Q 1 :    

Assertion: The genetic complement of an organism is called genotype.
Reason: Genotype is the type of hereditary properties of an organism.

  • Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

     

  • Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

     

  • Assertion is true but Reason is false.

     

  • Assertion is false but Reason is true.

     

(1)

Genotype of the organism includes all dominant and recessive characters. Thus, both assertion and reason are correct and reason is the correct explanation of the assertion.

 



Q 2 :    

Assertion: Variations are seen in offspring produced by asexual reproduction.
Reason: DNA molecule generated by replication is not exactly identical to original DNA.

  • Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

     

  • Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

     

  • Assertion is true but Reason is false.

     

  • Assertion is false but Reason is true.

     

(4)

Variations are not seen in the offspring produced by the asexual reproduction since only a single parent is involved the variations are not there and thus assertion is false but reason is true.



Q 3 :    

Assertion: Dominant allele is an allele whose phenotype expresses even in the presence of another allele of that gene.
Reason: It is represented by capital letter, e.g., T.

  • Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

     

  • Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

     

  • Assertion is true but Reason is false.

     

  • Assertion is false but Reason is true.

     

(2)

Dominant allele is an allele whose phenotype will be expressed even in the presence of another allele of that gene. It is represented by a capital Letter, e.g., T. Both assertion and reason are correct but reason is not the correct explanation of assertion.

 



Q 4 :    

Assertion: Mendel was successful in his hybridization experiments.
Reason: Garden pea proved as an ideal experimental material.

  • Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

     

  • Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

     

  • Assertion is true but Reason is false.

     

  • Assertion is false but Reason is true.

     

(1)

The pea plant which Mendel chose for conducting experiments, is most ideal for controlled breeding, since it can easily be subjected to cross pollination. He identified very clear contrasting characters in the pea plants. Thus, both assertion and reason are correct and reason is the correct explanation of the assertion.

 



Q 5 :    

Assertion: Mendel self-crossed F yellow with round seeds to obtain F generation.
Reason: F progeny of a yellow with round seeds and a green with wrinkled seeds are all green and wrinkled seeds.

  • Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

     

  • Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
     

  • Assertion is true but Reason is false

     

  • Assertion is false but Reason is true.

     

(3)

Mendel took two contradicting traits together for crossing i.e. colour and shape of seeds. He chose a round yellow seed and a wrinkled green seed and crossed them. He obtained only round yellow seeds in the F generation. Then, F progeny was self-pollinated, which gave four different combinations of seeds i.e. round-yellow, wrinkled-yellow, round-green and wrinkled-green seeds in the F generation. So, assertion is true but reason is false.

 



Q 6 :    

Assertion: Mendel selected the pea plant for his experiments.
Reason: Pea plant is cross-pollinating and has unisexual flowers.

  • Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

     

  • Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

     

  • Assertion is true but Reason is false.

     

  • Assertion is false but Reason is true.

     

(3)

The flowers of pea plant are bisexual and they are self-pollinating, and thus, self and cross-pollination can easily be performed. They have a shorter life span and are the plants that are easier to maintain. Thus, Mendel chose the pea plant. Thus, assertion is true but reason is false.

 



Q 7 :    

Assertion: The sex of the children will be determined by chromosome received from the father.
Reason: A human male has one-X and one Y-chromosome.

  • Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

     

  • Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

     

  • Assertion is true but Reason is false.

     

  • Assertion is false but Reason is true.

     

(1)

If a child inherits X-chromosome from the father it will be a girl and one who inherits a Y-chromosome will be a boy. Thus, both assertion and reason are correct and reason is the correct explanation of assertion.