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 |
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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 |
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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 |
 67%
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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 |
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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 |
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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 |
 67%
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Identify the option where all the columns are not correctly matched:

Animal Phylum Features
1. Pleurobrachia Ctenophora Comb plates,
Only sexual reproduction
2. Loligo Mollusca Radula, Dioecious
3. Balanoglossus Hemichordata Respiration by gills,
Proboscis gland
4. Ascidia Chordata Marine, Notochord
persistent throughout life
Subtopic:  Phylum Chordata |
 70%
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Which of the following is not an Echinoderm character?

1. Exclusively marine

2. Radial symmetry in adults

3. Protostome embryonic development

4. Water vascular system

Subtopic:  Phylum Echinodermata |
 81%
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Birds are not characterized by:

1. Forelimbs modified into wings

2. Fully ossified endoskeleton

3. Skin dry without glands except for oil gland

4. Oviparous and external fertilization

Subtopic:  Study of Aves & Mammals |
 70%
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Echinoderms are not characterized by:

1. An absence of excretory system

2. Bisexual animals

3. Usually external fertilization

4. Indirect development with free swimming larva

Subtopic:  Phylum Echinodermata |
 60%
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