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question_answer1)
The transmission of characters from the parents to their off springs is called:
A)
Evolution done
clear
B)
Heridity done
clear
C)
Variation done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer2)
The differences in the characters among the individuals of a species are called:
A)
Evolution done
clear
B)
Heridity done
clear
C)
Variation done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer3)
Which one of the following statements is correct?
Statement 1: Chromosomes are thread like structures present in the nucleus of a cell. |
Statement 2: Different organisms have different number of chromosomes in their nuclei. |
A)
Statement done
clear
B)
Statements done
clear
C)
Both statements are correct done
clear
D)
Both statements are incorrect done
clear
E)
None of these done
clear
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question_answer4)
The characteristic which is visible in an organism is called its:
A)
Phenotype done
clear
B)
Genotype done
clear
C)
Chromosomes done
clear
D)
Genes done
clear
E)
None of these done
clear
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question_answer5)
A new form of plant resulting from a cross-pollination of different varities of a plant is known as:
A)
Recessive plant done
clear
B)
Dominant plant done
clear
C)
Hybrid plant done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer6)
A trait of an organism which is caused by DNA in germ cells is called.
A)
Recessive trait done
clear
B)
Dominant trait done
clear
C)
Inherited trait done
clear
D)
Aquried trait done
clear
E)
None of these done
clear
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question_answer7)
The genetic constitution of an individual organism is called its:
A)
Genotype done
clear
B)
Phenotype done
clear
C)
Hybrid done
clear
D)
Nucleus done
clear
E)
None of these done
clear
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question_answer8)
The heridity units, which are stretches of DNA called:
A)
Traits done
clear
B)
Gametes done
clear
C)
Characters done
clear
D)
Genes done
clear
E)
None of these done
clear
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question_answer9)
Who of the following scientists is regarded as the father of genetics?
A)
Charles Darwin done
clear
B)
Albert Einstein done
clear
C)
Galileo Galilei done
clear
D)
Gregor Johann Mendel done
clear
E)
None of these done
clear
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question_answer10)
Which one of the following statements is correct?
Statement 1: The gene which decides the appearance of an organism even in the presence of an alternative gene is known as a dominant gene. |
Statement 2: The gene which decides the appearance of an organism even in the presence of an alternative gene is known as a recessive gene. |
A)
Statement 1 done
clear
B)
Statement 2 done
clear
C)
Both statements are correct done
clear
D)
Both statements are incorrect done
clear
E)
None of these done
clear
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question_answer11)
Who among the following first coined the term "Genetics"?
A)
Wilhelm Johannsen done
clear
B)
Gregor Mendel done
clear
C)
William Bateson done
clear
D)
Carl Linnaeus done
clear
E)
None of these done
clear
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question_answer12)
Which one of the following characteristics was not included in the experiments done by Mendel?
A)
Pod colour done
clear
B)
Pod shape done
clear
C)
Seed colour done
clear
D)
Number of cotyledons done
clear
E)
None of these done
clear
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question_answer13)
Which of the following is an example of homologous organs?
A)
Forelimbs of a man and a lizard done
clear
B)
Wings of an insect and a bird done
clear
C)
Nictitating membrane done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer14)
Rudimentary and non-functional organs are called:
A)
Homologous organs done
clear
B)
Vestigial organs done
clear
C)
Analogous organs done
clear
D)
Temporary organs done
clear
E)
None of these done
clear
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question_answer15)
Archaeopteryx possesses the features of:
A)
Birds and mammals done
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B)
Reptiles and birds done
clear
C)
Reptiles and mammals done
clear
D)
All the above done
clear
E)
None of these done
clear
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question_answer16)
Organs similar in function but different in structure and origin are known as:
A)
Vestigial organ done
clear
B)
Homologous organ done
clear
C)
Analogous organ done
clear
D)
Temporary organ done
clear
E)
None of these done
clear
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question_answer17)
A zygote with two X chromosomes develops into a/an:
A)
Girl done
clear
B)
Boy done
clear
C)
Either [a] or [b] done
clear
D)
Endosperm done
clear
E)
None of these done
clear
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question_answer18)
Chromosomes other than sex chromosomes are known as :
A)
Fossils done
clear
B)
Autosomes done
clear
C)
Homologous done
clear
D)
Alleles done
clear
E)
None of these done
clear
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question_answer19)
Which law of Mendel is also known as ?Law of purity of gametes??
A)
Law of dominance done
clear
B)
Law of independent assortment done
clear
C)
Law of segregation done
clear
D)
Law of gravitation done
clear
E)
None of these done
clear
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question_answer20)
Mendelian monohybrid phenotypic ratio is:
A)
1 : 3 done
clear
B)
3 : 1 done
clear
C)
9 : 3 : 3 : 1 done
clear
D)
3 : 3 done
clear
E)
None of these done
clear
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question_answer21)
To avoid self fertilization Mendel removed the :
A)
Ovules of the flowers done
clear
B)
Anthers of the flowers done
clear
C)
Petals of the flowers done
clear
D)
Sepals of the flowers done
clear
E)
None of these done
clear
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question_answer22)
A trait of an organism which is developed in response to the environment is:
A)
Acquired trait done
clear
B)
Inherited trait done
clear
C)
Recessive trait done
clear
D)
Dominant trait done
clear
E)
None of these done
clear
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question_answer23)
Who among the following wrote the book "The origin of species??
