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Q. No.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
Radula
P
Osteichthyes
B
Operculum
Q
Molluska
C
Flame cell
R
Flat worms
D
Hair
S
Mammalia
Codes:
A
B
C
D
1.
P
S
Q
R
2.
Q
P
R
S
3.
Q
R
P
S
4.
R
Q
S
P
Subtopic: Phylum Ctenophora & Platyhelminthes | Phylum Mollusca | Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
94%
From NCERT
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The cell shown in the figure is used in:
| 1. | capturing prey in Cnidarians |
| 2. | generating water current in sponges |
| 3. | osmoregulation in rotifers |
| 4. | movement in ctenophores |
Subtopic: Phylum Coelenterata |
92%
From NCERT
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Notochord is a:
| 1. | endodermally derived rod-like structure formed on the dorsal side during embryonic development in some animals. |
| 2. | endodermally derived rod-like structure formed on the ventral side during embryonic development in some animals. |
| 3. | mesodermally derived rod-like structure formed on the dorsal side during embryonic development in some animals. |
| 4. | mesodermally derived rod-like structure formed on the ventral side during embryonic development in some animals. |
Subtopic: Phylum Chordata |
82%
From NCERT
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What would not be true for cyclostomes?
| 1. | All are endoparasites on some fishes. |
| 2. | They have aa circular mouth without jaw. |
| 3. | Body is devoid of scales and paired fins. |
| 4. | Circulation is of closed type. |
Subtopic: Phylum Chordata |
70%
From NCERT
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Homoiothermy and a four chambered muscular heart is seen in:
I: Mammals
II: Crocodiles
III: Birds
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Study of Aves & Mammals |
68%
From NCERT
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A ‘sea-horse’ is a:
1. marine bony fish
2. fresh water bony fish
3. cartilaginous fish
4. cyclostome
1. marine bony fish
2. fresh water bony fish
3. cartilaginous fish
4. cyclostome
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
77%
From NCERT
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Subtopic: Phylum Chordata |
85%
From NCERT
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The members of which of the following animal phyla are not exclusively marine?
1. Porifera
2. Ctenophora
3. Echinodermata
4. Hemichordata
1. Porifera
2. Ctenophora
3. Echinodermata
4. Hemichordata
Subtopic: Phylum Porifera |
76%
From NCERT
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Unlike roundworms, flatworms:
1. are triploblastic
2. exhibit bilateral symmetry
3. do not have a coelom
4. reproduce only by sexual methods
Subtopic: Phylum Ctenophora & Platyhelminthes | Basis of Classification |
76%
From NCERT
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The human liver fluke:
| 1. | is a cestode and requires two intermediate hosts – a cow and a pig |
| 2. | is a trematode and requires two intermediate hosts – a chicken and a fish |
| 3. | is a nematode and requires two intermediate hosts – a fish and a pig |
| 4. | is a trematode and requires two intermediate hosts – a snail and a fish |
Subtopic: Phylum Ctenophora & Platyhelminthes |
66%
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