Regarding birds, the number of correct statements from the statements given will be:

I: The forelimbs are modified into wings.
II: Flightless birds do not have feathers.
III: Skin is dry without glands except the oil gland at the base of the tail.
IV: Endoskeleton is fully ossified (bony) and the long bones are hollow with air cavities (pneumatic).
V: The hind limbs generally have scales.

1. 2
2. 3
3. 4
4. 5

Subtopic:  Study of Aves & Mammals |
 71%
From NCERT
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Which of the following statements are NOT true for the phylum-Chordata?
a. In Urochordata, notochord extends from head to tail and is present throughout their life
b. In Cephalochordata, notochord is present only in larval tail
c. Central nervous system is dorsal and hollow
d. Anus is terminal
e.  Heart, if present, is ventral 

1. Only (c) and (d)
2. Only (a) and (b)
3. Only (b) and (e)
4. Only (c) and (e)
Subtopic:  Phylum Chordata |
 77%
From NCERT
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Match List - I with List – II:
List – I List – II
(a) Metamerism (i) Ctenophora
(b) Canal system (ii) Cnidaria
(c) Comb Plates (iii) Annelida
(d) Metagenesis (iv) Porifera
Choose the correct answer from the options given below.
(a) (b) (c) (d)
1. (iii) (iv) (ii) (i)
2. (iv) (i) (ii) (iii)
3. (iv) (iii) (i) (ii)
4. (iii) (iv) (i) (ii)
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Annelida |
 84%
From NCERT
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Match List I with List II.
List I List II
A. Taenia  I. Nephridia
B. Paramoecium  II. Contractile vacuole
C. Periplaneta III. Flame cells
D. Pheretima  IV. Urecose gland
Choose the correct answer from the options given below:
Options: A B C D
1. II I IV III
2. I II III IV
3. I II IV III
4. III II IV I
Subtopic:  Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Annelida | Phylum Arthropoda |
 82%
From NCERT
NEET - 2023
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Radial symmetry is not found in adults of phylum__________
1. Echinodermata D 2. Ctenophora
3. Hemichordata 4. Coelenterata
Subtopic:  Phylum Hemichordata |
 63%
From NCERT
NEET - 2023
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Select the correct statements with reference to chordates.
A: Presence of a mid-dorsal, solid and double nerve cord.
B: Presence of closed circulatory system.
C: Presence of paired pharyngeal gill slits
D: Presence of dorsal heart.
E: Triploblastic pseudocoelomate animals.
Choose the correct answer from the options given below:
1. C, D and E only 2. A, C and D only 
3. B and C only 4. B, D and E only
Subtopic:  Phylum Chordata |
 80%
From NCERT
NEET - 2023
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The unique mammalian characteristics are:
1. pinna, monocondylic skull and mammary glands
2. hairs, tympanic membrane and mammary glands
3. hairs, pinna and mammary glands
4. hairs, pinna and indirect development
Subtopic:  Study of Aves & Mammals |
 79%
From NCERT
NEET - 2023
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 Match List - I with List - II
List-I List-II
(A) Contractile vacuole (I) Asterias
(B) Water vascular system (II) Amoeba
(C) Canal system (III) Spongilla
(D) Flame cells (IV) Taenia

Choose the correct answer from the options given below:
Options: (A) (B) (C) (D)
1. (IV) (II) (I) (III)
2. (I) (III) (II) (IV)
3. (III) (II) (I) (IV)
4. (II) (I) (III) (IV)
Subtopic:  Phylum Porifera | Phylum Ctenophora & Platyhelminthes | Phylum Echinodermata |
 85%
From NCERT
NEET - 2023
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Select the correct statements:
A: Platyhelminthes are triploblastic pseudocoelomate and bilaterally symmetrical organisms.
B: Ctenophores reproduce only sexually and fertilization is external
C: In tapeworm, fertilization is internal but sexes are not separate
D: Ctenophores are exclusively marine, diploblastic and bioluminescent organisms
E: In sponges, fertilization is external and development is direct.

Choose the correct answer from the options given below:
1. (A), (C) and (D) only 2. (B), (C) and (D) only
3. (A) and (E) only 4. (B) and (D) only
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes |
 65%
From NCERT
NEET - 2023
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Consider the given two statements:
Statement I: All members of Animalia are multicellular.
Statement II: All members of Animalia have at least a tissue grade of organisation.
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Basis of Classification |
 73%
From NCERT
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