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 |
 91%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

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 |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Match column-I with column-II and choose the correct answer 
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 
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)
Subtopic:  Phylum Annelida | Phylum Arthropoda | Phylum Mollusca |
 75%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

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%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

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%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Match the following:
List-I List-II
(a) Hydra (i) Cuttlefish 
(b) Sepia (ii) Gregarious pest 
(c) Wuchereria (iii) Freshwater polyp
(d) Locusta (iv) Filarial worm 

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)
Subtopic:  Phylum Coelenterata | Phylum Aschelminthes | Phylum Arthropoda |
 94%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Read the following statements.
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 & Platyhelminthes |
 61%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Match List-I with List-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 |
 91%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

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 statements are incorrect.
2. Only statement A is correct.
3. Only statement B is correct.
4. Both statements are correct.
Subtopic:  Study of Reptilia |
 77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Match Column-I with Column-II and select the correct option:
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

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)
Subtopic:  Phylum Coelenterata |
 81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.