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Q. No.
Assertion (A):
Platyhelminthes are commonly known as flatworms
Reason (R):
They have a dorso-ventrally flattened body
In the light of above statements, choose the correct answer from the options given below
1.
Both (A) and (R) are true and (R) is the correct explanation for (A)
2.
Both (A) and (R) are true but (R) is not the correct explanation for (A)
3.
(A) is true, (R) is false
4.
(R) is true (A)is false
Subtopic: Phylum Platyhelminthes |
94%
Level 1: 80%+
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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(iii), d(iv)
2. a(iii), b(iv), c(ii), d(i)
3. a(iii), b(i), c(iv), d(ii)
4. a(iii), b(ii), c(i), d(iv)
| Column-I | Column-II | ||
| a. | Planaria | (i) | Indirect development |
| b. | Ctenoplana | (ii) | Gills are covered by an operculum on each side |
| c. | Petromyzon | (iii) | Possess high regeneration capacity |
| d. | Exocoetus | (iv) | Migrates for spawning to freshwater |
1. a(i), b(ii), c(iii), d(iv)
2. a(iii), b(iv), c(ii), d(i)
3. a(iii), b(i), c(iv), d(ii)
4. a(iii), b(ii), c(i), d(iv)
Subtopic: Phylum Ctenophora | Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes |
91%
Level 1: 80%+
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Read the following statements carefully and choose the correct answer from the options given below
| (a) | Statocysts are balancing organs present in aquatic insects such as prawn |
| (b) | Mollusca is the 2nd largest phylum of animal kingdom which includes Limulus |
| (c) | Insects are bilaterally symmetrical, triploblastic, segmented and coelomate animals |
| (d) | Molluscs have segmented body with a distinct head, muscular foot and visceral hump |
| (e) | In all echinoderms, digestive system is complete with mouth on the dorsal side and anus on the ventral side |
| 1. | Statements (a), (b), and (c) are correct |
| 2. | Statements (a) and (c) are correct |
| 3. | Statements (b), (c), and (d) are correct |
| 4. | Only Statements (c) is correct |
Subtopic: Phylum Arthropoda | Phylum Mollusca |
Level 3: 35%-60%
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Match column-I with column-II and choose the correct option
| Column -I | Column-II | ||
| A. | Protochordates | (i) | Homoiothermous |
| B. | Aves | (ii) | Circular mouth without jaws |
| C. | Agnatha | (iii) | Exclusively marine |
| D. | Pisces | (iv) | Streamlined body and bear fins |
| A | B | C | D | |
| 1. | (i) | (ii) | (iv) | (iii) |
| 2. | (iii) | (i) | (ii) | (iv) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Phylum Chordata | Super Class Pisces & its General Characteristics |
90%
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| Assertion (A): | All vertebrates are chordates but all chordates are not vertebrates |
| Reason (R): | Protochordates are chordates in which vertebral column is absent throughout their life |
In the light of above statements choose the correct answer from the options given below
| 1. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
| 2. | Both (A) and (R) are true but (R) is the correct explanation of (A) |
| 3. | (A) is true but (R) is false |
| 4. | (A) is false but (R) is true |
Subtopic: Phylum Chordata |
Level 3: 35%-60%
Hints
Match column-I with column-II and choose the correct answer
1. (a)-(i), (b)-(ii), (c)-(iv), d-(iii)
2. (a)-(iv), (b)-(ii), (c)-(i), d-(iii)
3. (a)-(ii), (b)-(i), (c)-(iv), d-(iii)
4. (a)-(ii), (b)-(iv), (c)-(iii), d-(i)
| Column I | Column II | ||
| (a) | Ancylostoma | (i) | Monoecious |
| (b) | Fasciola | (ii) | Sexual dimorphism |
| (c) | Ctenoplana | (iii) | Brain coral |
| (d) | Meandrine | (iv) | Only sexual reproduction is present |
2. (a)-(iv), (b)-(ii), (c)-(i), d-(iii)
3. (a)-(ii), (b)-(i), (c)-(iv), d-(iii)
4. (a)-(ii), (b)-(iv), (c)-(iii), d-(i)
Subtopic: Phylum Annelida | Phylum Arthropoda | Phylum Mollusca |
76%
Level 2: 60%+
Hints
Match column-I with column-II and choose the correct option:
| Column-I | Column-II | ||
| A. | Vipera | (i) | Oil gland at the base of the tail |
| B. | Columba | (ii) | Heterodont dentition |
| C. | Scoliodon | (iii) | Crawling mode of Locomotion |
| D. | Panthera | (iv) | Pelvic fins bear claspers in males |
| 1. | A(i), B(ii), C(iv), D(iii) |
| 2. | A(iii), B(i), C(iv), D(ii) |
| 3. | A(iv), B(ii), C(i), D(iii) |
| 4. | A(iii), B(iv), C(ii), D(i) |
Subtopic: Study of Amphibians | Study of Reptilia | Study of Aves & Mammals |
93%
Level 1: 80%+
Hints
Match column-I with column-II and select the correct option
| Column-I | Column-II | ||
| a. | Euspongia | (i) | Liver fluke |
| b. | Fasciola | (ii) | Bath sponge |
| c. | Ophiura | (iii) | Hagfish |
| d. | Myxine | (iv) | Brittle star |
| a | b | c | d | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (ii) | (iv) | (iii) | (i) |
| 3. | (ii) | (i) | (iv) | (iii) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Phylum Porifera | Phylum Coelenterata | Phylum Aschelminthes |
92%
Level 1: 80%+
Hints
Match the following:
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (i) (iv) (iii) (ii)
2. (iii) (i) (iv) (ii)
3. (ii) (iii) (i) (iv)
4. (iii) (i) (ii) (iv)
| List I | List II | ||
| (a) | Hydra | (i) | Cuttlefish |
| (b) | Sepia | (ii) | Gregarious pest |
| (c) | Wuchereria | (iii) | Freshwater polyp |
| (d) | Locusta | (iv) | Filarial worm |
(a) (b) (c) (d)
1. (i) (iv) (iii) (ii)
2. (iii) (i) (iv) (ii)
3. (ii) (iii) (i) (iv)
4. (iii) (i) (ii) (iv)
Subtopic: Phylum Coelenterata | Phylum Aschelminthes | Phylum Arthropoda |
93%
Level 1: 80%+
Hints
Read the following statements.
Choose the correct answer from the options given below.
1. (a), (b), (c) are correct
2. (b), (c), (d) are correct
3. (c), (d), (e) are correct
4. (d) and (e) are correct
| a. | Metagenesis is observed in all coelenterates. |
| b. | Echinoderms are exclusively marine, triploblastic, and monoecious animals. |
| c. | Roundworms are coelomates with complete digestive tract. |
| d. | Comb plates present in ctenophores help in locomotion. |
| e. | Water canal system is a characteristic of sponges. |
Choose the correct answer from the options given below.
1. (a), (b), (c) are correct
2. (b), (c), (d) are correct
3. (c), (d), (e) are correct
4. (d) and (e) are correct
Subtopic: Phylum Porifera | Phylum Ctenophora |
62%
Level 2: 60%+
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