Consider the following characters:

I. Air bladder

II. Operculum

III. Viviparity

The characters present in bony fishes include:

1. I, II and III

2. I and III only

3. I and II only

4. II and III only

Subtopic:  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:


Homeothermy is exhibited by:

1. All amniotes

2. Birds and Mammals

3. All deuterostomes

4. Reptiles and Mammals

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:


Consider the following characteristics of Porifers:

1. Collared cells called as choanocytes

2. Canal system with pores (ostia) in body wall

3. Mineral spicules

4. High cellular mobility and totipotency

Which of these can be regarded as synapomorphies of Porifera?

Subtopic:  Phylum Porifera |
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NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Identify the incorrect statement:

1. Medusa of Scyphozoans are called as jelly fishes.

2. Ctenophores are the largest animals that move with the help of cilia.

3. Flat worms that have a digestive cavity, have an incomplete gut.

4. Nematodes are covered with thick cuticle that does not moult.

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

Difficulty Level:


Match Nematode with their common names and choose answer from codes given below:

 

Nematode

 

Common names

I.

Ancylostoma duodenale

1.

Pin worm

II.

Enterobius vermicularis

2.

Filaria worm

III.  

Trichuris trichiura

3.

Loa loa

IV.

Dracunculus medinensis    

4.

Whip worm

V.

Onchocerca volvulus

5.   

Hook worm

VI.

Wuchereria bancrofti

6.

Guinea worm

Codes:

 

I.

II.

III.

IV.

V.

VI.

1.   

5       

1      

4      

6      

3      

2

2.

5

4

3

6

1

2

3.

5

3

4

1

6

2

4.

5

6

4

3

1

2

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

Difficulty Level:


What is the most important reason for the immense success of arthropods?

1. Chitinous exoskeleton

2. Uricotelic nature

3. Compound eye

4. Multipurpose appendages

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

Difficulty Level:


What is not true for a generalized mollusc?

1. Body segmented into head, visceral mass and foot.

2. A rasping tongue like organ – radula present.

3. Mantle cavity with gills

4. Excretory structures – nephridia

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:


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: