Class 10th Biology Chapter 15 Inheritance MCQs Short Long Notes

biology 10th notes Chapter 15

1. Parental generation is denoted as

 
 
 
 

2. A cross in which only one trait in studied is called

 
 
 
 

3. Axial and terminal are the two traits of

 
 
 
 

4. The dominant trait for seed shape is

 
 
 
 

5. Gregor Mendel developed the fundamental principles of

 
 
 
 

6. An organism’s expressed physical trait, such as seed colour or pod shape  is called its;  

 
 
 
 

7. The genotypes can be divided into ______ groups.

 
 
 
 

8. Which of the following statements about this plant is FALSE?  

 
 
 
 

9. The pea seeds will be green and wrinkled if the genotype is

 
 
 
 

10. How many genetically different kinds -of gametes an individual with genotype AAbb can produce?  

 
 
 
 

11. Each trait studied in pea plant by Gregor Mendel has ______ distinct forms

 
 
 
 

12. AA is an example of

 
 
 
 

13. According to Darwin,-the offspring that are most likely to survive are those that

 
 
 
 

14. The specific combination of genes in an individual is known as

 
 
 
 

15. The dominant alleles are represented by

 
 
 
 

16. The ratio of the phenotypes in case of dihybrid cross is

 
 
 
 

17. Initially Gregor Mendel used the term __________ for genes

 
 
 
 

18. James Watson and Francis Crick proposed the structure for DNA in

 
 
 
 

19. If two contrasting traits are studied at a time, the cross is called

 
 
 
 

20. The scientific name for pea plant is

 
 
 
 

21. Cytosine forms pair with:  

 
 
 
 

22. Gregor Mendel was a

 
 
 
 

23. The pea plant DONOT have

 
 
 
 

24. Outside of double helix, there is a   

 
 
 
 

25. It is controlled by one pair of genes

 
 
 
 

26. In human there are   

 
 
 
 

27. Genetics is:  

 
 
 
 

28. The gene pair contains two different alleles in case of

 
 
 
 

29. Homologous chromosomes are:  

 
 
 
 

30. Unit of inheritance is known as:  

 
 
 
 

31. Double helix, the nitrogen base adenine forms pair with:  

 
 
 
 

32. Mendel’s primary contribution to our understanding of inheritance was;

 
 
 
 

33. According to Watson Crick model:  

 
 
 
 

34. _________ is a dominant trait

 
 
 
 

35. The form of tetra helix

 
 
 
 

36. The gene pair contains two identical alleles in case of

 
 
 
 

37. The term true breeding means

 
 
 
 

38. At first Mendel studied the trait of

 
 
 
 

39. The double helix strands are held together by:  

 
 
 
 

