Easy Tutorial
For Competitive Exams

Which one of the following statements is correct?

There is no evidence of the existence of gills during embryogenesis of mammals
Stem cells are specialized cells
Ontogeny repeats phylogeny
All plant and animal cells are totipotent
Additional Questions

When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:

Answer

Select the correct statement from the following:

Answer

Jurassic period of the Mesozoic era characterized by

Answer

The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was

Answer

Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from nonliving matter

Answer

Fossils are most commonly preserved in

Answer

Homologous organs indicate the

Answer

Coacervates were experimentally produced by______.

Answer

Assertion: The earliest organisms that appeared on the earth were non-green and presumably anaerobes.

Reason: The first autotrophic organisms were the chemo-autotrophs that never released oxygen.

Answer

What is common to whale, seal and shark?

Answer
Share with Friends
Privacy Copyright Contact Us