D-3
Subtopic:  Phylum Porifera | Phylum Annelida | Phylum Echinodermata | Phylum Chordata |
 83%
Level 1: 80%+
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Which of the following statements about animals belonging to the phylum Chordata is true? 
1. All chordates possess a notochord at some stage of their life cycle. 
2. Chordates exclusively exhibit asexual reproduction. 
3. Chordates lack a dorsal hollow nerve cord. 
4. Chordates are exclusively aquatic organisms.
Subtopic:  Phylum Chordata |
 94%
Level 1: 80%+
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Which of the following is a difference between invertebrates and chordates?
1. Chordates have a ventral heart, while invertebrates have a ventral nerve cord, when present .
2. Invertebrates are capable of flight, while chordates cannot fly.
3. All invertebrates are aquatic; chordates are not.
4. Invertebrates are cold-blooded, while all chordates are warm-blooded.
Subtopic:  Phylum Chordata |
 87%
Level 1: 80%+
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How do members of hemichordates resemble chordates?
I: The body is segmented metamerically.
II: The symmetry is bilateral and they have a true coelom
 
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic:  Phylum Hemichordata | Phylum Chordata |
 66%
Level 2: 60%+
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Cyclostomes:
I: are marine but migrate for spawning to fresh water.
II: die within a few days of spawning.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Phylum Chordata |
 92%
Level 1: 80%+
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Consider the given two statements:
Assertion (A): Protochordates and Hemichordates are not chordates.
Reason(R): In protochordates, the notochord is not present throughout their life, while in hemichordates, notochord is not present at all.
 
1. Both (A) and (R) are True and (R) correctly explains (A)
2. Both (A) and (R) are True and (R) does not correctly explain (A)
3. (A) is True, (R) is False
4. (A) is False, (R) is False
Subtopic:  Phylum Hemichordata | Phylum Chordata |
 69%
Level 2: 60%+
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Column I Column II
A Branchiostoma P Notochord persisting in adult
B Ascidia Q Notochord present only in larval tail
C Pristis R Cartilaginous endoskeleton
D Catla S Bone endoskeleton
Codes:
A B C D
1. P Q R S
2. P Q S R
3. Q P R S
4. Q P S R
Subtopic:  Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes |
 76%
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Notochord:
I: is an endodermally derived rod-like structure formed on the ventral side during embryonic development in some animals.
II: is replaced by a vertebral column in vertebrates.
 
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

 
Subtopic:  Phylum Chordata |
 79%
Level 2: 60%+
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