Biology DPP by Ambika Ma’am DPP
Prinicple of Inheritance and Variations
1. Mendel conducted hybridisation experiments on 8. Experiments of Mendel had a ______ sampling size.
Garden Pea for ______. (A) Medium (B) Large
(A) Four years (B) Five years (C) Small (D) None of the above
(C) Six years (D) Seven years 9. What is the degree by which progeny differ from their
2. Mendel proposed the law of inheritance in... parents?
(A) Plants (B) Animal (A) Mutation (B) Inheritance
(C) Algae (D) all (C) Variation (D) Mendelism
3. Selection of Pisum sativum for hybridization 10. Which of the following trait of pea plant was not
experiments, because of - studied by Mendel in his experiment.
(A) Presence of 7 characters and short life span. (A) Flower position
(B) Presence of contrasting characters and short life (B) Seed colour
span. (C) Pod length
(C) Presence of long-life span and fertile hybrid. (D) Seed shape
(D) Presence of many observable hybrids and easily 11. Which statements are correct about re-discovery of
availability of plant. Mendel’s work -
4. Among the given traits of Pisum sativum which one is (1) Mendel died in 1884 and his work is re-
discovered in 1900.
recessive trait -
(2) Scientists found that Mendel’s work was also
(A) Violet flower colour applicable to animals.
(B) Inflated pod shape (3) Scientists were Hugo de-Vries, Carl Correns and
(C) Green colour of pod Erich von Tschermak for the rediscovery of
(D) Wrinkled shape of seed Mendel’s work.
5. Mendel has worked on Pisum sativum for 7 years by (4) Mendel’s paper was published in ‘Flora’ in 1901
taking - by Hugo de-Vries.
(A) Statement 1 and 3 are correct.
(A) 7 Pairs of contrasting traits.
(B) Statement 2 and 4 are correct.
(B) 14 true breeding pea plant varieties. (C) Statement 3 and 4 are correct.
(C) Location of traits on chromosome number 1, 4, 5 (D) Statement 1, 2, 3 & 4 are correct.
& 7 of Pisum sativum plant. 12. What is the process by which characters are passed
(D) All are correct on from parent to progeny?
6. Which of the given genotype represent homozygous (A) Inheritance (B) Variation
condition? (C) Mendelism (D) Mutation
13. Sahiwal cows are developed from wild cows due to-
(A) Tt (B) Rr
(A) Heredity
(C) tt (D) Yy (B) Artificial selection
7. First time mathematical and statistical analysis used in (C) domestication
biology by... (D) Both (B) and (C) are correct
(A) Mendel 14. A true breeding line is one that -
(B) Morgan (A) Have under gone continuous self pollination.
(B) Shows the stable trait inheritance.
(C) Hudo de-vries
(C) Shows expression for several generations.
(D) Bateson (D) All of these
1
, 15. Select the incorrect statement from the following 22. Law of purity of gamete was explained by Mendel and
(A) Inheritance is the process by which the proved with the help of....
characters are passed from parent to the (A) monohybrid cross
progeny (B) dihybrid cross
(B) Inheritance is the basis of heredity. (C) test cross
(C) Variation is the degree by which the progeny (D) out cross
differs from their parents. 23. The leaf colour of certain plants is controlled by one
(D) Sahiwal breed of buffaloes in Punjab are gene. For that gene, the allele G = orange and g =
produced through artificial selection and green. You have a plant with orange leaves, but do
domestication from wilds cows. not know whether that plant’s genotypes is GG or
16. The main reason for success of Mendel was- Gg. If you cross your unknown plant with one of the
(A) Study of all the characters at the same time. plants whose genotype is listed below, you will be
(B) Study of one or two characters at one time. able to determine you unknown’s genotype. With
(C) Study of all the plants at the same time. which plant would you cross it?
