Download App

STD 12 - 6. evolution — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 6. evolution1 Mark
MCQ
Variations caused by mutation, as proposed by Hugo de Vries, are
  • A
    random and directional
  • ✓
    random and directionless
  • C
    small and directional
  • D
    small and directionless
✓

Answer

Correct option: B.
random and directionless
b

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 12 - 6. evolution→STD 12 - 6. evolution — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following is commonly used as a vector for introducing a $DNA$ fragment in human lymphocytes?
→
Which one of the following is the correct statement regarding the particular psychotropic drug specified?
→
Community is

$I.$ Group of independent, interacting populations of same species

$II.$ Group of independent and interacting populations of same species in specific area

$III.$ Group of independent interacting populations of different species in a specific area

$IV.$ Group of independent and interacting populations of different species in different area

Select the correct option

→
At which stage, ova stop forming in women:
→
The difference between $Spermiogenesis$ and $Spermiation$ is
→
‘Pathogens' are
→
Endemism refers to:
→
In Mendel's experiment the ratio 3 : 1 is known as .................. ratio.
→
What is the generic name of Indian peacock?
→
In $F_{2}$ generation of a Mendelian dihybrid cross $(TTRR × ttrr)$
→