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Number of autosomes present in liver cells of a human female is
Biology Botany Class 12th NEET UG NEET UG Preparation
Q. 9 of Quiz-1437 (Que-ID : 2927)
Number of autosomes present in liver cells of a human female is
- 22 autosomes
- 22 pairs
- 23 autosomes
- 23 pairs
Ans → (b)22 pairs
Explanation → autosomes present in liver cells of a human female is 22 pairs
This question is taken from this post → Principles of Inheritance and Variations (Class 12th - Biology) Revision Test | MCQs For NEET - attemp/practice
More MCQs in - Principles of Inheritance and Variations (Class 12th - Biology) Revision Test | MCQs For NEET
Q. 1 of Quiz-1437 (Que-ID : 2919)
A recessive allele is expressed in
- heterozygous condition only
- homozygous condition only
- F3 generation
- both homozygous and heterozygous conditions.
Q. 2 of Quiz-1437 (Que-ID : 2920)
The characters which appear in the first filial generation are called
- recessive characters
- dominant characters
- holandric characters
- lethal characters
Q. 3 of Quiz-1437 (Que-ID : 2921)
What will be the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus ?
- 3:01
- 1:02:01
- 1:01
- None of the above
Q. 4 of Quiz-1437 (Que-ID : 2922)
In a monohybrid cross between two heterozygous individuals, percentage of pure homozygous individuals obtained in F1 generation will be
- 25%
- 50%
- 75%
- 100%
Q. 5 of Quiz-1437 (Que-ID : 2923)
What is the probability of production of dwarf offsprings in a cross betweeen two heterozygous tall pea plants ?
- Zero
- 50%
- 25%
- 100%
Q. 6 of Quiz-1437 (Que-ID : 2924)
Which of the following crosses will give tall and dwarf pea plants in same proportions ?
- TT × tt
- Tt × tt
- TT × Tt
- tt × tt
Q. 7 of Quiz-1437 (Que-ID : 2925)
Which of the following is incorrect regarding ZW – ZZ type of sex determination ?
- It occurs in birds and some reptiles.
- Females are homogametic and males are heterogametic.
- 1:1 sex ratio is produced in the offsprings
- All of these
Q. 8 of Quiz-1437 (Que-ID : 2926)
A couple has six daughters. What is the possibility of their having a girl next time ?
- 10%
- 50%
- 90%
- 100%
Q. 9 of Quiz-1437 (Que-ID : 2927)
Number of autosomes present in liver cells of a human female is
- 22 autosomes
- 22 pairs
- 23 autosomes
- 23 pairs
Q. 10 of Quiz-1437 (Que-ID : 2928)
Haplodiploidy is found in
- grasshoppers and cockroaches
- birds and reptiles
- butterflies and moths
- honeybees, ants and waspe.
Q. 11 of Quiz-1437 (Que-ID : 2929)
Rate of mutation is affected by
- temperature
- X rays
- gamma rays
- all of these
Q. 12 of Quiz-1437 (Que-ID : 2930)
Two or more independent genes present on different chromosomes which determine nearly same phenotype are called
- supplementary genes
- complementary genes
- duplicate genes
- none of these
Q. 13 of Quiz-1437 (Que-ID : 2931)
Select the incorrect statement regarding pedigree analysis
- Solid symbols show unaffected individuals
- Proband is the person from which case history starts
- It is useful for genetic counsellors
- It is an analysis of traits in several generations of a family
Q. 14 of Quiz-1437 (Que-ID : 2932)
To determine the genotype of a tall plant of F2 generation, Mendel crossed this plant with a dwarf plant. This cross represents a
- test cross
- back cross
- reciprocal cross
- dihybrid cross
Q. 15 of Quiz-1437 (Que-ID : 2933)
Mendal formulated the law of purity of gametes on the basis of
- monohybrid cross
- dihybrid cross
- test cross
- back cross
Q. 16 of Quiz-1437 (Que-ID : 2934)
The inheritance of flower colour in Antirrhinum (dog flower) is an example of
- incomplete dominance
- co-dominance
- multiple alleles
- linkage
Q. 17 of Quiz-1437 (Que-ID : 2935)
Phenotypic and genotypic ratio is similar in case of
- complete dominance
- incomplete dominance
- over dominance
- epistasis
Q. 18 of Quiz-1437 (Que-ID : 2936)
What can be the blood group of offspring when both parents have AB blood group ?
- AB only
- A, B and AB
- A, B, AB and O
- A and B only
Q. 19 of Quiz-1437 (Que-ID : 2937)
Inheritance of roan coat in cattle is an example of
- incomplete dominance
- codominance
- multiple allelism
- none of these
Q. 20 of Quiz-1437 (Que-ID : 2938)
How many types of gametes can be produced by a diploid organism who is heterozygous for 4 loci ?
