Home
Class 12
BIOLOGY
Assertion : Somaclonal variations may be...

Assertion : Somaclonal variations may be present in plants produce from callus.
Resons : Somaclonal variations are caused due to recombination during meiosis.

A

Both a and r are true and r is the correct explanation of a

B

Both a and r are true but r is not the correct explanation of a

C

a is true but r is false

D

a is false but r is true.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PLANT BREEDING AND DISEASE CONTROL

    DINESH PUBLICATION ENGLISH|Exercise Check your Grasp|10 Videos
  • PHYLUM - ARTHROPODA

    DINESH PUBLICATION ENGLISH|Exercise CYG|20 Videos
  • Plant Growth and Movements

    DINESH PUBLICATION ENGLISH|Exercise BRAIN TEASERS-IV|41 Videos

Similar Questions

Explore conceptually related problems

Assertion: Somaclonal variations occur in tissue culture processes Reason: Variations cannot occur in nature.

Assertion: Somaclonal variations produce slight differences in plant. Reason: They are produced while performing tissue culture.

Assertion. Somaclonal variations occur in tissue culture processes. Reason. Variations cannot occur in nature.

Assertion :- Human exploited the variations that were present naturally in the wild populations of plants & animals. Reason :- Variation is the degree by which progeny resembles from their parents.

Assertion : A single mutation may produce a new species . Reason : Mutation may cause major variation in genetic material and these are inheritable .

Assertion: Mutation breeding is a process through which one gene from a parent transfer in to another and produce recombinant similar to parent. Reason : - Somatic hybridization does not induce variation.

Assertion: Variations are important for the process of evolution. Reason: Meiosis increases the genetic variability in the population of organisms from one generation ot the next.

Assertion: Virus-free plants can be produced from virus infected plants by means of meristem tissue culture, Reason: The virus fails to grow during the growth of host tissue in the artificial medium.

State true or false : (i) Sexual reproduction is always biparental (i) Sexual reproduction or may not be present in reproduction which produces variations (iii) Most common method of reproduction in lower plants is asexual one

Assertion: If variation in resistance due to temperature is taken into consideration, then current in the circuit I and power produced across the resistance P both will decrease with time. Reason: V=IR is ohm's law.