Which class of animals has 5-6 pairs of gill holes on their head ?

Which class of animals has 5-6 pairs of gill holes on their head ?
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1 Answer

Answer :

Answer : Chondrichthis class animals have 5-6 pairs of gill holes on their heads.
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pharyngeal gill slits in embryonic stage is a a) Anatomical evidence b) morphological evidence c) Embryological evidence d) fossil evidence

Description : pharyngeal gill slits in embryonic stage is a a) Anatomical evidence b) morphological evidence c) Embryological evidence d) fossil evidence

Last Answer : c) Embryological evidence

Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes(A) (B) (C) (D) (a) (ii) (iii) (iv) (i) (b) (iii) (iv) (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Description : Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes ... (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Last Answer : (a) (ii) (iii) (iv) (i)

What class of animals are snakes ?

Description : What class of animals are snakes ?

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In which episode the body wall of the creature has numerous holes ?

Description : In which episode the body wall of the creature has numerous holes ?

Last Answer : There are numerous holes in the body wall of the animal in the circumference phase.

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Description : Sharks and dogfishes differ from skates and rays because (a) gill slits are ventrally placed (b) head and trunk are widened considerably (c) distinct demarcation between body and tail (d) their pectoral fins distinctly marked off from cylindrical bodies

Last Answer : (d) their pectoral fins distinctly marked off from cylindrical bodies

Sharks and dogfishes differ from skates and rays because (a) gill slits are ventrally placed (b) head and trunk are widened considerably (c) distinct demarcation between body and tail (d) their pectoral fins distinctly marked off from cylindrical bodies.

Description : Sharks and dogfishes differ from skates and rays because (a) gill slits are ventrally placed (b) head and trunk are widened considerably (c) distinct demarcation between body and tail (d) their pectoral fins distinctly marked off from cylindrical bodies.

Last Answer : (d) their pectoral fins distinctly marked off from cylindrical bodies.

In which episode do animals breathe through their lungs ?

Description : In which episode do animals breathe through their lungs ?

Last Answer : Answer : Animals in the Malaska period breathe through the lungs.

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Description : Liver worms are animals of which episode ?

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How many episodes have all unicellular animals been divided into ?

Description : How many episodes have all unicellular animals been divided into ?

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Description : Which Arthropoda Animals ?

Last Answer : Crabs are arthropods.

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Last Answer : Answer : Free-range marine animals move with the help of nalipads.

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Last Answer : Answer : The cilantro can be seen in the lower obelia.

In which episode all the animals are marine ?

Description : In which episode all the animals are marine ?

Last Answer : All the animals in the Echinodermata episode are marine.

Which part of the animal kingdom has the highest number of animals ?

Description : Which part of the animal kingdom has the highest number of animals ?

Last Answer : The number of animals in the arthropods is the highest in the animal kingdom.

Which animal's body is divided into five equal parts ?

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Last Answer : The body of a starfish is divided into five equal parts.

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In which episode the animals are known as sponges ?

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Description : In which episode do animals live in the intestines and blood of animals as endogenous ?

Last Answer : Answer : Animals of the Nematoda period live in the intestines and blood of animals as endogenous.

Which animal's body is flattened ?

Description : Which animal's body is flattened ?

Last Answer : The body of the tapeworm is flat.

In which episode the animals are bisexual and parasitic ?

Description : In which episode the animals are bisexual and parasitic ?

Last Answer : Answer : Platyhelminthis animals are bisexual and parasitic.

Which animal's body is made up of two embryonic cell layers ?

Description : Which animal's body is made up of two embryonic cell layers ?

Last Answer : Answer : The body of a hydra is made up of two embryonic cell layers.

None Animals Baby Of birth With With To die Goes ?

Last Answer : this Of the animal Name - Spider.

World Most Toxic Of animals Name What ?

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Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above

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The class of chondrichthis belongs to which subdivision ?

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Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.

Description : Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.

Last Answer : Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their ... . D. If both Assertion & Reason are false.