- 4
- 8
- 16
- 32
Q. 21 of Quiz-1437 (Que-ID : 2939)
Law of independent assortment can be explained with the help of
- dihybrid
- test cross
- back cross
- monohybrid cross
Q. 22 of Quiz-1437 (Que-ID : 2940)
Which three scientists independently rediscovered Mendel’s work ?
- Avery, McLeod, McCarty
- Sutton, Morgan and Bridges
- Bateson, Punnet and Bridges
- de Vries, Correns and Tschemark
Q. 23 of Quiz-1437 (Que-ID : 2941)
Chromosomal theory of inheritance was given by
- Morgan et al
- Sutton and Boveri
- Hugo deVries
- Gregor J. Mendel
Q. 24 of Quiz-1437 (Que-ID : 2942)
Experimental verification of ‘chromosomal theory of inheritance’ was done by
- Sutton and Boveri
- Morgan et al
- Henking
- Karl Correns
Q. 25 of Quiz-1437 (Que-ID : 2943)
Genes located very close to one another on same chromosome tend to be transmitted together and are called as
- allelomorphs
- identical genes
- linked genes
- recessive genes
More MCQs In - Biology Botany Class 12th NEET UG NEET UG Preparation
Q. 3 of Quiz- (Que-ID : 3521)
Ozone Layer is found in
- Stratosphere
- Lithosphere
- Troposphere
- Hemisphere
Q. 3 of Quiz- (Que-ID : 3271)
In a monoecious plant
- Male and female sex organs are on the same individual
- male and female gametes are of two morphologically distinct types
- Male and female sex organs are on different individuals
- All the stamens are fused to form one unit
Q. 13 of Quiz- (Que-ID : 2956)
To initiate translation, the wiRNA first bind to
- the smaller ribosomal sub-unit
- the larger ribosomal sub-unit
- the whole ribosome
- no such specificity exists
Q. 21 of Quiz- (Que-ID : 3014)
Synapsis occurs between
- A male and female gametes
- Ribosome and m-RNA
- Spindle fibres and centromeres
- Two homologous chromosomes
Q. 8 of Quiz- (Que-ID : 3026)
The stage of rapid cell division just after fertilization is
- Organogenesis
- Cleavage
- Gastrulation
- Growth
Q. 11 of Quiz- (Que-ID : 3504)
Bandipurin Karnataka is the site of project
- Elephant
- Hangul
- Tiger
- Peacock
Q. 10 of Quiz- (Que-ID : 2878)
The correct surgical procedure as a contraceptive method is
- ovariectomy
- hysterectomy
- vasectomy
- castration
Q. 25 of Quiz- (Que-ID : 3018)
The number of chromosome and the amount of DNA are changed in
- Metaphase and M phase
- Anaphase and S phase
- Interphase and S phase
- None of these
Q. 11 of Quiz- (Que-ID : 3404)
The role of DNA ligase in the construction of a recombinant DNA molecule is
- formation of phosphodiester bond between two DNA fragments
- formation of hydrogen bonds between sticky ends of DNA fragments
- ligation of all purine and pyrimidine bases
- none of the above
Q. 20 of Quiz- (Que-ID : 1982)
Gigantism and acromegaly result from hypersecretion of-
- ADH
- GH
- STH
- None of the above
Q. 18 of Quiz- (Que-ID : 2861)
Plants with ovaries having only one or a few ovules are generally pollinated by
- bees
- Butterflies
- birds
- Wind
Q. 2 of Quiz- (Que-ID : 1412)
Disease caused by Bordetella pertussis-
- Diphtheria
- Tuberculosis
- Chickenpox
- Whooping cough
Q. 25 of Quiz- (Que-ID : 2943)
Genes located very close to one another on same chromosome tend to be transmitted together and are called as
- allelomorphs
- identical genes
- linked genes
- recessive genes
Q. 12 of Quiz- (Que-ID : 2855)
Indentify the wrong statement regarding post-fertilisation development
- The ovary wall develops into pericarp.
- The outer integument of ovule develops into tegmen
- The fusion nucleus (triple nucleus) develops into endosperm.
- The ovule develops into seed.
Q. 3 of Quiz- (Que-ID : 3296)
The presence of gill slits, in the embryos of vertebrates, supports the theory of
- metamorphosis
- biogenesis
- organic evolution
- recapitulation
Q. 11 of Quiz- (Que-ID : 3329)
Humoral immunity is associated with
- T-cells
- B-cells
- macrophages
- both (a) and (b)
Q. 8 of Quiz- (Que-ID : 2801)
At a neuromuscular junction, synaptic vesicles discharge ______.
- Acetylcholine
- Epinephrine
- Adrenaline
- None of these
Q. 18 of Quiz- (Que-ID : 2936)
What can be the blood group of offspring when both parents have AB blood group ?
