Q. No.Bony endoskeleton is present in
(i) Pristis
(ii) Hippocampus
(iii) Icthyophis
(iv) Myxine
1.
(i), (ii), (iii), (iv)
2.
(ii), (iii) only
3.
(ii) only
4.
(ii), (iii), (iv) only
(i) Pristis
(ii) Hippocampus
(iii) Icthyophis
(iv) Myxine
Match the organism in Column-I with its excretory structure in Column-II
|
Column-I |
Column-II |
||
|
(A) |
Cockroach |
(p) |
Nephridia |
|
(B) |
Earthworm |
(q) |
Proboscis gland |
|
(C) |
Balanoglossus |
(r) |
Kidney |
|
(D) |
Clarias |
(s) |
Malpighian tubules |
1. (A)(s),(B)(p),(C)(q),(D)(r)
2. (A)(s),(B)(p),(C)(r),(D)(q)
3. (A)(q),(B)(p),(C)(r), (D)(s)
4. (A)(s), (B)(q),(C)(r),(D)(p)
Which one of the following sets of animals belong to a single taxonomic group?
1. Cuttlefish, jellyfish, silverfish, dogfish, starfish
2. Bat, pigeon, butterfly
3. Monkey, chimpanzee, man
4. Silkworm, tapeworm, earthworm
Select the correct statement about class-Aves
| 1. | They are warm blooded (homoiothermous) animals and are able to maintain a constant body temperature |
| 2. | Respiration occurs through lungs and air sacs connected to lungs for supplement respiration |
| 3. | They are oviparous with separate sexes, internal fertilisation and direct development |
| 4. | All of the above |
The animals belonging to all the following groups are exclusively marine except:
1. Ctenophora
2. Porifera
3. Protochordata
4. Echinodermata
A land snail, a clam, and an octopus all share
1. a mantle
2. calcareous shell
3. a radula
4. distinct cephalization
Which of the following combinations of phylum and description is incorrect?
| 1. | Echinodermata–branch Bilateria, coelom from archenteron |
| 2. | Nematoda–roundworms, pseudocoelomate |
| 3. | Cnidaria–radial symmetry, polyp and medusa body forms |
| 4. | Porifera - gastrovascular cavity, mouth from blastopore |
Match Column - I with Column - II and choose the correct option
| Column - I | Column - II | ||
| a. | A vector of disease | (i) | Bombyx |
| b. | A gregarious pest | (ii) | Limulus |
| c. | A living fossil | (iii) | Locusta |
| d. | An economically important | (iv) | Culex insect |
| 1. | a(iii), b(ii), c(i), d(iv) |
| 2. | a(i), b(ii), c(iii), d(iv) |
| 3. | a(ii), b(iv), c(iii), d(i) |
| 4. | a(iv), b(iii), c(ii), d(i) |
Which of the following set of animals belong the phylum hemichordate?
1. Balanoglossus, Saccoglossus
2. Salpa, Doliolum
3. Petromyzon, Myxine
4. Dentalium, Chaetopleura
Which of the following structure is associated with
locomotion ?
| (i) | Parapodia. |
| (ii) | Water vascular system. |
| (iiii) | Radula. |
| (iv) | Proboscis. |
1. (i), (ii), (iii), (iv)
2. (i) only
3. (i), (ii) only
4. (i), (iii) only
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