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The extinct stone ancestor, who ate only fruits and hunted with stone weapons was
Biology Class 12th NEET UG NEET UG Preparation
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
Ans → (b)Australophecus
Explanation → Australophecus.
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. 7 of Quiz- (Que-ID : 3425)
Bt Toxin is :
- Intracellular lipid
- Intracellular crystal protein
- Extracellular Crystal protein
- Lipid
Q. 6 of Quiz- (Que-ID : 3524)
Bhopal gas tragedy of 1884 took place because methyl isocyanate reacted with
- DDT
- Ammonia
- CO2
- Water
Q. 1 of Quiz- (Que-ID : 2894)
Ovulation in the human female normally takes place during the menstrual cycle
- at the mind secretory phase
- just before the end of the secretory phase
- at the beginning of the proliferative phase
- at the end of the proliferative phase
Q. 9 of Quiz- (Que-ID : 2902)
In oocyte secondary maturation occurs in
- ovary
- abdominal cavity
- Fallopian tube
- uterus.
Q. 18 of Quiz- (Que-ID : 3061)
Respiratory enzymes are located in
- mitochondrial matrix
- Cristae
- perimitochondrial space
- outer membrane
Q. 2 of Quiz- (Que-ID : 3470)
Soil particle determine the character of
- Organisation
- Biomass
- Area capacity
- Soil plants
Q. 8 of Quiz- (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. 11 of Quiz- (Que-ID : 3129)
Which of the following is true about diffusion?
- There is no expenditure of energy
- Molecules move in Brownian motion
- Substances moves from the region of higher concentration to the region of lower concentration
- Diffusion depends on the type of living system
Q. 9 of Quiz- (Que-ID : 2802)
There are ______ pairs of cranial nerves arising from the brain.
- 8
- 12
- 18
- 25
Q. 15 of Quiz- (Que-ID : 3458)
The shifting of an organism temporarily from the stressful habitat to a more hospitable area and return when stressful period is over is called
- Suspend
- Migrate
- Hibernation
- Aestivation
Q. 5 of Quiz- (Que-ID : 3198)
A.T.S. of a young dicot root can be distinguished from that of a young dicot stem by the presence of
- radial arrangement of xylem and phloem
- collateral arrangement of xylem and phloem
- interfascicular cambium
- intrafascicular cambium
Q. 4 of Quiz- (Que-ID : 3422)
Adjoining of exotic gene in crop is called :
- Genetic Engineering
- Bio architecture
- Tissue culture
- Immunisation
Q. 25 of Quiz- (Que-ID : 2893)
Intensely lactating mothers do not generally conceive due to the
- suppression of gonadotropins
- hypersecretion of gonadotropins
- suppression of gametic transport
- suppression of fertilisation
Q. 16 of Quiz- (Que-ID : 2985)
Which gland remove substances like sterols, hydrocarbons and waxes
- Pineal gland
- Pancreas
- Gall bladder
- Sweat glands
Q. 9 of Quiz- (Que-ID : 3077)
Besides water and CO2, which is more essential a raw material for food formation
- light
- oxygen
- NAD
- mineral salt
Q. 21 of Quiz- (Que-ID : 2689)
What does P wave indicate
- Depolarisation of atria
- repolarisation
- Depolarisation of ventricle
- None of the above
Q. 17 of Quiz- (Que-ID : 3410)
Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from
- Plasmids
- AH prokaryotic cells
- Bacteriophages
- Bacterial cells
Q. 7 of Quiz- (Que-ID : 2850)
During microsporogenesis, meiosis occurs in
- endothecium
- microspore mother cells
- microspore tetrads
- pollen grains
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. 12 of Quiz- (Que-ID : 2980)
Bowman capsule with glomerulus is known as
- Malphigian body
- Renal corpuscle
- Malphigian capsule
- Both b and c
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. 23 of Quiz- (Que-ID : 2666)
Pneumotaxic centre is present in which region of brain
- Medulla
- Hypothalamus
- Pons
- None of the above
Q. 21 of Quiz- (Que-ID : 2664)
which among the following is caused due to decreased respiratory surface area
- Astma
- Emphysema
- Sclerosis
- None of the above
Q. 14 of Quiz- (Que-ID : 3057)
Aleurone layer takes part in
- protection of delicate embryo
- enzyme synthesis
- transfer of food to cotyledons
- transfer of food from cotyledons to embryo tips
Q. 5 of Quiz- (Que-ID : 3423)
Transgenic Bacteria is used in the making of following :
- Epinephrin
- Human Insullin
- Glutanin
- Thyroxin
Q. 24 of Quiz- (Que-ID : 3417)
Transgenic plants are develop by
- Introducing of foreign fenes
- Clone and genetically modified genes
- Genetic engineering
- Purified genes
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. 5 of Quiz- (Que-ID : 3398)
The DNA polymerase enzyme used in PCR is obtained from
- Thermus aquaticus
- Escherichia coli
- Agrobacterium tumefaciens
- Salmonella typhimurium
Q. 21 of Quiz- (Que-ID : 3239)
The aleurone layer in maize grain is especially rich in
- auxins
- proteins
- starch
- lipids
Q. 22 of Quiz- (Que-ID : 3265)
The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the phylum
- Annelida
- Mollusca
- Cnidaria
- Echinodermata
Q. 8 of Quiz- (Que-ID : 3151)
Assertion: Arachidic acid is an unsaturated fatty acid Reason: There are one or more double bonds between carbon atoms in unsaturated fatty acids
- Both Assertion and Reason are true and Reason is the correct explanation of the Assertion
- Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion
- Assertion is true, but Reason is false.
- Both Assertion and Reason are false
Q. 18 of Quiz- (Que-ID : 3111)
Which element is required for opening and closing of stomata?
- P
- K
- Ca
- Na
Q. 25 of Quiz- (Que-ID : 3318)
The extinct stone ancestor, who ate only fruits and hunted with stone weapons was
- Ramapithecus
- Australophecus
- Dryopithecus
- Homo erectus
Q. 20 of Quiz- (Que-ID : 3188)
Which is not a part of reproductive system of female cockroach?
- Phallic gland
- Vestibulum
- Gonapophyses
- Collaterial glands
Q. 16 of Quiz- (Que-ID : 3134)
Cohesion theory of water movement in plants was put forth by
- Henry Dixon
- F. F. Blackman
- Melvin cycle
- Hans. A. Krebs
Q. 1 of Quiz- (Que-ID : 2844)
The anther wall consists of four wall layers where
- tapetum lies just inner to endothecium
- middle layers lie between endothecium and tapetum
- endothecium lies inner to middle layers
- tapetum lies next to epidermis
Q. 12 of Quiz- (Que-ID : 3455)
A stage of suspended development is called
- Diapause
- Suspend
- Migrate
- Aestivation
Q. 10 of Quiz- (Que-ID : 3403)
Restriction’ in Restriction enzyme refers to
- cleaving ofphosphodiester bond in DNA by the enzyme
- cutting of DNA at specific position only
- prevention of the multiplication of bacteriophage in bacteria
- all of the above
Q. 10 of Quiz- (Que-ID : 1587)
The process of breakdown of glycogen to blood glucose is … . .
- Gluconeogenesis
- Glycogenesis
- Thermogenesis
- Glycogenolysis
Q. 16 of Quiz- (Que-ID : 3484)
Kanha National Park is famous for
- For Birds
- For Tendua
- For Tiger
- For Crocodile
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