I am a crocodile. I have 4 chambered heart. Which phylum do I belong to?
A) Mammal
B) Pisces
C) Amphibia
D) Reptelia
1 Answers
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Why was phylum Elemichordata earlier considered as a sub phylum of Chordata?
1. Hemiehordata was earlier considered as sub phylum of Chordata because the buccal diverticulum was considered a notochord. It is now placed as a separate phylum under Non-Chordata. 2. It possesses certain...
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a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb
Correct Answer - a. 2,1 b. Mesodermal,Pericardium c. 3,Tricuspid d. Thicker. e. 72, Pacemaker f. 30% g. Joint diastole h. P i. Coronary j. Decrease, Cardiac output
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What is the shape of the heart that you found through the activity with the help of specimen of goat’s heart ?
(B) Pear fruit
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Coral reefs belong to this Phylum A) Porifera B) Monera
C) Coelenterata
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Mucus glands in the skin and three chambered heart are seen in A) Aves
Correct option is D) Amphibia
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I am an oyster. I produce pears. Which phylum do I belong to ?
Correct option is C) Mollusca
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Specific excretory organs are absent in unicellular organisms belong to the phylum:
(C) Protozoa
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Excretory structures appeared for the first time in flatworms belong to the phylum:
(D) Platyhelminthes
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Why is the mammalian heart known as a myogenic heart?
The mammalian cardiac muscles are modified and are capable of generating an impulse on their own. Hence, the mammalian heart known as a myogenic heart.
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Crocodile and penguin are similar to whale and Dogfish in which one of the following features
Correct Answer - D The characteristic feature of amnionta is development of amnion and other foetal membreanes during development. Amnion and other foetal membranes are developed in reptiles, birds and mammals
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