Select Question Set:
Q. No.Identify a vertebrate chordate amongst the following:
1. Ascidia
2. Doliolum
3. Brannchiostoma
4. Petromyzon
Subtopic: Phylum Chordata |
74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Radula | P | Osteichthyes |
| B | Operculum | Q | Molluska |
| C | Flame cell | R | Flat worms |
| D | Hair | S | Mammalia |
| 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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Phylum Chordata |
85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.