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Q. No.Match items in column-I with those in column-II and choose the correct option.
Column-I
Column-II
A.
Cyclostomata
(i)
Mouth without jaws
B.
Chondrichthyes
(ii)
Exclusively oviparous
C.
Aves
(iii)
Gills without operculum
D.
Mammalia
(iv)
Unique in possessing hair
A B C D
1. (i) (ii) (iii) (iv)
2. (ii) (iii) (iv) (i)
3. (i) (iii) (ii) (iv)
4. (ii) (i) (iv) (iii)
Subtopic: Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
87%
From NCERT
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Which of the following is a common feature between Pheretima and Ascaris?
1. Presence of true coelom
2. Presence of metameres
3. Absence of pharynx
4. Presence of bilateral symmetry
1. Presence of true coelom
2. Presence of metameres
3. Absence of pharynx
4. Presence of bilateral symmetry
Subtopic: Phylum Aschelminthes | Phylum Annelida | Basis of Classification |
76%
From NCERT
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Select the incorrect match with respect to animals and their excretory structures.
1. Hirudinaria – Nephridia
2. Saccoglossus – Proboscis gland
3. Pila – Radula
4. Taenia – Flame cells
1. Hirudinaria – Nephridia
2. Saccoglossus – Proboscis gland
3. Pila – Radula
4. Taenia – Flame cells
Subtopic: Phylum Mollusca |
70%
From NCERT
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Choose the correctly matched option:
| 1. | Balanoglossus | Open-type circulation with capillaries |
| 2. | Betta | Closed type circulation without capillaries |
| 3. | Neophron | Digestive tract with crop and gizzard |
| 4. | Balaenoptera | Presence of mammary glands and pinnae |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
69%
From NCERT
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How many of the organisms given in the box below exhibit metagenesis?
Obelia, Hydra, Physalia, Aurelia, Gorgonia, Meandrina, Pennatula, Adamsia
1. One
2. Three
3. Two
4. Four
Obelia, Hydra, Physalia, Aurelia, Gorgonia, Meandrina, Pennatula, Adamsia
1. One
2. Three
3. Two
4. Four
Subtopic: Phylum Coelenterata |
From NCERT
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Organism (a) differs from (b) in having:
1. Presence of one auricle and one ventricle
2. External fertilisation
3. Separate sexes
4. Lack of capacity to regulate body temperature
1. Presence of one auricle and one ventricle
2. External fertilisation
3. Separate sexes
4. Lack of capacity to regulate body temperature
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
71%
From NCERT
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Identify phyla A and B from the following set of features in the box given below:
Select the correct option:
| Features | Phylum A | Phylum B | |
| a. | Presence of 3 germ layers | Absent | Present |
| b. | Hermaphroditism | Present | Present |
| c. | Regeneration | Present | Present in some members |
| d. | Digestive System | Absent | Incomplete |
Select the correct option:
| A | B | |
| 1. | Platyhelminthes | Arthropoda |
| 2. | Porifera | Platyhelminthes |
| 3. | Cnidaria | Aschelminthes |
| 4. | Ctenophora | Annelida |
Subtopic: Phylum Porifera | Phylum Ctenophora & Platyhelminthes |
69%
From NCERT
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Choose the correct option to complete the analogy:
Sawfish: Gill slits are present: : _____: Gill slits are absent.
1. Dogfish
2. Devilfish
3. Stingray
4. Angelfish
Sawfish: Gill slits are present: : _____: Gill slits are absent.
1. Dogfish
2. Devilfish
3. Stingray
4. Angelfish
Subtopic: Phylum Chordata |
57%
From NCERT
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Choose the correct match:
1. Balanoglossus – Stomochord
2. Cucumaria – Water canal system
3. Chaetopleura – Chitinous exoskeleton
4. Octopus – Dorsal hollow nerve cord
1. Balanoglossus – Stomochord
2. Cucumaria – Water canal system
3. Chaetopleura – Chitinous exoskeleton
4. Octopus – Dorsal hollow nerve cord
Subtopic: Phylum Hemichordata |
79%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
1. a(i), b(ii), c(iv), d(iii)
2. a(iii), b(i), c(iv), d(ii)
3. a(ii), b(iv), c(i), d(iii)
4. a(iv), b(ii), c(iii), d(i)
| Column-I | Column-II | ||
| a. | Annelids | (i) | Triploblastic acoelomate |
| b. | Platyhelminths | (ii) | Ciliated comb plates |
| c. | Aschelminths | (iii) | Metamerism |
| d. | Ctenophores | (iv) | Pseudocoelomates |
1. a(i), b(ii), c(iv), d(iii)
2. a(iii), b(i), c(iv), d(ii)
3. a(ii), b(iv), c(i), d(iii)
4. a(iv), b(ii), c(iii), d(i)
Subtopic: Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Annelida |
91%
From NCERT
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