How many of the characters given below are true for echinoderms?

I. An endoskeleton of calcareous ossicles

II. The adult echinoderms are radially symmetrical but larvae are bilaterally symmetrical.

III. They are triploblastic and coelomate animals.

IV. Digestive system is complete.

V. Water vascular system

VI. Sexual reproduction, internal fertilization and direct development.

1. 3

2. 4

3. 5

4. 6

Subtopic:  Phylum Echinodermata |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which of the following is not seen in hemichordates?

1. A tripartite body organization

2. Stomochord

3. Rudimentary notochord

4. Proboscis gland

Subtopic:  Phylum Hemichordata |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Consider the following features:

I. Ampulla of Lorenzini

II. Operculum or gill cover

III. Ureotelism

IV. Viviparity

V. Swim bladder

VI. Lateral line system

The features that can be attributed to cartilaginous fishes are:

1. I, III and IV only

2. II, V and VI only

3. I, II, III and IV

4. All

Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Key features that appeared for the first time in amphibians do not include:

1. Legs

2. Nutritional deficiencies

3. Lungs

4. Pulmonary veins

Subtopic:  Study of Amphibians |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Consider the following characters:

I. Wish bone furculum

II. Pneumatic bones

III. Feathers

IV. Endothermy

V. Left aortic arch

VI. Four chambered heart

Which of these are unique to birds?

1. I, II and III only

2. I, II, III and IV only

3. I, II, III, IV and V only

4. All

 

Subtopic:  Study of Aves & Mammals |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Identify the incorrectly matched pair

1.

Ornithorhynchus:

Oviparous mammal

2.

Macropus:

Marsupial mammal

3.

Balaenoptera:

Largest land mammal

4.

Pteropus:

Flying mammal

Subtopic:  Study of Aves & Mammals |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Match each item in Column I with one item in Column II and chose your answer from the codes given below:

Column I

Feature

Column II

Phylum

(a) Lateral line system

(b) Water vascular system

(c) Radula

(d) Comb plates

(e) Parapodia

(i) Ctenophora

(ii) Mollusca

(iii) Echinodermata

(iv) Osteichthyes

(v) Annelida

 

Codes

             (a)  (b)  (c)  (d)  (e) 

1.          (i)  (ii)  (iii)  (iv)  (v) 

2.          (iv)  (iii)  (ii)  (i)  (v)   

3.          (v)  (iii)  (i)  (iv)  (ii)

4.          (iii)  (ii)  (i)  (v)  (iv) 

Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Annelida | Phylum Mollusca | Phylum Echinodermata | Comparative study of Cartilagenous & Bony Fishes |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Reptiles were very successful on land while amphibians were not. What evolutionary development was primarily responsible for the success of reptiles on land?

1. Scales over skin

2. Thoracic breathing

3. Amniotic egg

4. Strong Jaws

Subtopic:  Study of Reptilia |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which of the following is not a feature of Tunicates?

1. Only the larvae have notochord

2. Presence of endostyle

3. Secretion of cellulose sac

4. Larvae are voracious eaters

Subtopic:  Phylum Chordata |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Consider the following sets of some animals. The set that consists of all animals belonging to the same phylum is:

1. Pinctada, Aplysia, Chaetopleura

2. Dentallium, Pila, Echinus

3. Asterias, Antedon, Ascidia

4. Adamsia, Gorgonia, Pleurobrachia

Subtopic:  Phylum Mollusca |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: