NEET PRACTICE QUESTIONS
Q1.Among the given groups of characters (d)crossing the dominant with a double
identify the group with recessive characters recessive parent
only
(a)Dwarf,white flower at terminal position Q7.Thymine of DNA is replaced by which
(b)Dwarf,white flower at axial position pyrimidine base in RNA?
(c)Dwarf,violet colour of flower (a)Uracil (b)Cytosine
(d)Smooth and yellow seeds,terminal (c)Thyamine (d)Guanine
flowers Q8.The non-disjunction of 21st pair of
autosomal chromosome leads to
Q2.The synthesis of polynucleotide chain of (a)Sickle cell anaemia (b)Klinefelter’s
mRNA is catalysed by the enzyme _____ syndrome
(a)RNA helicase (b)RNA polymerase (c)Turner’s syndrome (d)Down’s
(c)DNA polymerase (d)DNA helicase syndrome
Q3.Due to the cross between TTRr X ttrr,the Q9.Study the pedigree chart of a family
resultant progenies show what percent of showing the inheritance of myotonic
tall ,red flowered plants ? dystrophy that occurs due to autosomal
(a)50% (b)75% (c)25% dominant trait
(d)100%
Q4.Study the figure given below and find
what is correct for them
Find out the genotypes of members in the
given pedigree
(a)Homologous organs showing convergent I-2 II-3 II-4
evolution (a)aa aa aa
(b)Homologous organs showing divergent (b)Aa aa Aa
evolution (c)aa aa Aa
(c)Analogous organs showing analogy (d)Aa aa aa
(d)Analogous organs showing divergent
evolution Q10.In the figure given below complete the
blanks 1,2,3
Q5.In humans,the possible genotypes for
blood groups are
(a)three (b)six (c)four (d)nine
Q6.Test cross involves (a)1-transcription,2-translation,3-replication
(a)crossing between two dominant traits (b)1-replication,2-translation,3-transcription
(b)crossing between two recessive traits (c)1-translation,2-transcription,3-replication
(c)crossing between two F1 hybrids (d)1-replication,2-transcription,3-translation
, Q11.Wings of butterfly and birds are (c)fertilization of a flower by the pollen
(a)anatomically similar and perform similar from a flower of another plant in the same
function population
(b)show anaology and divergent evolution (d)fertilization of a flower by the pollen
(c)anatomically different and show from a flower of another plant belonging to
convergent evolution a distant population
(d)show homology and divergent evolution
Q18.Which of the following are the
Q12.Incomplete dominance inn case of important floral rewards to the animal
flower color is shown by pollinators?
(a)Pisum sativum (b)Antirrhinum (a)nectar and pollen grains
sp. (b)floral fragrance and calcium crystals
(c)Lathyrus odoratus (d)Neurospora (c)protein pellicle and stigmatic exudates
crassa (d)color and large size flower
Q13.Which of the following laws states
states that during the formation of male and Q19.The hilum is a scar on the
female gametes,the alleles responsible for a (a)fruit,where it was attached to pedicle
particular character get separated? (b)fruit,where style was present
(a)Law of dominance (c)seed,where micropyle was present
(b)Law of independent assortment (d)seed,where funicle was attached
(c)Law of segregation
(d)Law of linkage Q20.Which one of the following may
require pollinators,but is genetically similar
Q14.Multiple allelism is observed in to autogamy?
(a)flower colour in Snapdragon (a)xenogamy (b)apogamy
(b)pod colur in Pisum sativum (c)cleistogamy (d)geitonogamy
(c)haemoglobin in man
(d)ABO blood groups Q21.Which one of the following statements
is not true?
Q15.Non-albuminous seed is produced in (a)tapetum helps in the dehiscence of anther
(a)Maize (b)Castor (b)exine of pollen grains is made up of
(c)Wheat (d)Pea sporopollenin
(c)pollen grains of many species cause
Q16.Function of filiform apparatus is to severe allergies
(a)recognize the suitable pollen at stigma (d)stored pollen in liquid nitrogen can be
(b)stimulate division of generative cell used in the crop breeding programmes
(c)produce nectar
(d)guide the entry of pollen tube Q22.Functional megaspore in an angiosperm
develops into
Q17.Geitonogamy involves: (a)endosperm (b)embryo sac
(a)fertilization of a flower by the pollen (c)embryo (d)ovule
from another flower of the same plant
(b)fertilization of a flower by the pollen Q23.Pollen grains can be stored for several
from the same flower years in liquid nitrogen having temperature
of
Q1.Among the given groups of characters (d)crossing the dominant with a double
identify the group with recessive characters recessive parent
only
(a)Dwarf,white flower at terminal position Q7.Thymine of DNA is replaced by which
(b)Dwarf,white flower at axial position pyrimidine base in RNA?
(c)Dwarf,violet colour of flower (a)Uracil (b)Cytosine
(d)Smooth and yellow seeds,terminal (c)Thyamine (d)Guanine
flowers Q8.The non-disjunction of 21st pair of
autosomal chromosome leads to
Q2.The synthesis of polynucleotide chain of (a)Sickle cell anaemia (b)Klinefelter’s
mRNA is catalysed by the enzyme _____ syndrome
(a)RNA helicase (b)RNA polymerase (c)Turner’s syndrome (d)Down’s
(c)DNA polymerase (d)DNA helicase syndrome
Q3.Due to the cross between TTRr X ttrr,the Q9.Study the pedigree chart of a family
resultant progenies show what percent of showing the inheritance of myotonic
tall ,red flowered plants ? dystrophy that occurs due to autosomal
(a)50% (b)75% (c)25% dominant trait
(d)100%
Q4.Study the figure given below and find
what is correct for them
Find out the genotypes of members in the
given pedigree
(a)Homologous organs showing convergent I-2 II-3 II-4
evolution (a)aa aa aa
(b)Homologous organs showing divergent (b)Aa aa Aa
evolution (c)aa aa Aa
(c)Analogous organs showing analogy (d)Aa aa aa
(d)Analogous organs showing divergent
evolution Q10.In the figure given below complete the
blanks 1,2,3
Q5.In humans,the possible genotypes for
blood groups are
(a)three (b)six (c)four (d)nine
Q6.Test cross involves (a)1-transcription,2-translation,3-replication
(a)crossing between two dominant traits (b)1-replication,2-translation,3-transcription
(b)crossing between two recessive traits (c)1-translation,2-transcription,3-replication
(c)crossing between two F1 hybrids (d)1-replication,2-transcription,3-translation
, Q11.Wings of butterfly and birds are (c)fertilization of a flower by the pollen
(a)anatomically similar and perform similar from a flower of another plant in the same
function population
(b)show anaology and divergent evolution (d)fertilization of a flower by the pollen
(c)anatomically different and show from a flower of another plant belonging to
convergent evolution a distant population
(d)show homology and divergent evolution
Q18.Which of the following are the
Q12.Incomplete dominance inn case of important floral rewards to the animal
flower color is shown by pollinators?
(a)Pisum sativum (b)Antirrhinum (a)nectar and pollen grains
sp. (b)floral fragrance and calcium crystals
(c)Lathyrus odoratus (d)Neurospora (c)protein pellicle and stigmatic exudates
crassa (d)color and large size flower
Q13.Which of the following laws states
states that during the formation of male and Q19.The hilum is a scar on the
female gametes,the alleles responsible for a (a)fruit,where it was attached to pedicle
particular character get separated? (b)fruit,where style was present
(a)Law of dominance (c)seed,where micropyle was present
(b)Law of independent assortment (d)seed,where funicle was attached
(c)Law of segregation
(d)Law of linkage Q20.Which one of the following may
require pollinators,but is genetically similar
Q14.Multiple allelism is observed in to autogamy?
(a)flower colour in Snapdragon (a)xenogamy (b)apogamy
(b)pod colur in Pisum sativum (c)cleistogamy (d)geitonogamy
(c)haemoglobin in man
(d)ABO blood groups Q21.Which one of the following statements
is not true?
Q15.Non-albuminous seed is produced in (a)tapetum helps in the dehiscence of anther
(a)Maize (b)Castor (b)exine of pollen grains is made up of
(c)Wheat (d)Pea sporopollenin
(c)pollen grains of many species cause
Q16.Function of filiform apparatus is to severe allergies
(a)recognize the suitable pollen at stigma (d)stored pollen in liquid nitrogen can be
(b)stimulate division of generative cell used in the crop breeding programmes
(c)produce nectar
(d)guide the entry of pollen tube Q22.Functional megaspore in an angiosperm
develops into
Q17.Geitonogamy involves: (a)endosperm (b)embryo sac
(a)fertilization of a flower by the pollen (c)embryo (d)ovule
from another flower of the same plant
(b)fertilization of a flower by the pollen Q23.Pollen grains can be stored for several
from the same flower years in liquid nitrogen having temperature
of
