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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. 18 of Quiz- (Que-ID : 2761)
Testorone is produced by
- Leydigs cell
- Pituitary gland
- Both a and b
- Non of the above
Q. 25 of Quiz- (Que-ID : 3418)
Transgenic plants are develop by
- Introducing of foreign fenes
- Clone and genetically modified genes
- Genetic engineering
- Purified genes
Q. 11 of Quiz- (Que-ID : 3204)
Pith is very well developed in
- monocot root and monocot stem
- monocot root and dicot root
- dicot root and monocot stem
- monocot root and dicot stem
Q. 19 of Quiz- (Que-ID : 2787)
Identify the incorrect match.
- Physiology ? Study of functions and processes of life
- Pedology ? Soil science
- Limnology ? Study of fresh water
- Kinesiology ? Fossil study
Q. 3 of Quiz- (Que-ID : 3021)
Cells of fibers and tracheids elongate during
- Phase of cell division
- Phase of cell elongation
- Phase of cell maturation
- Phase of cell differentiation
Q. 15 of Quiz- (Que-ID : 2733)
Whittakers definition of classification does not include
- Algae
- Protista
- Plantae
- mychota
Q. 9 of Quiz- (Que-ID : 3102)
Mineral salts which are absorbed by the roots from soil are in the form of
- Dilute solution
- Very concentrated solution
- Concentrated solution
- Very dilute solution
Q. 10 of Quiz- (Que-ID : 3028)
To prevent over – ripening, bananas should be
- given a dip in ascorbic acid
- maintained at room temperature
- refrigerated
- stored at the top of refrigerator
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. 7 of Quiz- (Que-ID : 3275)
Which of the following plants is used extensively for the study of photosynthesis?
- Amaranthus
- Asparagus
- Chlorella
- Sunflower
Q. 2 of Quiz- (Que-ID : 1964)
The exchange of gases in the alveoli of the lungs takes place by-
- Simple diffusion
- Osmosis
- Passive transport
- Active transport
Q. 14 of Quiz- (Que-ID : 2832)
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
- nodes are shorter than intemodes
- nodes have meristematic cells
- nodes are located near the soil
- nodes have non-photosynthetic cells.
Q. 8 of Quiz- (Que-ID : 3176)
Which membrane protects the eyes of frog in water?
- Tympanum
- Skin
- Sebaceous
- Nictitating
Q. 20 of Quiz- (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. 19 of Quiz- (Que-ID : 3012)
The stage in which daughter chromosomes move toward the poles of the spindle is
- Anaphase
- Metaphase
- Prophase
- Telophase
Q. 13 of Quiz- (Que-ID : 3056)
Which of the following acts as mobile carrier for transfer of electrons between complex III and complex IV?
- Cytochrome c
- cytochrome a3
- cytochrome a
- FADH2
Q. 16 of Quiz- (Que-ID : 2985)
Which gland remove substances like sterols, hydrocarbons and waxes
- Pineal gland
- Pancreas
- Gall bladder
- Sweat glands
Q. 15 of Quiz- (Que-ID : 3008)
Which of the following cellular structures always disappears during mitosis and meiosis?
- Plasma membrane
- Nucleolus and nuclear envelope
- Plastids
- none of these
Q. 25 of Quiz- (Que-ID : 3443)
Bacillus thruingiensis (Bt) strains have been used for designing nobel:
- Biofertilizers
- Biometallurgical techniques
- Biomineralization processes
- Bioinsecticidal plants
Q. 8 of Quiz- (Que-ID : 2901)
Which part of the sperm plays an important role in penetrating the egg membrane ?
- Allosome
- Tail
- Autosome
- Acrosome
Q. 17 of Quiz- (Que-ID : 2885)
Which of the following is correct regarding the consequences of lower population ?
