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NEET BIOLOGYAnimal KingdomEasy

Question

Metagenesis refers to?

A

The presence of different morphic forms

B

Alternation of generation between asexual and sexual phases of an organism

C

Occurrence of a drastic change in the form during post-embryonic development

D

Presence of a segmented body and parthenogenic mode of reproduction

Step-by-Step Solution

metagenesis is defined as the alternation of generation between asexual and sexual phases of an organism . This phenomenon is a characteristic feature of certain cnidarians (Coelenterates), such as Obelia, where the polyp form produces medusae asexually, and the medusae subsequently produce polyps through sexual reproduction . This specific definition has been tested in previous medical entrance examinations, such as the RE-AIPMT 2015 .

Exam Context & Concepts Covered

This question aligns with the NEET BIOLOGY syllabus, specifically targeting concepts from Animal Kingdom. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

BIOLOGYAnimal Kingdommetagenesisrefers

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Match the following Mitochondrial Respiratory Complexes (List-I) with their components/names (List-II): List-I (a) Complex I (b) Complex II (c) Complex III (d) Complex IV List-II (i) Cytochrome c oxidase (ii) NADH dehydrogenase (iii) Succinate dehydrogenase (iv) Cytochrome bc1 complex

A.ii iii iv i
B.i iv iii ii
C.ii iii i iv
D.iv i iii ii
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A.iii iv ii i
B.iv i ii iii
C.iv iii i ii
D.iii iv i ii
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A.(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
B.(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
C.(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
D.(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
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Which one of the following organisms bears hollow and pneumatic long bones?

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D.Hemidactylus
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A.Eptatretus
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C.Neomyxine
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The unique mammalian characteristics are:

A.pinna, monocondylic skull and mammary glands
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A.(IV) (II) (I) (III)
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C.(III) (II) (I) (IV)
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A.A-II, B-I, C-IV, D-III
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