Genetics Some Basic Fundamentals Class 10 ICSE Biology MCQ Questions
Looking for Genetics Some Basic Fundamentals Class 10 ICSE Biology Chapter 3 MCQ Questions? If yes, You are the right page. Here we have provided ICSE class 10 biology chapter 3 multiple choice questions and answers. All MCQ are important.
Multiple Choice Questions
( I ) Choose the best answer
( 1 ) The study of heredity that contributes in transmitting specific characteristics from parents to children is called
a ) Parental features b) Descent
c ) Genetics d) Kinship
Answer : c ) Genetics
( 2 ) Who is considered as the “ Father of Genetics ‘’ ?
a ) Gregor Mendel b) William Harvey
c) Charles Darwin d) Werner Arber
Answer : a ) Gregor Mendel
( 3 ) The law of inheritance was first elucidated by
a ) John Abelson b) Michel Adanson
c) Gregor Mendel d) Carl Adolph Agardh
Answer : c ) Gregor Mendel
( 4 ) Two modern applications in the field of genetics primarily includes
a ) Genetic drift and Genetic variation b ) Genetic diversity and Genetic flow
c ) Genetic mutation and Gene expression d ) Genetic engineering and Genetic counselling
Answer : d ) Genetic engineering and Genetic counselling
( 5 ) Which one of the following is considered as the first gene product ?
a ) Insulin b ) Estrogen
c ) Cortisol d ) Adrenaline
Answer : a ) Insulin
( 6 ) Every living organisms are capable of producing their own kind through the process of
a ) Production b ) Regeneration
c) Reproduction d ) Fragmentation
Answer : c ) Reproduction
( 7 ) What is the full form of GMO ?
a ) Genetified modified organism b) Genetically modified organism
c) Genetically modification organism d) Genetics modifying organism
Answer : b ) Genetically modified organism
( 8 ) Diseases such as haemophilia , thalassemia and sickle cell anaemia falls under the category of
a ) Mental illness b ) Physical problem
c) Genetic disease d) All of the above
Answer : c ) Genetic disease
( 9 ) The method of transmitting certain genetically constructed features from parents to children is known as
a ) Ancestry b) Parental characteristics
c) Succession d) Heredity
Answer : d ) Heredity
( 10 ) The term ‘ variation ‘ literally means
a ) Exhibiting difference in terms of appearance b) Exhibiting similarity in terms of appearance
c) Exhibiting both similarity and difference in terms of appearance d ) None of the above
Answer : a ) Exhibiting difference in terms of appearance
(11 ) The term ‘ Character’ literally means
a ) Acquired characteristics of an organism b ) Inherited characteristics of an organism
c ) Both learned and inherited feature of an organism d ) None of the above
Answer : b ) Inherited characteristics of an organism
( 12 ) Any characteristics or features that are solely based on the ground of genetics is called
a ) Character b) Traits
c) Ascendants d) Predecessor
Answer : b ) Traits
(13 ) The most significant characteristics of the Individual species is that
a ) The chromosome number remains constant b ) The chromosome number exceeds
c ) The chromosome number alters d ) The chromosome number diminishes
Answer : a ) The chromosome number remains constant
(14) The total number of chromosomes possessed by a human being is
a ) 49 b) 22
c) 46 d) 50
Answer : c ) 46
(15 ) Every organisms contains even number of chromosomes. This is due to the fact that
a ) They does not occur in pairs b ) They occur in pairs
c ) They occur randomly c ) They never occur in sequence
Answer : b ) They occur in pairs
( 16 ) Chromosomes are mainly classified into two types. What are the two types of chromosomes?
a ) Sex chromosomes and autosomes b) Centromere and Telomere
c ) Kinetochore and Satellite d) Primary constriction and secondary constriction
Answer : a ) Sex chromosomes and autosomes
( 17 ) The type of chromosomes that plays an essential role in asserting basic physical characteristics are known by the name of
a ) Autosomes b ) Sex chromosomes
c) Gametes d ) Hereditary carrier
Answer : a ) Autosomes
( 18 ) How many pairs of autosomes do humans possess ?
a ) 14 b ) 18
c ) 22 d ) 24
Answer : c ) 22
( 19 ) The other name of sex chromosome is
a ) Autosomes b ) Allosomes
c) Somatic chromosome d ) None of the above
Answer : b ) Allosomes
(20 ) How many pair (s) of sex chromosomes does humans have ?