(D) Counting of plants. (A) GG (B) gg
17. Which of the following statement is incorrect (C) Gg (D) Either of parents
regarding the experimental model Pisum sativum in 24. How many different types of gametes can be formed
Mendel's experiment? by F1 progeny, resulting from the following cross
(A) It produces bisexual flowers. AABBCC × aabbccc
(B) It may undergo cross pollination naturally. (A) 3 (B) 8
(C) Its flowers have vexillary aestivation. (C) 27 (D) 64
(D) It is an annual plant. 25. An individual with genotype SsTtUu will produce
18. Which is correct about mendelian characters? ______ gametes.
(A) Tall plants are dominant over dwarf plants. (A) 4 types
(B) Green pods are recessive over yellow pods. (B) All same
(C) Constricted pods are dominant over inflated. (C) 8 different types
(D) All of these (D) 4 of one type and rest of one type
19. Mendel found that the reciprocal cross yield identical 26. A tobacco plant heterozygous for albinism (a
result, he concluded that - recessive character) is self-pollinated and 1200 seeds
(A) There is an independent assortment of traits. are subsequently germinated. How many seeding
(B) The sex plays an important role in deciding the would have the parental genotype?
dominance of a trait. (A) 1250 (B) 600
(C) There is no dominance of any trait. (C) 300 (D) 2250
(D) The sex has no influence on the dominance of 27. In rabbits, the gene for grey fur (G) is dominant over
the traits. that for black fur (g). In a litter, if 50% rabbits are
20. Mendel did not propose the theory of - grey, then the possible parental cross combination is
(A) Dominance (B) Incomplete dominance (A) GG × Gg (B) GG × GG
(C) Segregation (D) Independent assortment (C) gg × gg (D) Gg × gg
21. A pea plant parent having violet coloured flowers with 28. A cell is heterozygous at four gene loci. How many
unknown genotype was crossed with a plant having different type of gametes can it form?
white coloured flowers, in the progeny 50% of the (A) 2 (B) 3
flowers were violet and 50% were white. The (C) 6 (D) 16
genotypic constitution of the parent having violet 29. The genotype of a plant showing the dominant
coloured flowers was phenotype can be evaluated by -
(A) homozygous (B) merozygous (A) Dihybrid cross (B) Pedigree analysis
(C) heterozygous (D) hemizygous (C) Test cross (D) Back cross
2
Prinicple of Inheritance and Variations
1. Mendel conducted hybridisation experiments on 8. Experiments of Mendel had a ______ sampling size.
Garden Pea for ______. (A) Medium (B) Large
(A) Four years (B) Five years (C) Small (D) None of the above
(C) Six years (D) Seven years 9. What is the degree by which progeny differ from their
2. Mendel proposed the law of inheritance in... parents?
(A) Plants (B) Animal (A) Mutation (B) Inheritance
(C) Algae (D) all (C) Variation (D) Mendelism
3. Selection of Pisum sativum for hybridization 10. Which of the following trait of pea plant was not
experiments, because of - studied by Mendel in his experiment.
(A) Presence of 7 characters and short life span. (A) Flower position
(B) Presence of contrasting characters and short life (B) Seed colour
span. (C) Pod length
(C) Presence of long-life span and fertile hybrid. (D) Seed shape
(D) Presence of many observable hybrids and easily 11. Which statements are correct about re-discovery of
availability of plant. Mendel’s work -
4. Among the given traits of Pisum sativum which one is (1) Mendel died in 1884 and his work is re-
discovered in 1900.
recessive trait -
(2) Scientists found that Mendel’s work was also
(A) Violet flower colour applicable to animals.
(B) Inflated pod shape (3) Scientists were Hugo de-Vries, Carl Correns and
(C) Green colour of pod Erich von Tschermak for the rediscovery of
(D) Wrinkled shape of seed Mendel’s work.
5. Mendel has worked on Pisum sativum for 7 years by (4) Mendel’s paper was published in ‘Flora’ in 1901
taking - by Hugo de-Vries.
(A) Statement 1 and 3 are correct.
(A) 7 Pairs of contrasting traits.
(B) Statement 2 and 4 are correct.
(B) 14 true breeding pea plant varieties. (C) Statement 3 and 4 are correct.
(C) Location of traits on chromosome number 1, 4, 5 (D) Statement 1, 2, 3 & 4 are correct.
& 7 of Pisum sativum plant. 12. What is the process by which characters are passed
(D) All are correct on from parent to progeny?
6. Which of the given genotype represent homozygous (A) Inheritance (B) Variation
condition? (C) Mendelism (D) Mutation
13. Sahiwal cows are developed from wild cows due to-
(A) Tt (B) Rr
(A) Heredity
(C) tt (D) Yy (B) Artificial selection
7. First time mathematical and statistical analysis used in (C) domestication
biology by... (D) Both (B) and (C) are correct
(A) Mendel 14. A true breeding line is one that -
(B) Morgan (A) Have under gone continuous self pollination.
(B) Shows the stable trait inheritance.
(C) Hudo de-vries
(C) Shows expression for several generations.
(D) Bateson (D) All of these
1
, 15. Select the incorrect statement from the following 22. Law of purity of gamete was explained by Mendel and
(A) Inheritance is the process by which the proved with the help of....
characters are passed from parent to the (A) monohybrid cross
progeny (B) dihybrid cross
(B) Inheritance is the basis of heredity. (C) test cross
(C) Variation is the degree by which the progeny (D) out cross
differs from their parents. 23. The leaf colour of certain plants is controlled by one
(D) Sahiwal breed of buffaloes in Punjab are gene. For that gene, the allele G = orange and g =
produced through artificial selection and green. You have a plant with orange leaves, but do
domestication from wilds cows. not know whether that plant’s genotypes is GG or
16. The main reason for success of Mendel was- Gg. If you cross your unknown plant with one of the
(A) Study of all the characters at the same time. plants whose genotype is listed below, you will be
(B) Study of one or two characters at one time. able to determine you unknown’s genotype. With
(C) Study of all the plants at the same time. which plant would you cross it?
(D) Counting of plants. (A) GG (B) gg
17. Which of the following statement is incorrect (C) Gg (D) Either of parents
regarding the experimental model Pisum sativum in 24. How many different types of gametes can be formed
Mendel's experiment? by F1 progeny, resulting from the following cross
(A) It produces bisexual flowers. AABBCC × aabbccc
(B) It may undergo cross pollination naturally. (A) 3 (B) 8
(C) Its flowers have vexillary aestivation. (C) 27 (D) 64
(D) It is an annual plant. 25. An individual with genotype SsTtUu will produce
18. Which is correct about mendelian characters? ______ gametes.
(A) Tall plants are dominant over dwarf plants. (A) 4 types
(B) Green pods are recessive over yellow pods. (B) All same
(C) Constricted pods are dominant over inflated. (C) 8 different types
(D) All of these (D) 4 of one type and rest of one type
19. Mendel found that the reciprocal cross yield identical 26. A tobacco plant heterozygous for albinism (a
result, he concluded that - recessive character) is self-pollinated and 1200 seeds
(A) There is an independent assortment of traits. are subsequently germinated. How many seeding
(B) The sex plays an important role in deciding the would have the parental genotype?
dominance of a trait. (A) 1250 (B) 600
(C) There is no dominance of any trait. (C) 300 (D) 2250
(D) The sex has no influence on the dominance of 27. In rabbits, the gene for grey fur (G) is dominant over
the traits. that for black fur (g). In a litter, if 50% rabbits are
20. Mendel did not propose the theory of - grey, then the possible parental cross combination is
(A) Dominance (B) Incomplete dominance (A) GG × Gg (B) GG × GG
(C) Segregation (D) Independent assortment (C) gg × gg (D) Gg × gg
21. A pea plant parent having violet coloured flowers with 28. A cell is heterozygous at four gene loci. How many
unknown genotype was crossed with a plant having different type of gametes can it form?
white coloured flowers, in the progeny 50% of the (A) 2 (B) 3
flowers were violet and 50% were white. The (C) 6 (D) 16
genotypic constitution of the parent having violet 29. The genotype of a plant showing the dominant
coloured flowers was phenotype can be evaluated by -
(A) homozygous (B) merozygous (A) Dihybrid cross (B) Pedigree analysis
(C) heterozygous (D) hemizygous (C) Test cross (D) Back cross
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