Download App

Evolution — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution1 Mark
Question
List the two characteristics of mutation that help in explaining evolution.
✓

Answer

Mutations are:
  1. Random.
  2. Directionless.

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 "1 Marks Question" from Evolution→Evolution — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Mention the chemical change that proinsulin undergoes, to be able to act as mature insulin.
→
What is the function of Leydig cells?
→
Give the names of some invasive species in India
→
Insulin has 51 amino acids arranged in _____:
  1. Single polypeptide
  2. Two polypeptides of 21 and 30 amino acids
  3. Two polypeptides of 25 and 26 amino acids
  4. Three polypeptides having 15, 16 and 20 amino acids
→
Name the states involved in Ganga action plan.
→
Name the interaction in the following:
Wasps pollinated fig inflorescence.
→
Mention the similarity between autogamy and geitonogamy.
→
State the reasons of chromosomal disorders.
→
Write the chemical composition of biogas.
→
What represents the (a) basal part and (b) female gametophyte of the ovule?
→