Home
Class 12
BIOLOGY
assertion (A). The earliest fossils of a...

assertion (A). The earliest fossils of amphibia are from devonian and called labyrinathodontia.
Reason ®. Dentine of earliest amphibian fossils was not of folded nauture.

A

A is true but R is false

B

Both true R correct explanation of A

C

both true but R is not correct explanation of A

D

both false.

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • AMPHIBIA-VERTEBRATES WITH DUAL LIFE

    DINESH PUBLICATION|Exercise check your grasp|10 Videos

  • ADOLESCENCE AND DRUG/ALCOHOL / TOBACCO ABUSE

    DINESH PUBLICATION|Exercise All Questions|206 Videos

  • ANATOMY OF PLANT PARTS

    DINESH PUBLICATION|Exercise BRAIN TEASERA -II|35 Videos

Similar Questions

Explore conceptually related problems

Which is the earliest fossil of prehistoric man ?

The earliest or first fossil man know present is

The earliest fossil form in the phylogeny of horse is

Assertion : The earliest fossil form in the phylogeny of horse is eohippus. Reason : Eohippus lived during the early Pliocene epoch.

Assertion (A) : The earliest organisms that appeared on the Earth were non-green and presumably anaerobis. Reason (R ) : The first autotrophic organisms were the chemoautotrophs that never released oxygen.

Asseration Amphibians have evolved from fishes Reason Archaeopteryx is a fossil linking fishes and amphibians

Assertion : Petrified fossils contain hard parts of organisms. Reason : Moulds and casts lack the remains of organisms.