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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%+
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iv) (iii) (ii) (i)
2. (ii) (iv) (i) (iii)
3. (iii) (i) (ii) (iv)
4. (i) (iv) (iii) (ii)
| List-I | List-II | ||
| a. | Metameric segmentation | (i) | Coelenterata |
| b. | Bioluminescence | (ii) | Annelida |
| c. | Gastrovascular cavity | (iii) | Porifera |
| d. | Body with pores and canals in walls | (iv) | Ctenophora |
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iv) (iii) (ii) (i)
2. (ii) (iv) (i) (iii)
3. (iii) (i) (ii) (iv)
4. (i) (iv) (iii) (ii)
Subtopic: Phylum Porifera | Phylum Coelenterata | Phylum Annelida |
92%
Level 1: 80%+
Hints
Read the following statements and choose the correct option.
| Statement A: | Reptiles have a 3-chambered heart, except crocodiles which have a 2-chambered heart. |
| Statement B: | Superclass Pisces shows single circulation as opposed to class Aves which shows double circulation. |
| 1. | Both Statement A and Statement B are incorrect. |
| 2. | Only Statement A is correct. |
| 3. | Only Statement B is correct. |
| 4. | Both Statement A and Statement B are correct. |
Subtopic: Study of Reptilia | Super Class Pisces & its General Characteristics |
77%
Level 2: 60%+
Hints
Match Column I with Column II and select the correct option:
1. a(iv), b(iii), c(i), d(ii)
2. a(ii), b(i), c(iii), d(v)
3. a(iii), b(iv), c(i), d(ii)
4. a(iii), b(iv), c(v), d(ii)
| Column I | Column II | ||
| a. | Pennatula | (i) | Sea-lily |
| b. | Gorgonia | (ii) | Sea-hare |
| c. | Antedon | (iii) | Sea-pen |
| d. | Aplysia | (iv) | Sea-fan |
| (v) | Sea-urchin |
2. a(ii), b(i), c(iii), d(v)
3. a(iii), b(iv), c(i), d(ii)
4. a(iii), b(iv), c(v), d(ii)
Subtopic: Phylum Coelenterata |
83%
Level 1: 80%+
Hints
Match the following features to the animals. Which is the correct combination?
1. (i), (iii), (iv) and (ii), (v), (vi)
2. (i), (iv), (vi) and (ii), (iii), (v)
3. (i), (iii), (v) and (ii), (iv), (vi)
4. (i), (v), (vi) and (ii), (iii), (iv)
| (i) | Open circulatory system |
| (ii) | Closed circulatory system |
| (iii) | Earthworm |
| (iv) | Malpighian tubules |
| (v) | Nephridia |
| (vi) | Cockroach |
1. (i), (iii), (iv) and (ii), (v), (vi)
2. (i), (iv), (vi) and (ii), (iii), (v)
3. (i), (iii), (v) and (ii), (iv), (vi)
4. (i), (v), (vi) and (ii), (iii), (iv)
Subtopic: Phylum Annelida | Phylum Arthropoda |
77%
Level 2: 60%+
Hints
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