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Presence of gills in the tadpole of frog indicates that

1. fishes were amphibian in the past

2. fishes evolved from frog-like ancestors

3. frogs will have gills in future

4. frogs evolved from gilled ancestors

 73%
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Which one of the following describes correctly the homologous structures?

1. Organs appearing only in embryonic stage and disappearing later in the adult

2. Organs with anatomical similarities, but performing different functions

3. Organs with anatomical dissimilarities, but performing same functions

4. Organs that have no function now, but had an important function in ancestors

 90%
From NCERT
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The early-stage human embryo distinctly possesses

1. gills                             

2. gill slits

3. external ear (pinna)       

4. eyebrows                             

 83%
From NCERT
AIIMS - 2003
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The embryological support for evolution was disproved by whose keen observations?

(1) Karl Ernst Von Baer

(2) Ernst Heckel

(3) Charles Darwin

(4) Alfred Wallace

 80%
From NCERT
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh