NEET Biology Principle Of Inheritance And Variation Question Bank

done Interaction of Gene and Cytoplasmic Inheritance Total Questions - 45

• question_answer1)
  The \[{{F}_{2}}\] dihybirid ratio 9 : 3 : 4 is explained on the basis of [BHU 1988]
  A)
  Epistatic gene done clear
  B)
  Supplementary gene done clear
  C)
  Allelic interaction done clear
  D)
  Complementary gene interaction done clear
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• question_answer2)
  The phenomenon of incomplete dominance was observed by
  A)
  De Vries done clear
  B)
  Correns done clear
  C)
  Tschermak done clear
  D)
  None of the above done clear
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• question_answer3)
  What is the other name for "incomplete dominance''
  A)
  Blending inheritance done clear
  B)
  Co-dominance done clear
  C)
  Pseudo-dominance done clear
  D)
  All the above done clear
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• question_answer4)
  In poultry, new comb colour appears by colaboration of two dominant gene is
  A)
  Walnut done clear
  B)
  Single done clear
  C)
  Rose done clear
  D)
  Pea done clear
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• question_answer5)
  Lathyrus odoratus is an example of which of the following genes [CPMT 2000]
  A)
  Supplementary genes done clear
  B)
  Complementary genes done clear
  C)
  Lethal genes done clear
  D)
  Codominant genes done clear
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• question_answer6)
  The example of epistatic gene is shown by
  A)
  Comb colour of poult done clear
  B)
  Sweet pea done clear
  C)
  Cucurbitta pepo done clear
  D)
  None of the above done clear
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• question_answer7)
  Dominant epistasis is shown by
  A)
  Antirrhinum majus done clear
  B)
  Lathyrus odoratus done clear
  C)
  Mirabilis jalapa done clear
  D)
  None of the above done clear
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• question_answer8)
  Which is the example of supplementary gene
  A)
  Cucurbitta pepo done clear
  B)
  Skin colour of mice done clear
  C)
  Comb shape of poults done clear
  D)
  None of the above done clear
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• question_answer9)
  Colour of endosperm in maize is an example of
  A)
  Duplicate genes done clear
  B)
  Inhibitory genes done clear
  C)
  Polymeric genes done clear
  D)
  Quantitative inheritance done clear
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• question_answer10)
  In \[{{F}_{2}}\] generation of monohybrid cross the cause of 1 : 2 : 1 phenotypic ratio is [Pb. PMT 2004]
  A)
  Epistatics done clear
  B)
  Inhibition done clear
  C)
  Quantitative inheritance done clear
  D)
  Incomplete dominance done clear
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• question_answer11)
  Which is the example of inhibitory gene
  A)
  Rice done clear
  B)
  Pea done clear
  C)
  Sweet pea done clear
  D)
  All the above done clear
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• question_answer12)
  Lethal genes are
  A)
  Dominant homozygous done clear
  B)
  Recessive done clear
  C)
  Dominant heterozygous done clear
  D)
  Codominant done clear
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• question_answer13)
  The fruit shape in tomato is an example of
  A)
  Complementary gene done clear
  B)
  Supplementary genes done clear
  C)
  Polygenic inheritance done clear
  D)
  Duplicate genes done clear
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• question_answer14)
  In shorthorn cattle genes for red \[({{r}_{1}}),\] and white \[({{r}_{2}})\] coat colour occur. Crosses between red \[({{r}_{1}}{{r}_{2}})\] and white \[({{r}_{2}}{{r}_{2}})\] produced \[({{r}_{1}}{{r}_{2}})\] roan. This is an example of           [BHU 2003]
  A)
  Complementary genes done clear
  B)
  Epistasis done clear
  C)
  Codominance done clear
  D)
  Incomplete dominance done clear
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• question_answer15)
  Genes that are similar in phenotypic effect when present separately, but together interact to produce a different trait and ratio is 9 : 7 in \[{{F}_{2}}\] generation. What are such genes known as [DPMT 1980]
  A)
  Supplementary genes done clear
  B)
  Complementary genes done clear
  C)
  Hypostatic genes done clear
  D)
  Epistatic genes done clear
  View Solution play_arrow

• question_answer16)
  The phenomenon in which an allele of one gene suppresses the activity of an allele of another gene is known as [CBSE PMT 1995]
  A)
  Dominance done clear
  B)
  Inactivation done clear
  C)
  Epistasis done clear
  D)
  Suppression done clear
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• question_answer17)
  In Mirabilis jalapa, when homozygous red-flowered and white-flowered plants are crossed, all \[{{F}_{1}}\] plants have pink-coloured flowers. In \[{{F}_{2}}\] produced by selfing of \[{{F}_{1}}\] individuals, red, pink and white flowered plants appear respectively in the ratio of or What will be the ratio in \[{{F}_{2}}\] generation if red-flowered variety of Mirabilis jalapa is crossed with white-flowered variety [MP PMT 1995, 98, 99; BHU 2003]
  A)
  1 : 1 : 1 : 1 done clear
  B)
  1 : 2 : 1 done clear
  C)
  2 : 1 done clear
  D)
  3 : 1 done clear
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• question_answer18)
  What would be the colour of flowers in \[{{F}_{1}}\] progeny as a result of a cross between homozygous red and homozygous white-flowered Snapdragon [MP PMT 1997]
  A)
  Red done clear
  B)
  White done clear
  C)
  Red and white done clear
  D)
  Pink done clear
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• question_answer19)
  9 : 3 : 3 : 1 ratio is modified to 9 : 7 ratio due to [CPMT 1998; CBSE PMT 2001]
  A)
  Complementry gene done clear
  B)
  Epistatic gene done clear
  C)
  Hypostatic gene done clear
  D)
  Supplementry gene done clear
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• question_answer20)
  Incomplete dominance is found in [MP PMT 2001]
  A)
  Pisum sativum done clear
  B)
  Antirrhinum majus done clear
  C)
  Both (a) and (b) done clear
  D)
  None of these done clear
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• question_answer21)
  Complete dominance is absent in [JIPMER 2002]
  A)
  Pisum sativum done clear
  B)
  Mirabilis jalapa done clear
  C)
  Lathyrus odoratus done clear
  D)
  Oenothera lamarckiana done clear
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• question_answer22)
  When an albino female plant of maizeis crossed with normal green male plant, all plants in the progeny are albino because [CBSE PMT 1989; CMC Vellore 1994]
  A)
  Plastids are inherited through maternal plants done clear
  B)
  Albinism is dominant over green character done clear
  C)
  The crossing results in structural changes in green plastids done clear
  D)
  Green plastids of male parents become mutated done clear
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• question_answer23)
  Kappa particles indicate [MP PMT 1987, 2003]
  A)
  Nuclear inheritance done clear
  B)
  Cytoplasmic inheritance done clear
  C)
  Mutation done clear
  D)
  Nucleo-cytoplasmic inheritance done clear
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• question_answer24)
  Mirabilis jalapa is a good example of [AIIMS 2001]
  A)
  Complete dominance done clear
  B)
  Plastid inheritance done clear
  C)
  Both (a) and (b)s done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer25)
  Cytoplasmic male sterility in maize is manifestation of interaction between [CMC Vellore 1994]
  A)
  Chloroplast and nuclear genes done clear
  B)
  Mitochondrial and nuclear genes done clear
  C)
  Chloroplast and mitochondrial genes done clear
  D)
  Cytoplasmic factors and male sterile genes done clear
  View Solution play_arrow

• question_answer26)
  The two organelles responsible for cytoplasmic inheritance among eukaryotes are [MP PMT 1993]
  A)
  Lysosomes and mitochondria done clear
  B)
  Mitochondria and golgi complex done clear
  C)
  Chloroplasts and mitochondria done clear
  D)
  Chloroplasts and lysosomes done clear
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• question_answer27)
  After crossing two plants, the progenies are found to be male sterile. The phenomenon is found to be maternally inherited and is due to some genes which reside in [CBSE PMT 1997; Pb. PMT 2000]
  A)
  Nucleus done clear
  B)
  Chloroplast done clear
  C)
  Mitochondria done clear
  D)
  Cytoplasm done clear
  View Solution play_arrow

• question_answer28)
  Incomplete dominance is shown by [MHCET 2004]
  A)
  Primrose done clear
  B)
  Mirabilis done clear
  C)
  Helianthus done clear
  D)
  China rose done clear
  View Solution play_arrow

• question_answer29)
  \[{{F}_{1}}\] hybrid is intermediate between the two parents. The phenomenon is [MHCET 2004]
  A)
  Codominance done clear
  B)
  Dominace done clear
  C)
  Blending inheritance done clear
  D)
  Incomplete dominance done clear
  View Solution play_arrow

