Which of the following is not a feature of birds?

1. Forelimbs modified into wings     

2. Single occipital condyle

3. Ten pairs of cranial nerves          

4. Four chambered heart

Concept Questions :-

Study of Aves & Mammals
Please attempt this question first.

Difficulty Level:


“Amniotes” do not include:

1. Amphibians               
2. Reptiles
3. Birds                        
4. Mammals

Concept Questions :-

General Intro of Vertibrates & Agnatha
Please attempt this question first.

Difficulty Level:


Which of the following statements is not true about Nematodes?

1. They are bilaterally symmetrical, un-segmented worms
2. They are covered with a flexible, thick cuticle that is molted four times as they grow
3. They possess cilia or flagella on their reproductive cells
4. They possess a hydrostatic skeleton

Concept Questions :-

Phylum Aschelminthes
Please attempt this question first.

Difficulty Level:


Radially symmetrical animals:

1. Are all triploblastic
2. Tend to be sessile and passively floating
3. Have a definite head and a brain
4. Have an anterior and a posterior end

Concept Questions :-

Basis of Classification:I
Please attempt this question first.

Difficulty Level:


An important evolutionary transition that appeared for the first time in Echinoderms is:

1. Bilateral symmetry                    
2. Radial symmetry
3. Tube within a tube plan              
4. Endoskeleton

Concept Questions :-

Phylum Echinodermata
Please attempt this question first.

Difficulty Level:


Perhaps the biggest reason for the enormous success of Arthropods is?

1. Chitinous exoskeleton                          
2. Diverse appendages
3. Respiration by tracheoles                    
4. Internal fertilization

Concept Questions :-

Phylum Arthropoda

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Difficulty Level:


The most important reason for the fact that reptiles were the first animals to be successful on land is:

1. Internal fertilization                     
2. Skin covered with scales
3. Partially divided ventricles            
4. Presence of amnion

Concept Questions :-

Study of Reptilia

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Difficulty Level:


A sort of alternation and generation seen in Cnidarians is termed:

1. Metamorphosis              
2. Epiboly
3. Metagenesis                  
4. Anagenesis

Concept Questions :-

Phylum Coelenterata

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Difficulty Level:


Bilharzia is caused by a/an:

1. Flatworm          
2. Roundworm
3. Annelid             
4. Arthropod

Concept Questions :-

Phylum Ctenophora & Platyhelminthes

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Difficulty Level:


Which of the following is not a character of deuterostomes?

1. Radial cleavage                       
2. Schizocoelous coelom
3. Indeterminate cleavage           
4. Blastopore forms anus

Concept Questions :-

Basis of Classification:I

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Difficulty Level: