Physiological Evidence

Q.

Presence of gills in tadpole of frog indicates that:

1. Frogs were amphibious in the past

2. Frogs evolved from frog-like ancestors

3. Frogs will have gills in future

4. Frogs evolved from gilled ancestors

Q. Presence of gills in the tadpole of frog indicates that :

1. Fishes evolved from frog like ancestors
2. Frogs will have gills in future
3. Frogs evolved from gilled ancestors
4. Fishes were amphibious in the past.

Q. Bacteria can evolve to exhibit resistance to an antibiotic.

1. False
2. True

Q. Blood transfusion among which of the following organisms serves as physiological evidence of evolution?

1. Only i)
2. Both i) and ii)
3. Only iii)
4. None of the above