The central nervous system in chordates is not:
1. Single
2. Hollow
3. Ventral
4. Derived from embryonic ectoderm

 

Subtopic:  Phylum Chordata |
 72%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Animals with water vascular system:
 
1. have a well developed excretory system
2. exhibit bilateral symmetry as adults
3. have an endoskeleton of calcareous ossicles
4. are all fresh water species
Subtopic:  Phylum Echinodermata |
 77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

A free-living organism with a dorso-ventrally flattened body and a very high regeneration capacity is:
1. Taenia solium
2. Fasciola hepatica
3. Planaria
4. Ascaris
Subtopic:  Phylum Platyhelminthes |
 89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

What is the number of animals, amongst the animals given below, that have both a four-chambered heart and endothermy?

Crocodilus, Aptendytes, Canis, Calotes, Struthio, Delphinus, Testudo, Ichthyophis

1. 3 2. 4
3. 5 4. 6
Subtopic:  Phylum Chordata | Study of Reptilia | Study of Aves & Mammals |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Body not segmented but presence of three regions – a proboscis, a trunk, a collar and presence of a stomochord are the features seen in:
1. Myxine 2. Ascidia
3. Saccoglossus 4. Branchiostoma
Subtopic:  Phylum Hemichordata |
 85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Match each item in Column I with one in Column II and select the correct match from the codes given:
COLUMN I COLUMN II
A. Petromyzon P A jawless vertebrate
B. Icthyophis Q A limbless amphibian
C. Struthio R A flightless bird

Codes
A B C
1. Q R P
2. Q P R
3. P Q R
4. P R Q
Subtopic:  Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Amphibians | Study of Aves & Mammals |
 88%
From NCERT
Please attempt this question first.
Hints

advertisementadvertisement

Identify the incorrectly matched pair:
1. Obelia Metagenesis
2. Planaria Free living with high regeneration capacity
3. Ancylostoma Acoelomate
4. Nereis Parapodia
Subtopic:  Phylum Coelenterata | Phylum Ctenophora | Phylum Aschelminthes | Phylum Annelida |
 85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

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 options given below:
1. (A) is False but (R) is True.
2. Both (A) and (R) are True and (R) correctly explains (A).
3. Both (A) and (R) are True and (R) does not correctly explain (A).
4. (A) is True but (R) is False.
Subtopic:  Phylum Chordata |
 74%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

In which of the following animals, the digestive tract has additional chambers like crop and gizzard?
1. Pavo, Psittacula, Corvus 
2. Corvus, Columba, Chameleon
3. Bufo, Balaenoptera, Bangarus
4. Catla, Columba, Crocodilus 
Subtopic:  Study of Aves & Mammals |
 81%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

advertisementadvertisement

Air bladder is found in:

1. Osteichthyes 2. Aves
3. Cyclostomata 4. Chondrichthyes
Subtopic:  Comparative study of Cartilagenous & Bony Fishes | Class Osteichthyes |
 75%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital