Statement (S): Arthropoda are most successful of all the known animal groupsReason (R): Arthropoda exhibit the greatest adaptive radiation and have adapted to diverse habitats

1.  Both S and R are true and R explains S

2.  Both S and R are true but R cannot explains S

3.  Only S is correct but R is wrong

4.  Both S and R are wrong

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4
Correct Answer :

Both S and R are true and R explains S


Explanation :
No Explanation available for this question

Statement (S): Super position images are formed in the nocturnal insects.Reason (R): The retinulae lie immediately below the vitrellae and crystalline come, these are surrounded by retinal sheath which absorb the light rays, hence, super position images are formed in nocturnal insects.The correct answer is

1.  Both S and R are true and R explains S

2.  Both S and R are true but R cannot explains S

3.  Only S is correct but R is wrong

4.  Both S and R are wrong

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4
Correct Answer :

Only S is correct but R is wrong


Explanation :
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The larval stage of a harmful insect causing a cavity like pathological condition in human subcutaneous tissue is

1.  Naiad

2.  Nymph

3.  Maggot

4.  Wriggler

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4
Correct Answer :

Maggot


Explanation :
No Explanation available for this question

The average trophic efficiency of transfer of energy from one trophic level to the higher trophic level is called

1.  Assimilation efficiency

2.  Exploitation efficiency

3.  Lindeman's trophic efficiency rule

4.  Gross primary production

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4
Correct Answer :

Lindeman's trophic efficiency rule


Explanation :
No Explanation available for this question

From the following fish identify the one which a aglomerular kidney

1.  Sphyrna

2.  Tilapia

3.  Cirrhinus

4.  Exocoetus

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4
Correct Answer :

Exocoetus


Explanation :
No Explanation available for this question

Wild life conservation aims at(a) Maintaining the ecological process(b) To enrich the wildlife diversity with exotic species(c) Preventing migration of spices (d) Maintaining the diversity of lifeThe correct statements are

1.  (a), (b)

2.  (b), (c)

3.  (c), (d)

4.  (a), (d)

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4
Correct Answer :

(a), (d)


Explanation :
No Explanation available for this question

In mammals the secondary plate is formed by the union of

1.  Premaxilla, pterygoid and squamosal bones

2.  Maxilla, quadrate and palatine bones

3.  Premaxilla, Maxilla and palatine bones

4.  Premaxilla, quadrate and squamosal bones

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4
Correct Answer :

Premaxilla, Maxilla and palatine bones


Explanation :
No Explanation available for this question

Which of the following are the true to the prototheriansA. Pectoral girdic is associated with 'T' shaped interclaviclesB. Mammary glands are modified as sebaceous glandsC. Pelvic girdle possesses cpipublic bonesD. Vertebrae are with epiphysesThe correct statements are

1.  A and C

2.  A and B

3.  C and D

4.  B and C

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4
Correct Answer :

A and C


Explanation :
No Explanation available for this question

Study the following table Subclass Skutl Example A.Anapsida Anapsid Hatteria B.Ichthyopterigia Synapsid Pelycosaurus C.Synaptosauria Euryapsid Plesiosaurus D.Lepidosauria Diapsid Cotylosauria Which one of the above is correct combination

1.  A

2.  B

3.  C

4.  D

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4
Correct Answer :

C


Explanation :
No Explanation available for this question

Study the following features of a fishA. It is a crossopterygian fishB. It is found in the river chalumnacC. It does not exhibit aestivationD. It is an urecotelic animalWhich of the above are true to "Neoceratodus"

1.  A and B

2.  B and D

3.  A and C

4.  A and D

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4
Correct Answer :

A and C


Explanation :
No Explanation available for this question
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