1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Exoskeleton of arthropods is composed of:

A
Cutin
B
Cellulose
C
Chitin
D
Glucosamine
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : All vertebrates are chordates but all chordates are not vertebrates.

Reason (R) : Notochord is replaced by vertebral column in the adult vertebrates.

In the light of the above statements, choose the most appropriate answer from the option given below:

A
Both (A) and (R) are correct and (R) is the correct explanation of (A)
B
Both (A) and (R) are correct but (R) is not the correct explanation of (A)
C
(A) is correct but (R) is not correct
D
(A) is not correct but (R) is correct
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Match the following :

List-I List-II
(a) Physalia (i) Pearl oyster
(b) Limulus (ii) Portuguese Man of War
(c) Ancylostoma (iii) Living fossil
(d) Pinctada (iv) Hookworm


Choose the correct answer from the options given below.
A
(a) (b) (c) (d)
(i) (iv) (iii) (ii)
B
(a) (b) (c) (d)
(ii) (iii) (i) (iv)
C
(a) (b) (c) (d)
(iv) (i) (iii) (ii)
D
(a) (b) (c) (d)
(ii) (iii) (iv) (i)
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Read the following statements

(1) Metagenesis is observed in Helminths.

(2) Echinoderms are triploblastic and coelomate animals.

(3) Round worms have organ-system level of body organization.

(4) Comb plates present in ctenophores help in digestion.

(5) Water vascular system is characteristic of Echinoderms.

Choose the correct answer from the options given below.
A
(2), (3) and (5) are correct
B
(3), (4) and (5) are correct
C
Round (1), (2) and (3) are correct
D
(1), (4) and (5) are correct
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