- It increases the poverty of a country
- It leads to shortage of food supply
- It results in unemployment
- All of these
Q. 11 of Quiz- (Que-ID : 3179)
The ciliated epithelium in our body may be found in
- trachea
- ureter
- bile duct
- intestines
Q. 5 of Quiz- (Que-ID : 2998)
Karyokinesis is the term used for
- division of cytoplasm
- division of nucleoplasm
- division of nucleus
- separation of daughter chromosomes
Q. 7 of Quiz- (Que-ID : 2725)
In which form fungi store food material
- Lipid
- Starch
- Oil and glycogen
- Protein
Q. 3 of Quiz- (Que-ID : 2616)
Where is paratoid salivary gland is situated
- Lower jaw
- Below tongue
- Upper jaw
- Cheek
Q. 22 of Quiz- (Que-ID : 3240)
Spinous xerophytic herb belonging to solanceae is
- Solanum tuberosum
- S. nigrum
- S. xanthocarpum
- S. melongena
Q. 2 of Quiz- (Que-ID : 3420)
By means of following Trans gene expression obtained:
- Inhibition of a Innate gene
- An occured Biosynthetic passway develop
- A protein occured with genotype expressed his desired
- None of the above
Q. 4 of Quiz- (Que-ID : 3422)
Adjoining of exotic gene in crop is called :
- Genetic Engineering
- Bio architecture
- Tissue culture
- Immunisation
Q. 12 of Quiz- (Que-ID : 3230)
Srem modified to perform the function of a leaf and having many internodes is called as
- phylloclade
- cladode
- offset
- phyllode
Q. 2 of Quiz- (Que-ID : 2745)
Secretin cause stimulation of
- Bile juice
- Water
- Gastric secretion
- Pepsinogen
Q. 1 of Quiz- (Que-ID : 3369)
Integrated Pest Management (IPM) discourages the excessive used of
- biological methods
- chemical pesticides
- mechanical methods
- all of these
Q. 9 of Quiz- (Que-ID : 3027)
Which one of the followings is a gaseous plant hormone?
- Ethylene
- Gibberellin
- IAA
- Abscisic acid
Q. 9 of Quiz- (Que-ID : 3527)
Nutrient enrichment of water bodies causes
- Stratification
- Eutrophication
- Succession
- None of these
Q. 8 of Quiz- (Que-ID : 3376)
Which one of the following can be used as biofertiliser in cotton field ?
- Azolla-Anabaena
- Streptococcus
- Azospirillum
- Azotobacter chroococcum
Q. 15 of Quiz- (Que-ID : 3108)
Phytotron is meant for
- Controlled humidity
- Induction of mutations
- Controlled irradiation
- Growing plants under controlled environment
Q. 25 of Quiz- (Que-ID : 3418)
Transgenic plants are develop by
- Introducing of foreign fenes
- Clone and genetically modified genes
- Genetic engineering
- Purified genes
Q. 1 of Quiz- (Que-ID : 3419)
Desired properties of plants and Animals are possible by which reproduction?
- Genetic Engineering
- Chromosomal Engineering
- Ekabana technology
- Bonsai technology
Q. 4 of Quiz- (Que-ID : 3172)
Choose the incorrect statement.
- Vascular system of frog is closed type.
- Frogs have 4-chambered heart.
- During aestivation and hibernation, skin acts as respiratory organ.
- All the statements are correct
Q. 25 of Quiz- (Que-ID : 2918)
At what stage of life is oogenesis initiated in a human female ?
- At puberty
- During menarch
- During menopause
- During embryonic development
Q. 15 of Quiz- (Que-ID : 3383)
The purpose of biological treatment of waste water is to
- reduce BOD
- increase BOD
- reduce sedimentation
- increase sedimentation
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. 21 of Quiz- (Que-ID : 3514)
in your opinion, which is the most effective way to conserve the plant diversity of an area?
- By creating Biosphere reserve
- By creating Botanical gardens
- By developing seed banks
- By tissue culture method
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. 17 of Quiz- (Que-ID : 2810)
Which layer is in contact with brain tissues?
- Piamater
- Arachnoid
- Duramater
- Piamater and Arachnoid
Q. 20 of Quiz- (Que-ID : 3138)
Assertion (A): K+ ion accumulation found in Nitella depends on its respiratory activity. Reason (R)Absorption of all ions in plants completely depends on the usage of metabolic energy. The correct answer is
- A and R are true and R is the correct explanation of A
- A and R are true but R is not the correct explanation of A
- A is true but R is false
- A is false but R is true
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. 12 of Quiz- (Que-ID : 3380)
Statins used for lowering blood cholesterol level are extracted from
- algae
- bacteria
- viruses
- yeast
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