• question_answer30)
  Extranuclear inheritance is a consequence of presence of genes in [CBSE PMT 2004]
  A)
  Ribosomes and chloroplasts done clear
  B)
  Lysosomes and ribosomes done clear
  C)
  Mitochondria and chloroplasts done clear
  D)
  Endoplasmic reticulum and mitochondria done clear
  View Solution play_arrow

• question_answer31)
  Genes for cytoplasmic male sterility in plants are generally located in [CBSE PMT 2005]
  A)
  Mitochondrial genome done clear
  B)
  Cytosol done clear
  C)
  Chloroplast genome done clear
  D)
  Nuclear genome done clear
  View Solution play_arrow

• question_answer32)
  Now a days which of the following are known as "magic circles"
  A)
  Plasmids done clear
  B)
  Genes done clear
  C)
  Amyloplasts done clear
  D)
  Elaioplasts done clear
  View Solution play_arrow

• question_answer33)
  A plasmid [MP PMT 1999]
  A)
  Lives together with chromosome done clear
  B)
  Shows dependent assortment done clear
  C)
  Can replicate independently done clear
  D)
  Cannot replicate done clear
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• question_answer34)
  Hereditary element may be attached to chromosome or found free in cytoplasm is called
  A)
  Microsome done clear
  B)
  Diosome done clear
  C)
  Peroxisome done clear
  D)
  Episome done clear
  View Solution play_arrow

• question_answer35)
  Plasmids so found in bacteria are [MP PMT 2003]
  A)
  Extra nuclear DNA done clear
  B)
  Food particles done clear
  C)
  Dead protoplasmic parts done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer36)
  Plasmids are composed of
  A)
  Folded RNA molecules done clear
  B)
  Single stranded DNA done clear
  C)
  Circular double stranded DNA done clear
  D)
  None of the above done clear
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• question_answer37)
  Genes which confer antibiotic resistance on bacteria are located on [MP PMT 1995]
  A)
  Chromosomal DNA done clear
  B)
  Plasmid done clear
  C)
  RNA done clear
  D)
  Polysome done clear
  View Solution play_arrow

• question_answer38)
  Episome is a
  A)
  Plasmid done clear
  B)
  Part of a chromosome done clear
  C)
  Lysosome done clear
  D)
  Ribosome done clear
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• question_answer39)
  Which of the following is associated with multiple phenotypes [CPMT 1999;AIIMS 2000; JIPMER 2001; AFMC 2001]
  A)
  Epistasis done clear
  B)
  Pleiotropy done clear
  C)
  Polygenic inheritance done clear
  D)
  Mutation done clear
  View Solution play_arrow

• question_answer40)
  A cross involving two different genera is called
  A)
  Monohybrid cross done clear
  B)
  Interspecific cross done clear
  C)
  Intergeneric cross done clear
  D)
  None of the above done clear
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• question_answer41)
  It is easier to study polygenic inheritance of characters in plants than in animals because in the plants
  A)
  Matings can be controlled and large number of offsprings are obtained done clear
  B)
  Matings cannot be controlled and large number of offsprings are produced done clear
  C)
  Matings can be controlled and a small number of offsprings are produced done clear
  D)
  Matings cannot be controlled and a small number of offsprings are produced done clear
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• question_answer42)
  The phenotypic ratio obtained in quantitative inheritance of a dihybrid cross is [DPMT 2004]
  A)
  1 : 2 : 1 done clear
  B)
  1 : 4 : 6 : 4 : 1 done clear
  C)
  1 : 6 : 15  20 : 15 : 6  : 1 done clear
  D)
  9 : 3 : 3 : 1 done clear
  View Solution play_arrow

• question_answer43)
  The hybrid produced by cytoplasmic fusion is called
  A)
  A sexual hybrid done clear
  B)
  Parasexual hybrid done clear
  C)
  Somatic hybrid done clear
  D)
  Protoplastic hybrid done clear
  View Solution play_arrow

• question_answer44)
  The most likely reason for the development of resistance against pesticides in insects damaging a crop is [CBSE PMT 2004]
  A)
  Directed mutation done clear
  B)
  Acquired heritable changes done clear
  C)
  Random mutations done clear
  D)
  Genetic recombination done clear
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• question_answer45)
  Grain colour in wheat is determined by three pairs if polygenes. Following the cross AABBCC (dark colour) × aabbcc (light colour), in \[{{F}_{2}}\] generation what proportion of the progeny likely to resemble either parent [AIIMS 2005]
  A)
  None done clear
  B)
  Less than 5 per cent done clear
  C)
  One third done clear
  D)
   Half done clear
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