Identify the correct statement from the given options.

  • A
    Fitness is the end result of the ability to adapt and get selected by nature.
  • B
    All mammals,except whales and camels,have seven cervical vertebrae.
  • C
    Mutations are random and directional.
  • D
    Darwinian variations are small and directional.

Explore More

Similar Questions

Which of the following are the wrong statements?
$I.$ Organs which are different in basic structure and origin but perform similar functions are called analogous organs.
$II.$ Organs with different basic structure and origin but perform similar functions are called homologous organs.
$III.$ Homologous organs lead to convergent evolution.
$IV.$ Analogous organs lead to divergent evolution.
The correct combination is:

Mark the correct statements:
$I.$ Fitness of individuals means reproductive fitness.
$II.$ Homology in vertebrate brain indicates common ancestry.
$III.$ Theory of acquired characters was given by de Vries.
$IV.$ After industrialization,the white moth did not survive due to predators.
The correct option is:

The present concept of evolution is known as

Select the correct option for $X$ and $Y$ in the chart shown below.
[Chart Structure: Primitive Reptiles -> (Sauropsids,$X$); $X$ -> $Y$; $Y$ -> Therapsids]

Which animals have evolved from reptiles?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo