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Phenomenon of ‘industrial melanism’ demonstrates
Biology Class 12th NEET UG NEET UG Preparation
Q. 18 of Quiz-1453 (Que-ID : 3311)
Phenomenon of ‘industrial melanism’ demonstrates
- geographical isolation
- reproductive isolation
- natural selection
- induced mutation
Ans → (c)natural selection
Explanation → phenomenon of ‘industrial melanism’ demonstrates natural selection
This question is taken from this post → Evolution : class 12th biology practice test | MCQs for NEET - attemp/practice
More MCQs in - Evolution : class 12th biology practice test | MCQs for NEET
Q. 1 of Quiz-1453 (Que-ID : 3294)
Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution ?
- Development of transgenic animals
- Production of “Dolly’, the sheep by cloning
- Prevalence of pesticide resistant insects
- Development of organs from ‘stem cells’ for organ transplantation.
Q. 2 of Quiz-1453 (Que-ID : 3295)
The phenomenon ‘ontogeny repeats phylogeny’ is explained by
- recapitualtion theory
- Inheritcance theory
- mutation theory
- natural selection theory.
Q. 3 of Quiz-1453 (Que-ID : 3296)
The presence of gill slits, in the embryos of vertebrates, supports the theory of
- metamorphosis
- biogenesis
- organic evolution
- recapitulation
Q. 4 of Quiz-1453 (Que-ID : 3297)
Which is not a vestigial organ in man ?
- Nictitating membrane
- Tail vertebrae
- Vermiform appendix
- Nails
Q. 5 of Quiz-1453 (Que-ID : 3298)
Which one is not a vestigia organ ?
- Wings of kiwi
- Coccyx in man
- Pelvic girdle of python
- Flipper of seal
Q. 6 of Quiz-1453 (Que-ID : 3299)
By the statement ‘survival of the fittest’, Darwin meant that
- the strongest of all species survives
- the most intelligent of the species survives
- the cleverest of the species survives
- the species most adaptable to changes survives.
Q. 7 of Quiz-1453 (Que-ID : 3300)
Which of the following are the two key concepts of Darwinian theory of evolution ?
- Genetic drift and mutation
- Adaptive radiation and homology
- Mutation and natural selection
- Branching descent and natural selection
Q. 8 of Quiz-1453 (Que-ID : 3301)
According to Lamarckism, long necked giraffes evolved because
- nature selected only long necked ones
- humans preferred only long necked ones
- short necks suddenly changed into long necks
- of stretching of necks over many generations by short necked ones.
Q. 9 of Quiz-1453 (Que-ID : 3302)
Which of the following evidences does not favour the Lamarckian concept of inheritance of acquired characters ?
- Lack of pigment in cave-dwelling animlas
- Melanisation in peppered moth
- Absence of limbs in snakes
- Presence of webbed toes in aquatic birds
Q. 10 of Quiz-1453 (Que-ID : 3303)
“Human population grows in geometric ratio while food materials increase in arithmetic proportion”. It is a statement from
- Darwin
- Bateson
- AmartyaSen
- Malthus.
Q. 11 of Quiz-1453 (Que-ID : 3304)
Which one of the following scientist’s name is correctly matched with the theory put forth by him ?
- de Vries – Theory of natural selection
- Darwin – Theory of pangenesis
- Weismann – Theory of continuity of germplasm
- Pasteur – Theory of inheritance of acquired charcters
Q. 12 of Quiz-1453 (Que-ID : 3305)
Single step large mutation leading to speciation is also called
- founder effect
- saltation
- branching descent
- natural selection
Q. 13 of Quiz-1453 (Que-ID : 3306)
Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift mutation, genetic recombination and
- evolution
- limiting facrtors
- saltation
- natural selection
Q. 14 of Quiz-1453 (Que-ID : 3307)
The Hardy-Weinberg principle cannot operate if
- a population does not migrate for a longtime to a new habitat
- frequent mutations occur in the population
- the population has no chance of interaction with other populations
- free interbreeding occurs among all members of the population
Q. 15 of Quiz-1453 (Que-ID : 3308)
Genetic drift operates only in
- larger populations
- Mendelian populations
- island populations
- smaller populations.
Q. 16 of Quiz-1453 (Que-ID : 3309)
Which of the following statements is True ?
- Wings to birds and insects are homologous organs.
- Human hands and bird’s wings are analogous organs
- Human hands and bat’s wings are analogous organs.
- Flipper of penguin and dolphin are analogous organs
Q. 17 of Quiz-1453 (Que-ID : 3310)
Replacement of the lighter-coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonaria) in England is the example of
- natural selection
- regeneration
- genetic isolation
- temporal isolation
Q. 18 of Quiz-1453 (Que-ID : 3311)
Phenomenon of ‘industrial melanism’ demonstrates
- geographical isolation
- reproductive isolation
- natural selection
- induced mutation
Q. 19 of Quiz-1453 (Que-ID : 3312)
presence of gills in the tadpole of frog indicated that
- fishes were amphibious in the past
- fishes evolved from frog-like ancestors
- frogs will have gills in future
- frogs evolved from gilled ancestors
Q. 20 of Quiz-1453 (Que-ID : 3313)
The character that proves that frogs have evolved from fishes is
- their ability to swim in water
- tadpole larva in frogs
- similarity in the shape of the head
- their feeding on aquatic plants
Q. 21 of Quiz-1453 (Que-ID : 3314)
Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution ?
- Cenozoic, Mesozoic, Palaeozoic, Proterozoic
- Cenozoic, Palaeozoic, Mesozoic, Proterozoic
- Proterozoic, Cenozoic, Palaezoic, Mesozoic
- Proterozoic, Palaeozoic, Mesozoic, Cenozoic
Q. 22 of Quiz-1453 (Que-ID : 3315)
The ‘Devonian period’ is considered to be as
- age of fishes
- age of amphibians
- age of reptiles
- age of mammals
Q. 23 of Quiz-1453 (Que-ID : 3316)
Amphibians were dominant during _______ period.
- Carboniferous
- Silurian
- Ordovician
- Cambrian
Q. 24 of Quiz-1453 (Que-ID : 3317)
The primate which existed 15 mya was
- Homo habilis
- Australopithecus
- Ramapithecus
- Homo erectus
Q. 25 of Quiz-1453 (Que-ID : 3318)
The extinct stone ancestor, who ate only fruits and hunted with stone weapons was
- Ramapithecus
- Australophecus
- Dryopithecus
- Homo erectus
More MCQs In - Biology Class 12th NEET UG NEET UG Preparation
Q. 5 of Quiz- (Que-ID : 3423)
Transgenic Bacteria is used in the making of following :
- Epinephrin
- Human Insullin
- Glutanin
- Thyroxin
Q. 8 of Quiz- (Que-ID : 2676)
Which among the following WBC secrete histamine, serotonin,heparin
- Eosinophil
- Neutrophil
- Basophil
- None of the above
Q. 13 of Quiz- (Que-ID : 3531)
Minimata disease is caused by
- ByChromium
- By Cadmium
- By Methyl mercury
- By Radioactive elements
Q. 10 of Quiz- (Que-ID : 3353)
Which of the following is an example of a cross-breed ?
- Mule
- Hilsa
- Hisardale
- Sahiwal
Q. 9 of Quiz- (Que-ID : 2777)
A system which gets a continuous flow of energy
- Micro propagated system
- Closed system
- Open system
- Steady system
Q. 12 of Quiz- (Que-ID : 2680)
Which enzyme converts prothrombin into thrombin
- Thrombin
- Thrombokinase
- Pepcase
- Ligase
Q. 16 of Quiz- (Que-ID : 3309)
Which of the following statements is True ?
- Wings to birds and insects are homologous organs.
- Human hands and bird’s wings are analogous organs
- Human hands and bat’s wings are analogous organs.
- Flipper of penguin and dolphin are analogous organs
Q. 23 of Quiz- (Que-ID : 3041)
Formation of seedless fruit without act of fertilisation
- Parthenocarpy
- pseudocarpy
- Apomixis
- Parthenogenesis
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. 21 of Quiz- (Que-ID : 2939)
Law of independent assortment can be explained with the help of
- dihybrid
- test cross
- back cross
- monohybrid cross
Q. 20 of Quiz- (Que-ID : 3263)
Order Rhynchocephalia consists of
- Tuataras
- Lizards and snakes
- Turtles and tortoises
- Crocodiles, alligators, caimans
Q. 9 of Quiz- (Que-ID : 3027)
Which one of the followings is a gaseous plant hormone?
- Ethylene
- Gibberellin
- IAA
- Abscisic acid
Q. 8 of Quiz- (Que-ID : 2826)
If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?
- 190
- 380
- 95
- 760
Q. 16 of Quiz- (Que-ID : 2784)
Two taxonomic species are distinguished by
- Their failure to interbreed
- Their ability to exchange gene freely
- Their similarity in morphological characters
- Discontinuity in a set of correlated characters
Q. 1 of Quiz- (Que-ID : 3394)
Biolistics (gene gun) is suitable for
- introducing rDNA into plant cells
- introducing rDNA into animal cells
- disarming the pathogen vectors
- DNA fingerprinting.
Q. 4 of Quiz- (Que-ID : 3122)
Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be
- No movement of water
- Movement of water from cell B to A
- Movement of water from cell A to B
- Equilibrium between the two
Q. 14 of Quiz- (Que-ID : 2907)
Bartholin’s glands are situated
- on the either side of vagina in humans
- on either side of vas deferens in humans
- on either side of penis in humans
- on either side of Fallopian tube in humans
Q. 9 of Quiz- (Que-ID : 2852)
Embryo sac is to ovule as _______ is to an anther.
- Stamen
- filament
- pollen grain
- androecium
Q. 8 of Quiz- (Que-ID : 3476)
Small extremite animals of tropical region
- Allen’s law
- Bergmen’s law
- Dollo’s law
- Cope’s law
Q. 17 of Quiz- (Que-ID : 3235)
The term phyllotaxy is used to describe the
- type of ovary in a plant
- mode of arrangement of leaves
- type of roots
- arrangement of sepals and petals
Q. 14 of Quiz- (Que-ID : 2732)
Heterocyst in nostoc participates in
- Nitrogen fixation
- Fragmentation
- Fruit storage
- Symbiotic relation
Q. 12 of Quiz- (Que-ID : 3030)
Plants grow throughout their life due to
- presence of meristems
- presence of vascular cambium
- presence of xylem and phloem
- presence of tracheids
Q. 11 of Quiz- (Que-ID : 3329)
Humoral immunity is associated with
- T-cells
- B-cells
- macrophages
- both (a) and (b)
Q. 7 of Quiz- (Que-ID : 3525)
Chlorofluoro carbon are responsible for
- Acid rain
- Ozone layer depletion
- Global warming
- Thermal inversion
Q. 21 of Quiz- (Que-ID : 3264)
One of the following are not formed in mosquito
- Sporozoites
- Ookinetes
- Oocystes
- Merozoites
Q. 11 of Quiz- (Que-ID : 3304)
Which one of the following scientist’s name is correctly matched with the theory put forth by him ?
- de Vries – Theory of natural selection
- Darwin – Theory of pangenesis
- Weismann – Theory of continuity of germplasm
- Pasteur – Theory of inheritance of acquired charcters
Q. 3 of Quiz- (Que-ID : 2896)
Immediately after ovulation, the mammalian egg is covered by a membrane known as
- chorion
- zona pellucida
- corona radiata
- vitelline membrane.
Q. 9 of Quiz- (Que-ID : 3202)
Stem grows in girth due to
- outer cortical
- epidermis
- vascular cambium
- phellogen
Q. 22 of Quiz- (Que-ID : 3140)
Proteins that form huge pores in the membrane of the certain organelles and bacteria are called as
- Porins
- Pressure gradient
- Enzymes
- Flaccid
Q. 21 of Quiz- (Que-ID : 3089)
During photochemical reaction of photosynthesis–
- liberation of O2 takes place
- Formation of ATP and NADPH2 take place
- Liberation of O2, formation of ATP, and NADPH2 takes place
- Assimilation of CO2 takes place
Q. 16 of Quiz- (Que-ID : 3484)
Kanha National Park is famous for
- For Birds
- For Tendua
- For Tiger
- For Crocodile
Q. 2 of Quiz- (Que-ID : 3445)
The size of the population tells us a lot about its status in the
- Environment
- Sex-ratio
- Age pyramid
- Habitat
Q. 22 of Quiz- (Que-ID : 3540)
The agents that bring undesirable changes in the environment arc called
- Pollution
- Fragments
- Pollutants
- None of the above
Q. 4 of Quiz- (Que-ID : 3372)
Organic farming includes
- use of fertilisers and pesticides of biological origin
- IPM (Integrated Pest Management)
- locally developed pest resistant varieties
- all of these
Q. 14 of Quiz- (Que-ID : 3182)
Spot the salivary gland in the following :
- sublingual
- adrenal
- Brunners
- lacrimal
Q. 6 of Quiz- (Que-ID : 2849)
From among the sets of terms given below, identify those that are associated with the gynoecium
- Stigma, ovule, embryo sac, placenta
- Thalamus, pistil, style, ovule
- Ovule, ovary, embryo sac, tapetum
- Ovule, stamen, ovary, embryo sac
Q. 5 of Quiz- (Que-ID : 3123)
Which of the following is decreased during increase in humidity in the atmosphere?
- Transpiration
- Photosynthesis
- Respiration
- Glycolysis
Q. 25 of Quiz- (Que-ID : 3268)
Which one of the following groups of animals is bilaterally symmetrical and triploblastic
- Aschelminthes (round worms)
- Ctenophores
- Sponges
- Coelenterates (Cnidarians)
Q. 2 of Quiz- (Que-ID : 2870)
Cu ions released from copper releasing intrauterine devices (IUDs)
- prevent ovulation
- make uterus unsuitable for implantation
- decrease phagocytosis of sperms
- suppress sperm motility
Q. 10 of Quiz- (Que-ID : 3103)
Which one of the following mineral elements plays an in biological nitrogen fixation?
- Copper
- Manganese
- Zinc
- Molybdenum
Q. 2 of Quiz- (Que-ID : 2970)
Which among the following is not ureotelic
- Mammal
- Aquatic insect
- Terrestrial amphibian
- Marine fishes
Q. 10 of Quiz- (Que-ID : 3078)
In actively gro – wing young plants, the best data for estimating the rate of photosynthesis would be
- ratio of oxygen evolved to carbon dioxide absorbed
- increase in fresh weight
- increase in dry weight
- increase in carbohydrate
Q. 2 of Quiz- (Que-ID : 3070)
The end product of the Calvin cycle is ______.
- RuBP
- PGAL
- PGA
- ADP + NADP
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