a ) 2 b ) 4
c ) 6 d ) 1
Answer : d ) 1
( 21 ) The combination of XX chromosomes tends to make a
a ) Male b ) Female
c ) Third gender c ) All of the above
Answer : b ) Female
(22 ) The combination of XY chromosomes tends to make a
a ) Third gender b ) Male
c ) Female d ) Queer
Answer : b ) Male
(23 ) Chromosomes are also considered as
a ) Carriers of microorganisms b ) Carriers of colour blindness
c ) Carriers of ascendant d ) Carriers of genes
Answer : d ) Carriers of genes
(24 ) Which animals possessuniform number of chromosomes inspite of depicting several differences in physical features ?
a ) Dog and Cat b ) Elephant and Tiger
c ) Lion and Cat d ) Monkey and Gorilla
Answer : c ) Lion and Cat
( 25 ) On which year the term “ gene ‘’ was coined ?
a ) 1889 b) 1901
c ) 1905 d ) 1909
Answer : d ) 1909
( 26 ) Who played a significant role in coining the term “ gene ‘’ ?
a ) August Weismann b ) Thomas Hunt Morgan
c ) Wilhelm Johanssen d ) Hugo de Vries
Answer : c ) Wilhelm Johanssen
(27)The number of genes contained in humans as indicated by the recent findings are
a ) 13 , 000 b ) 15, 000
c ) 18, 000 d ) 19 , 000
Answer : d )19 , 000
( 28 ) Genome mainly signifies
a ) Partial complement of DNA b ) Full complement of DNA
c ) Nullified complement of DNA d ) None of the above
Answer : b ) Full complement of DNA
( 29) On the basis of their correlated traits , Alleles can be portrayed as
a ) Genotype b ) Phenotype
c ) Dominant and Recessive d ) Hereditary
Answer : c ) Dominant and Recessive
( 30 ) The cells of an organism that contains set of genes are called
a ) Phenotype b ) Genotype
c ) Prototype d ) Physical composition
Answer : b ) Genotype
( 31 ) Colour blindness is one of the most relevant example that falls under the category of
a ) Liver disease b ) Skin disease
c ) Bone disease d ) Inherited disease
Answer : d ) Inherited disease
( 32 ) Which genetic disorder is responsible for insufficient clotting of blood that may even result to death ?
a ) Anemia b ) Thalassemia
c ) Hemophilia d ) Myeloma
Answer : c ) Hemophilia
(33 ) The plant that Mendel selected for carrying out his experiment was
a ) Garden pea b ) Coffee plant
c ) Spider plant d ) Cactus
Answer : a ) Garden pea
( 34 ) Which of the following is the genotypic monohybrid ratio in F 2 generation?
a ) 1 : 3 b ) 2 : 1
c ) 1 : 2 : 1 d ) 3 : 1
Answer : c ) 1 : 2 : 1
( 35) Which of the following is the genotypic dihybrid ratio in F 2 generation?
a ) 9 : 3 : 3 : 1 b ) 3 : 6 : 2
c ) 8 : 4 : 2 d ) 1 : 3 : 3 : 9
Answer : a ) 9 : 3 : 3 : 1
( 36 ) The law (s) which constituted Mendel’ s law of inheritance is / are
a ) Law of Dominance b ) Law of Segregation
c ) Law of Independent Assortment d ) All of the above
Answer : d ) All of the above
( 37) Law of Segregation is also known as :
a) Law of purity of gametes b ) Law of Dominance c ) Law of Independent Assortment
d ) None of the above
Answer : a ) Law of purity of gametes
( 38 ) Hybridisation plays an important role in the creation of
a ) New types of plants b ) New types of cells
c ) New types of genes d ) All of the above
Answer : a ) New types of plants
( 39 ) Sickle cell anemia is one of the most appropriate example of
a ) Bone disease b ) Skin disease
c ) Blood disease d ) Lung disease
Answer : c ) Blood disease
( 40 ) Which one of the following is responsible for altering the gene structure ?
a ) Radionuclide b ) Radioactive radiations
c ) Radiobiology d ) None of the above
Answer : b ) Radioactive radiations
For more update follow net explanations page