Class 10th Biology Chapter 6/15


Total Marks: 66

1. Chromatin material is made of.
DNA and protein RNA Protein DNA
2. James Waston and Francis Crick proposed the structure of DNA in:
1922 1933 1963 1953
3. How many pairs of homologous chromosomes are present in human body cells ?
25 24 23 22
4. The process of formation of protein is .
Replication Mutation Duplication Translation
5. DNA Histon is surrounded by a protein and form a structure called.
Nucleus Nucleosome Nucleoside Nucleotide
6. The process of formation of protein is
Replication Mutation Duplication Translation
7. If an organism have genotype of AAbb , how many types of gametes can it produce
4 1 2 3
8. The allele which is not expressed in F generation is called
Selected Mutant Recessive Dominant
9. Alternative forms of a gene are called
Replication Alleles Phenotype Genotype
10. The organisms expressed physical trait such as seed colour or pod shaped is called
Body type Karyotype Phenotype Genotyp
11. Formation of messenger RNA from DNA is called
Translation Transduction Transcription Translocation
12. The process of formation of protein is
Replication Mutation Duplication Translation
13. In the structure of DNA Adenine of one nucleotide pairs with which of the nitrogenous base opposite nucleotide
Uracil Thymine Cytosine Guanine
14. Number of Nitrogen bases in DNA is
Five Two Three Four
15. Guanine forms pair with
Cytosine Carbon Thymine Adenine
16. Part of DNA that contains the instructions for the synthesis of a particular protein is called.
Polysome Chromosome Gene Locus
17. Transcription is carried out by
chromatids DNA ribosomes mRNA
18. Locations of Genes on Chromosomes are known as
Nucleosomes Loci Genotype Allele
19. In transcription , the specific sequence of DNA nucleotides is copied in the form of --------------- nucleotides
RNA- plymerase m RNA t RNA ANR
20. No. of hydrogen bonds between Adenine and thymine is.
1 2 3 4
21. How many pea plants were used in experiment of Mendel ?
27,000 26,000 29,000 28,000
22. On which vegetable , Mendel carried out a large number of experiments ?
Gabbage Potato Tomato Pea
23. What is meaning of the term \" true breeding \" ?
Hemixygous Holozygous Heterozygous Homozygous
24. Scientist who developed law of segregation
Charles Darwin RC Punnet Gregor Mendel John Mathew
25. The Scientist presented the law of segregation
Mendel Joseph Lister Lamark Charles Darwin
26. A cross in which one character is studied at a time is called.
Test Cross Dihybrid Cross Monohybrid cross Back Cross
27. RRYy represents.
Round yellow Round ground Wrinkled yellow Wrinkled green
28. In dihybrid crosses , the ration of these phenotypes was.
4 : 0 9 : 4 : 3 : 0 9 : 3 : 3 : 1 3 : 1
29. The ratio of phenotype in the law of independent assortment
9 : 3 : 1 : 4 9 : 3 : 1 : 3 9 : 3 : 2 : 2 9 : 3 : 3 : 1
30. Pea plant with genotype rryy will produce seeds
Wrinkled green Round green Wrinkled yellow Round yellow
31. The punnett square is also called
Mendel board Genetic board Checker board Score board
32. Mendal got the ration of tall to short plants in F2 as .
9 : 3 : 3 : 1 1 : 3 : 9 : 3 2 : 3 3 : 1
33. Human Blood group AB is an example of.
Co-dominance Incomplete dominance Complete dominance Recessiveness
34. Person with blood A has antigens
M B A AB
35. Allel \" i \" is recessive.
Blood group O Blood group B Blood group A ) Blood group AB
36. Three alleles I , I and i control human blood group . What is the blood group of a person having two alleses ii ?
Blood group O Blood group B Blood group A Blood group AB
37. Such person having in antigen in his blood will have blood group.
B O AB A
38. Example of Co-dominance is
Blood group B Blood group A Blood group ABO Blood group O
39. Phenotypes ratio in incomplete dominance.
1 : 2 : 1 1 : 3 : 3 1 : 3 3 : 1
40. The blood group of a person having genotype (ii) is
O A B AB
41. Transmission of characters ( traits ) from parent to off spring is called
Inheritance Mutation Regereration Reproduction
42. These are unit of Inheritance
Genes Alleles Phenotype Genotype
43. It is a genetic material
DNA RNA tRNA r RNA
44. Inherited characters are called.
Genes Traits Genetics Fertilization
45. Branch of biology in which we study about inheritance.
Pharmacology Physiology Ecology Genetics
46. Genetics is the branch of biology in which we study
Funtions Fossils Inheritance Evolution
47. The specific combination of genes in an individual is called.
Phenotype Genotype Karyotype Phenocopy
48. Ribosome reads the sequence of mRNA nucleotides and joins specific amino acids to form protein. This step is known as
Combination Replication Transcription Translation
49. The actual location of gene on chromosome is .
Locus Karyotype Chromatids Centromere
50. The location or position of genes on chromosomes are called
Loci Alleles Phenotypes Genotypes
51. The characteristics which appear in an organism are called.
Genotype Karyotype Phenotype Body type
52. The allele which is not expressed is called
Dominant Phenotype Genotype Recessive
53. An organism has two different alleles for a single trait. Its genotype is said to be.
Homozygous Heterozygous Holozygous Hemizygous
54. Dominat alleles are represented by
Small letters Capital letters Roman numbers Numerical numbers
55. The Allele which is not expressed is called.
Dominant Recessive Homozygous Hetorozygous
56. The genotype in which the gene pair contains identical alleles are called
Locus Mutations Homozygous Heterozygous
57. Ablinism is a trait
Co-dominant Recessive Dominant Incomplete dominant
58. Theory of Evolution was presented first of all by.
Abu Rehan Al-Biruni Darwin De Buffun Lamarck
59. An example of discontinuous variation is
Height Weight Intelligence Blood groups
60. The book \" Natural Selection \" written by Darwin was published in.
1859 AD 1860 AD 1959 AD 1960 AD
61. Darwin published his book an natural selection in.
1860 AD 1859 AD 1959 AD 1960 AD
62. Darwin proposed the theory of
Theory of special creation Natural selection Use and discus of organs Mutation
63. Theory of Natural Selection was presented by
Aristotle Darwin Lamarck Malthas
64. Term \" artificial selection \" was expressed by a person scientist.
Aristotle Theophrastus C.D Buffon Abu Rehan Al Biruni
65. In artificial selection the bred plants are called
Breeds Mutation Lichens Varieties or Cultivatars
66. The term \" artificial selection \" was expressed by
Watson Bu Ali Sina Gregor Mendel Abu Rehan Al Birun