A)
Carl Linnaeus done
clear
B)
Charles Darwin done
clear
C)
Robert Brown done
clear
D)
William Bateson done
clear
E)
None of these done
clear
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question_answer24)
Which of the following statements appropriately defines the term gene?
A)
The process by which early organisms of the earth diversified into various new forms. done
clear
B)
Transmission of characteristics from parents to their offspring. done
clear
C)
The study of pattern of transmission of characters from parents to their offspring. done
clear
D)
Stretches of DNA containing coded information for making proteins. done
clear
E)
None of these done
clear
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question_answer25)
Which of the following plants was used by Mendel for his experiments?
A)
Mirabilis Jalapa done
clear
B)
Pisum sativum done
clear
C)
Azadirachta indica done
clear
D)
Ocimum tenuiflorum done
clear
E)
None of these done
clear
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question_answer26)
The science dealing with heredity and variations is known as:
A)
Pedagogy done
clear
B)
Evolution done
clear
C)
Ornithology done
clear
D)
Genetics done
clear
E)
None of these done
clear
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question_answer27)
Which of the following observations was not included in Darwinism?
A)
Struggle for existence done
clear
B)
Natural selection done
clear
C)
Use of vestigial organs done
clear
D)
Overpopulation done
clear
E)
None of these done
clear
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question_answer28)
The number of X chromosomes in female ovum are:
A)
four done
clear
B)
Two done
clear
C)
One done
clear
D)
Three done
clear
E)
None of these done
clear
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question_answer29)
Which of the following is a source of genetic variation?
A)
Mutation in gene done
clear
B)
Genetic recombination done
clear
C)
Both [a] and [b] done
clear
D)
Clones formed during asexual reproduction done
clear
E)
None of these done
clear
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question_answer30)
Which of the following statements is correct?
Statement 1: The proportion of a particular allele in a population is known as gene frequency. |
Statement 2: All the genes in a population of a species at a given time is known as gene pool. |
A)
Statement 1 is correct and statement 2 is incorrect. done
clear
B)
Statement 2 is correct and statement 1 is incorrect. done
clear
C)
Both the statements are correct. done
clear
D)
Both statements are incorrect. done
clear
E)
None of these done
clear
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question_answer31)
Match the following:
Column A | Column B |
(i) Genotype \[{{I}^{A}}{{I}^{O}}\] | [A] Blood group O |
(ii) Genotype \[{{I}^{B}}{{I}^{O}}\] | [B] Blood group B |
(iii) Genotype \[{{I}^{A}}{{I}^{B}}\] | [C] Blood group A |
(iv) Genotype \[{{I}^{O}}{{I}^{O}}\] | [D] Blood group AB |
A)
(i - C), (ii - B), (iii - D), (iv - A) done
clear
B)
(i - C), (ii - B), (iii - A), (iv - D) done
clear
C)
(i - B), (ii - C), (iii - D), (iv - A) done
clear
D)
(i - D), (ii - C), (iii - A), (iv - B) done
clear
E)
None of these done
clear
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question_answer32)
The phenotypic ratio of a dihybrid cross in f2 generation is:
A)
3 : 1 done
clear
B)
1 : 3 : 3 : 1 done
clear
C)
9 : 3 : 3 : 1 done
clear
D)
1 : 3 : 3 : 9 done
clear
E)
None of these done
clear
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question_answer33)
The formation of one or more species from an existing species is known as :
A)
Specification done
clear
B)
Speciation done
clear
C)
Diversified species done
clear
D)
Natural selection done
clear
E)
None of these done
clear
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question_answer34)
Clamitan and Catesbeiana are species of:
A)
Frog done
clear
B)
Tiger done
clear
C)
Snake done
clear
D)
Bat done
clear
E)
None of these done
clear
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question_answer35)
____ is the study of fossils.
A)
Pedagogy done
clear
B)
Palaeontology done
clear
C)
Ornithology done
clear
D)
Evolution done
clear
E)
None of these done
clear
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question_answer36)
Alternative forms of a gene are called :
A)
Factors done
clear
B)
Multiples done
clear
C)
Radii done
clear
D)
Alleles done
clear
E)
None of these done
clear
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question_answer37)
Genes are located on :
A)
Nuclear membrane done
clear
B)
Chromosomes done
clear
C)
Mitochondria done
clear
D)
Endoplasmic reticulum done
clear
E)
None of these done
clear
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question_answer38)
In a plant X, a pure tall plant (TT) is crossed with a short plant (tt). The ratio of pure tall plants to short plants in \[{{F}_{2}}\] is:
A)
3 : 1 done
clear
B)
1 : 3 done
clear
C)
1 : 1 done
clear
D)
2 : 1 done
clear
E)
None of these done
clear
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question_answer39)
The maleness of a child is determined by:
A)
The X chromosome in the zygote. done
clear
B)
The 1T chromosome in zygote. done
clear
C)
The cytoplasm or germ cell which determines sex. done
clear
D)
Sex is determined by chance. done
clear
E)
None of these done
clear
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question_answer40)
A trait in an organism is influenced by
A)
Paternal DNA only done
clear
B)
Maternal DNA only done
clear
C)
Both maternal and paternal DNA done
clear
D)
Either [a] or [b] done
clear
E)
None of these done
clear
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