Q. No.The lungs shown in the given diagram belong to the respiratory system of:
1.
Amphibians
2.
Reptiles
3.
Birds
4.
Mammals
The box given below has a list of animals. What is the number of animals in the list that have a true coelom but not a segmented body?
| Meandrina, Chaetopleura, Cucumaria, Ancylostoma, Bombyx, Aplysia, Amphioxus, Antedon |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
Match each item in Column I with one item in Column II and select the correct match from the codes given:
| COLUMN I | COLUMN II | ||
| A | Largest marine animal phylum | P | Arthropoda |
| B | Largest animal phylum | Q | Mollusca |
| C | Largest vertebrate class | R | Pisces |
| D | Largest vertebrate endotherm class | S | Aves |
Codes
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | P | Q | S | R |
| 4. | Q | P | R | S |
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The diagram below shows the body plan of a:
| 1. | Cephalochordate | 2. | Cyclostome |
| 3. | Cartilaginous fish | 4. | Bony fish |
The larvae in echinoderms are:
| I. Radially symmetrical | II. Free swimming |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
In a typical mollusc:
I. Head, muscular foot, and visceral hump are body segments.
II. Mantle over the visceral hump is formed by a layer of skin.
III. Radula is a file-like rasping organ
1. Only III is correct
2. Only II and III are correct
3. Only I and III are correct
4. Only I and II are correct
Identify the correct statements regarding the members of Phylum Aschelminthes:
I. Their body is circular in cross-section
II. Alimentary canal is complete
III. Males, are often, longer than females
| 1. | Only II | 2. | Only I and II |
| 3. | Only II and III | 4. | Only III |
The structure marked ‘X’ in the given diagram is:
| 1. | used in generating water current in sponges |
| 2. | a cell used for capturing prey in Cnidarians |
| 3. | a sticky cell used for anchorage in comb jellies |
| 4. | an excretory and osmoregulatory cell in flatworms |
What do you see in the given picture?
| 1. | Tube sponges |
| 2. | Cnidarian polyps connected by calcium carbonate |
| 3. | Echinoderm anthozoans |
| 4. | Comb jellies |
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