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Q. No.Choose the option which fills the blank correctly to complete the analogy.
Sea pen : Radial symmetry :: Liver fluke:______
1. Asymmetry
2. Radial symmetry
3. Biradial symmetry
4. Bilateral symmetry
Subtopic: Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes |
86%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
(a) (b) (c) (d)
1. (i) (ii) (iii) (iv)
2. (iv) (iii) (ii) (i)
3. (ii) (iv) (i) (iii)
4. (i) (iii) (ii) (iv)
| Column-I | Column-II | ||
| (a) | Exocoetus | (i) | Tympanum represents the ear |
| (b) | Trygon | (ii) | Marine bony fish |
| (c) | Salamandra | (iii) | Air sacs connected to lungs |
| (d) | Aptenodytes | (iv) | Cartilaginous marine fish |
(a) (b) (c) (d)
1. (i) (ii) (iii) (iv)
2. (iv) (iii) (ii) (i)
3. (ii) (iv) (i) (iii)
4. (i) (iii) (ii) (iv)
Subtopic: Study of Reptilia | Study of Aves & Mammals | Super Class Pisces & its General Characteristics |
88%
From NCERT
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Select the incorrect match:
| 1. | Porifers | Body with pores and canals in walls |
| 2. | Coelenterates | Presence of cnidoblasts |
| 3. | Platyhelminthes | Flat body and suckers |
| 4. | Arthropods | Chitinous exoskeleton, comb plates |
Subtopic: Phylum Ctenophora & Platyhelminthes | Phylum Arthropoda |
87%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
A B C D
1. (i) (ii) (iii) (iv)
2. (ii) (iii) (iv) (i)
3. (i) (iii) (ii) (iv)
4. (ii) (i) (iv) (iii)
| 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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