Short Questions

1. Briefly describe the location of allele in an individual?
2. Creation of the new types of organisms from a single type
3. Define a Gene. Write symbols of genes for any two traits.
4. Define Albinism.
5. Define Allele.
6. Define artificial selection or selective breeding.
7. Define artificial selection?  
8. Define co-dominance. Give an example.
9. Define DNA replication. / Give the purpose of DNA replication?
10. Define Double helix.
11. Define Gene flow?  
12. Define Genetics.
13. Define genotype and phenotype
14. Define genotype and phenotype. / Differentiate between genotype and phenotype.
15. Define incomplete dominance. Give an example.
16. Define Inheritance.
17. Define Law of Segregation.
18. Define Locus.
19. Define Mendel’s Law of independent assortment.
20. Define Natural selection.
21. Define Nucleosomes?  
22. Define organic evolution? Write down its major processes?  
23. Define organic or biological evolution.
24. Define Punnett Square.
25. Define the Law of independent‘ assortment
26. Define translation?  
27. Define variation. Give two sources of variations.
28. Describe continuous variations.
29. Describe, briefly the role of DNA?  
30. Differentiate between breeds and varieties or cultivars.
31. Differentiate between discontinuous and continuous variations.
32. Differentiate between discontinuous variations and continuous variations?
33. Differentiate between dominant allele and recessive allele
34. Differentiate between dominant allele and recessive allele.
35. Differentiate between genotype and phenotype.
36. Differentiate between homozygous genotype and heterozygous genotype.
37. Differentiate between monohybrid and dihybrid cross.
38. Differentiate between monohybrid cross and dihybrid cross.
39. Differentiate between natural and artificial selection
40. Differentiate between transcription and translation.
41. Enlist the examples of continuous variations?  
42. Enlist the main sources of variations in sexually reproducing population?  
43. Enlist the name of breeds?  
44. Enlist the nitrogenous bases present in DNA double helix?  
45. Explain the difference between artificial selection and natural selection‘?
46. Give composition of chromatin/ chromosome.
47. How do we represent the pairs of genes?  
48. How does DNA look like according to Watson and Crick model?  
49. How does DNA replicate?  
50. How does DNA work?
51. How many alleles have ‘I’ gene, responsible for blood groups in human?
52. How many pairs of homolgous chromosomes are present in human?
53. How many types of inheritable variations are?” Name the types?  
54. Make a list of nitrogenous bases in double helix.
55. Name the protein present in the structure of chromosomes?  
56. Name the scientist who expressed the term artificial selection?
57. Name’ the biologist, who was the first to propose a mechanism of evolution
58. State law of independent assortment.
59. What are discontinuous variations?
60. What are homologous chromosomes?
61. What are Homologous chromosomes? How many of these exist in man?
62. What are the homozygous and heterozygous genotypes?
63. What are traits? Write two human traits.
64. What do you know about the possible number of chromosomal combinations at fertilization in humans?
65. What do you mean by dominant and recessive alleles?  
66. What features should be present in an organism used for genetic experiments? / Why Mendel selected pea plant for his experiments? 
67. What is ‘the theory of special creation”?  
68. What is a dominant allele?
69. What is a recessive allele?
70. What is anti-evolution or theory of special creation?
71. What is central dogma?  
72. What is genotype? Give its types.
73. What is Gentic recombination?  
74. What is meant by alleles?  
75. What is meant by chromatin material?  
76. What is meant by evolutionary fitness?
77. What is meant by homologous chromosomes?  
78. What is meant by Punnett square?  
79. What is meant by transcription?  
80. What is Mendel’s Law of Segregation?  
81. What is nucleosome?
82. What is sequence of bonding of nitrogenous bases in double helix?  
83. What is the central concept of natural selection?   
84. What is the consequence of natural selection?  
85. What is the difference between breeds and cultivars?  
86. What is the reason of Mendel’s success in his experiments?
87. What is true breeding?
88. What processes are involved in Organic evolution?
89. What Punnett square is used for?
90. What were the seven traits of pea plant by Mendel?
91. What will be Genotype of plants produced as a result of cross between two plants having Genotype Rr?
92. What-is the contribution of Mendel in the field of inheritance?  
93. When did modern evolutionary theory begin?’  
94. Which vegetable Mendel selected for his experiments?  
95. Who proposed the structure of DNA?  
96. Who was Gregor Mendel‘?  
97. Why did Darwin’s theory of evolution not widely accepted?  
98. Why did Mendel only select pea plants for experiments
99. Write down about recessive and dominant traits with an example?
100. Write down about the gene I?
101. Write down its types
102. Write down the difference between homozygous genotype and heterozygous genotype?  
103. Write down the difference between monohybrid and dihybrid cross?
104. Write two possible genotypes for blood group A.
105. Write two possible genotypes for blood group B.

Long Questions

1. Define organic evolution. Describe the processes of evolution. Also describe different ideas of evolution.
2. Describe role of natural selection in evolution with examples.
3. Describe the Watson and crick model of DNA.
4. Explain different types of inheritable variations.
5. Explain Mendel’s law of Independent Assortment with example.
6. How does the DNA of chromosomes work?
7. How would you prove that variations lead to evolution?
8. State and explain with examples Mendel’s law of segregation.
9. What do you know about the central dogma?
10. What do you mean by incomplete dominance? Explain with an example.
11. What is meant by genotype? Explain its types with examples.
12. Why did Mendel selected pea plant for his experiments?
13. Write a note on artificial selection.
14. Write a note on replication of DNA.

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