- AB only
- A, B and AB
- A, B, AB and O
- A and B only
Q. 1 of Quiz- (Que-ID : 3494)
log S = log C + Z log A In the given equation of species-area relationship, the value of regression coefficient for a whole continent, would be
- 0.1-0.2
- 0.5-0.7
- 0.6-1.2
- 0.3-0.5
Q. 15 of Quiz- (Que-ID : 2958)
In DNA strand, the nucleotides are linked together by
- glycosidic bonds
- phosphodiester bonds
- peptide bonds
- hydrogen bonds
Q. 20 of Quiz- (Que-ID : 2688)
What is first name of heart sound
- Dubb
- Lubb
- Both a and b
- None of the above
Q. 22 of Quiz- (Que-ID : 3090)
In the half-leaf experiment of photosynthesis, KOH solution is used because
- It provides O2 to the leaf.
- It provides moisture to the leaf.
- t helps in CO2 fixation
- It absorbs CO2
Q. 16 of Quiz- (Que-ID : 3359)
Multiple ovulation embryo transfer technology is related to
- transfer of super embryo
- transfer of super eggs
- super ovulation and embryo transfer
- both (a) and (b)
Q. 24 of Quiz- (Que-ID : 3542)
The petrol used in engines filled with catalytic converter should be
- Simple petrol
- Any type of petrol
- Unleaded petrol
- None of the above
Directions :
Q. 20 of Quiz- (Que-ID : 3363)Which of the following plays a role in indigenous system of medicine ?
- Plant breeding
- Fisheries
- Apiculture
- MOET
Q. 22 of Quiz- (Que-ID : 3115)
Biological nitrogen fixation was discovered by
- Gericke
- Nehar and Sakmann
- Liebig
- Winograndsky
Q. 9 of Quiz- (Que-ID : 2852)
Embryo sac is to ovule as _______ is to an anther.
- Stamen
- filament
- pollen grain
- androecium
Q. 15 of Quiz- (Que-ID : 3283)
Ribbon shaped chloroplasts occur in
- Ulothrix
- Spirogyra
- Chlamydomonas
- Riccia
Q. 24 of Quiz- (Que-ID : 3142)
Munch hypothesis is based on
- Translocation of food due to turgor pressure gradient and imbibition force
- Translocation of food due to turgor pressure gradient
- Translocation of food due to imbibition force
- None of the above
Q. 22 of Quiz- (Que-ID : 3290)
An evolutionary characteristic is found in selaginella:
- Presence of ligule
- Heterophilly habits
- Sporangia present in cone
- Heterospory
Q. 21 of Quiz- (Que-ID : 2864)
Even in absence of pollinating agents seed-setting is assured in
- Commelina
- Zostera
- Salvia
- Fig
Q. 8 of Quiz- (Que-ID : 2851)
The outermost and innermost wall layers of microsporangium in an anther are respectively
- endothecium and tapetum
- epidermis and endodermis
- epidermis and middle layer
- epidermis and tapetum.
Q. 18 of Quiz- (Que-ID : 2861)
Plants with ovaries having only one or a few ovules are generally pollinated by
- bees
- Butterflies
- birds
- Wind
Q. 24 of Quiz- (Que-ID : 3342)
Which of the following is affected by the infection of Wuchereria bancrofti ?
- Lymphatic vessels
- Respiratory system
- Nervous system
- Blood circulation
Q. 16 of Quiz- (Que-ID : 3234)
The arrangement of sepals or petals in floral bud is called
- Placentation
- Aestivation
- Bracteate
- Phyllotaxy
Q. 2 of Quiz- (Que-ID : 2720)
Which groups holds max nutritional diversity
- monera
- Plantae
- Fungi
- Anamalia
Q. 23 of Quiz- (Que-ID : 2966)
They year 2003 was celebrated as the 50th anniversary of discovery of
- transposons by Barbare Me Clintock
- structure of DNA by Watson and Crick
- Mendel’s laws of inheritance
- biotechnology by Kary Muliis.
Q. 6 of Quiz- (Que-ID : 3099)
Manganese toxicity leads to deficiency of
- iron
- calcium
- magnesium
- all of the above
Q. 17 of Quiz- (Que-ID : 2960)
If the sequence of bases in one strand of DNA is ATGCATGCA, what would be the sequence of bases on complementary strand ?
- ATGCATGCA
- AUGCAUGCA
- TACTACGT
- UACGUACGU
Q. 7 of Quiz- (Que-ID : 3250)
Which of the following statement is correct?
- Platypus lays eggs
- Camels have biconcave RBCs
- Whales respire by gills
- Bats do not fly
Q. 20 of Quiz- (Que-ID : 3063)
One molecule of glucose yields ___ ATP molecules in aerobic respiration.
- 2
- 16
- 38
- 42
Q. 22 of Quiz- (Que-ID : 3515)
Which group of vertebrates comprises the highest number of endangered species?
- Fishes
- Reptiles
- Birds
- Mammals
Q. 16 of Quiz- (Que-ID : 2934)
The inheritance of flower colour in Antirrhinum (dog flower) is an example of
- incomplete dominance
- co-dominance
- multiple alleles
- linkage
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