AARPAN INSTITUTE
BHANDARA
Test / Exam Name: Heredity Standard: 10th Subjec
Student Name: Section: Roll No
Questions: 2
Instructions
1. ATTEMPT ALL THE QUESTION
SECTION A. MULTIPLE CHOICE QUESTION
Q1.In the following questions, a statement of Assertion is given by the correspond
statement of Reason. Of the statements, mark the correct answer as:
1. If both Assertion and Reason are true and Reason is the correct explanatio
Assertion.
2. If both Assertion and Reason are true, but Reason is not the correct
explanation of Assertion.
3. If Assertion is true, but Reason is false.
4. If Assertion is false, but Reason is true.
5. If both Assertion and Reason are false.
Assertion: The ratio of plants when Mendel took pea plants with two contrast
characters was 9 : 3 : 3 : 1.
Reason: The ratio of plants when Mendel took pea plants with one contrasting
character was 1 : 1.
Q2.In the following questions, a statement of Assertion is given by the correspond
statement of Reason. Of the statements, mark the correct answer as:
1. If both Assertion and Reason are true and Reason is the correct explanatio
Assertion.
2. If both Assertion and Reason are true, but Reason is not the correct
explanation of Assertion.
3. If Assertion is true, but Reason is false.
4. If Assertion is false, but Reason is true.
5. If both Assertion and Reason are false.
Assertion: Speciation is the development of one or more species from an exis
species.
Reason: Classification is the arrangement of boat organisms into a series of gr
based on physiological, biochemical or other relationships.
Q3.For two statements are given- one labelled Assertion (A) and the other labelled
Reason (R). Select the correct answer to these questions from the codes (a), (b
and (d) as given below:
1. Both A and R are true and R is correct explanation of the assertion.
, Q5.For two statements are given- one labelled Assertion (A) and the other labelled
Reason (R). Select the correct answer to these questions from the codes (a), (b
and (d) as given below:
1. Both A and R are true and R is correct explanation of the assertion.
2. Both A and R are true but R is not the correct explanation of the assertion.
3. A is true but R is false.
4. A is false but R is true.
Assertion: Selfing of a plant for several generations helps plant breeders to ob
pure breeding varieties.
Reason: Pure breeding plants are heterozygous for many traits.
Q6.Select the group which shares the maximum number of common characters:
1. Two individuals of a species.
2. Two species of a genus.
3. Two genera of a family.
4. Two genera of two families.
Q7.Which statement is true for a dominant allele?
1. It cannot undergo mutation.
2. It gives a greater chance of survival than a recessive allele.
3. It gives the same phenotype in heterozygotes and homozygotes.
4. It is only responsible for male characteristics.
Q8.A recessive homozygote is crossed with a heterozygote of the same gene. Wha
will be the phenotype of the F1 -generation?
1. All dominant.
2. 75% dominant, 25% recessive.
3. 50% dominant, 50% recessive.
4. 25% dominant, 50% heterozygous, 25% recessive.
Q9.Select the incorrect statement from the following:
1. Frequency of certain genes in a population changes over several generatio
resulting in evolution.
2. Reduction in the weight of an organism due to starvation is genetically
controlled.
3. Low weight parents can have heavy weight progeny.
4. Traits which are not inherited over generations do not cause evolution.
Q10.New species may be formed if:
1. DNA undergoes significant changes in germ cells.
2. chromosome number changes in the gamete.
3. there is no change in the genetic material.
4. mating does not take place.
1. (i) and (ii)
2. (i) and (iii)
3. (ii), (iii) and (iv)
4. (i), (ii) and (iii)
SECTION B. VERY SHORT QUESTION
BHANDARA
Test / Exam Name: Heredity Standard: 10th Subjec
Student Name: Section: Roll No
Questions: 2
Instructions
1. ATTEMPT ALL THE QUESTION
SECTION A. MULTIPLE CHOICE QUESTION
Q1.In the following questions, a statement of Assertion is given by the correspond
statement of Reason. Of the statements, mark the correct answer as:
1. If both Assertion and Reason are true and Reason is the correct explanatio
Assertion.
2. If both Assertion and Reason are true, but Reason is not the correct
explanation of Assertion.
3. If Assertion is true, but Reason is false.
4. If Assertion is false, but Reason is true.
5. If both Assertion and Reason are false.
Assertion: The ratio of plants when Mendel took pea plants with two contrast
characters was 9 : 3 : 3 : 1.
Reason: The ratio of plants when Mendel took pea plants with one contrasting
character was 1 : 1.
Q2.In the following questions, a statement of Assertion is given by the correspond
statement of Reason. Of the statements, mark the correct answer as:
1. If both Assertion and Reason are true and Reason is the correct explanatio
Assertion.
2. If both Assertion and Reason are true, but Reason is not the correct
explanation of Assertion.
3. If Assertion is true, but Reason is false.
4. If Assertion is false, but Reason is true.
5. If both Assertion and Reason are false.
Assertion: Speciation is the development of one or more species from an exis
species.
Reason: Classification is the arrangement of boat organisms into a series of gr
based on physiological, biochemical or other relationships.
Q3.For two statements are given- one labelled Assertion (A) and the other labelled
Reason (R). Select the correct answer to these questions from the codes (a), (b
and (d) as given below:
1. Both A and R are true and R is correct explanation of the assertion.
, Q5.For two statements are given- one labelled Assertion (A) and the other labelled
Reason (R). Select the correct answer to these questions from the codes (a), (b
and (d) as given below:
1. Both A and R are true and R is correct explanation of the assertion.
2. Both A and R are true but R is not the correct explanation of the assertion.
3. A is true but R is false.
4. A is false but R is true.
Assertion: Selfing of a plant for several generations helps plant breeders to ob
pure breeding varieties.
Reason: Pure breeding plants are heterozygous for many traits.
Q6.Select the group which shares the maximum number of common characters:
1. Two individuals of a species.
2. Two species of a genus.
3. Two genera of a family.
4. Two genera of two families.
Q7.Which statement is true for a dominant allele?
1. It cannot undergo mutation.
2. It gives a greater chance of survival than a recessive allele.
3. It gives the same phenotype in heterozygotes and homozygotes.
4. It is only responsible for male characteristics.
Q8.A recessive homozygote is crossed with a heterozygote of the same gene. Wha
will be the phenotype of the F1 -generation?
1. All dominant.
2. 75% dominant, 25% recessive.
3. 50% dominant, 50% recessive.
4. 25% dominant, 50% heterozygous, 25% recessive.
Q9.Select the incorrect statement from the following:
1. Frequency of certain genes in a population changes over several generatio
resulting in evolution.
2. Reduction in the weight of an organism due to starvation is genetically
controlled.
3. Low weight parents can have heavy weight progeny.
4. Traits which are not inherited over generations do not cause evolution.
Q10.New species may be formed if:
1. DNA undergoes significant changes in germ cells.
2. chromosome number changes in the gamete.
3. there is no change in the genetic material.
4. mating does not take place.
1. (i) and (ii)
2. (i) and (iii)
3. (ii), (iii) and (iv)
4. (i), (ii) and (iii)
SECTION B. VERY SHORT QUESTION
