Download App

Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
Mutation is:
  • A
    A change that is inherited
  • B
    A change, which affects the parents only but never inherited
  • C
    A change, which affects the offspring of F2​, generation only
  • D
    A factor responsible for plant growth
✓

Answer

  1. A change that is inherited

Explanation:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations are inherited and affects all generations. It is not responsible for plant growth.

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 [1M]" from Principles of Inheritance and Variation→Principles of Inheritance and Variation — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

_______ is used as a vector for cloning into higher organisms.
→
Choose the mis -matched option.
→
Microsporogenesis is a synonym for
→
If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
→
Which one of the following can be explained on the basis of Mendel's Law of Dominance?

$A$. Out of one pair of factors one is dominant and the other is recessive.

$B$. Alleles do not show any expression and both the characters appear as such in $F_2$ generation.

$C$. Factors occur in pairs in normal diploid plants.

$D$. The discrete unit controlling a particular character is called factor.

$E$. The expression of only one of the parental characters is found in a monohybrid cross.

Choose the correct answer from the options given below:

→
Antigens are present :
→
Theory of inheritance of acquired characters was given by:
→
Antiparallel strands of a $DNA$ molecule means that
→
Which is the correct sequence in the food chain in a grassland
→
Which one of the following is a free-living obligate anaerobic bacterium?
→