quick revision questions biology
Qus 1.Nephrons is the functional unit of -
1. Heart
2. Lungs
3. Brain
4. Kidney
4
Qus 2.Himoglobin is dissolved in the blood plasma of-
a) frog
b) Rabbit
c) cockroach
d) earthworm
D
a) Extra sex chromosome
b) Extra 21st chromosome
c) Extra Y-chromosome
d) Deficient sex chromosome
2
Qus 4.First antibiotic isolated was
a) Neomycin
b) Terramycin
c) Streptomycin
d) Penicillin
d
Qus 5.70s ribosomes occur in-
A. Mitochondria
B. Chloroplast
C. Bacteria.
D. All the above
d
Qus 6. Cell membranes contain branched chain lipids in
a) Actinomycetes
b) Spirochaetes
c) Eubacteria
d) Archaebacteria
d
Qus 7. Centrosome was discovered by -
a) Boveri
b) Porter
c) Thompson
d) Schimper
A
Qus 9.Raw materials of photosynthesis are -
a) Carbon dioxide and chlorophyll
b) Water and chlorophyll
c) Carbon dioxide and water
d) Water and oxygen
d
Qus 10. Silkworm is a -
a) Beetle
b) Worm
c) Fly
d) Moth
d
neet 2022 quick revision questions
Qus 11. Smallest cell organelles are -
a) Lysosomes
b) Sphaerosomes
c) Peroxisomes
d) Ribosomes
d
Also read more chapters
3
Qus 13.Phycology is the study of -
a) algae
b) fern
c) fungi
d) bryophytes
a
Qus 14.The structure in Amoeba functionally similar to human kidney is -
a) nucleus
b) plasmodesmata
c) plasma membrane
d) contractile vacuole
d
Qus 15.A chain of coccoid bacterial cells is -
a) Staphylococcus
b) Streptococcus
c) Monococcus
d) Diplococcus
B
Qus 16.Leaves grow due to presence of -
a) Apical meristem
b) Diffused meristem
c) Intercalary meristem
d) Mass meristem
c
Qus 17.Transformation was discovered by -
(a) Meselson and Stahl
(b) Hershey and Chase
(c) Griffith
(d) Watson and Crick
C
Qus 18.Tubular heart of Cockroach has how many chambers?
a) 10
b) 11
c) 12
d) 13
d
Qus 19.Which of the following is used to join DNA segments?
A. DNA polymerase
B. Ligase
C. Primase
D. Endonuclease
b
Qus 20.Smallest living cell known -
A. Virus
B. TB bacteria
C. Mycoplasma
D. Fungi
C
Important neet 2022 quick revision questions
Qus 21.Not present in RNA -
A. Guanine
B. Cytosine
C. Uracil
D. Thymine
D
Qus 22.Bacteria lives in salty areas know as -
A. Thermoacidophiles
B. Methanogens
C. Halophiles
D. None
C
Qus 23.Viruses have -
A. Prokaryotic nucleus
B. Single chromosome
C. Both DNA and RNA
D. DNA enclosed in a protein coat
C
Qus 24Protists can reproduce -
A. Asexually
B. Sexually
C. Both
D. None
C
Qus 25.In five kingdom classification , single celled eukaryotes are included in -
A. Fungi
B. Protista
C. Monera
D. Archea
B
Qus 26.Which compound is formed by acetylation of morphine?
A. heroin
B. cochineal
C. tobacco
D. marijuana
A
Qus 27.coleoptile and coleorrhiza are found in -
1. castor
2. pea
3. bean
4. grass family
D
Qus 28.Ribosomes have following enzymatic activity -
A. Peptidase
B. Carboxylase
C. Dehydratase
D. Peptidyl transferase
4
Qus 29.Water soluble pigments found in plant cell vacuoles are -
A. Carotenoids
B. Xanthophylls
C. Chlorophylls
D. Anthocyanins
D
Qus 30.Which of the following organelles is responsible for extracting energy from carbohydrates to form ATP ?
A. Lysosome
B. Ribosome
C. Chloroplast
D. Mitochondria
D
very important neet 2022 quick revision questions
Qus 31.A cell organelle containing hydrolytic enzymes is -
A. Ribosome
B. Mesosome
C. Microsome
D. Lysosome
D
Qus 32.Which is not the part of Decomposition -
A fragmentation
B catabolism
C humiliation
D stratification
D
Qus 33.Role of bile salts -
A. Vit B12 absorption
B. Formation of lipid bilayer
C. Fatty acid degradation
D. Emulsification of lipids
A
Qus 34.Which of the following statements is not true for cancer cells in relation to mutations ?
A. Mutations inactive the cell control
B. Mutations destroy telomerase inhibitor
C. Mutations in proto-oncogenes accelerate the cell cycle
D. Mutations inhibit production of telomerase
Not
Qus 35.Which of the following disease is caused by a protozoan ?
A. Syphilis
B. Influenza
C. Blastomycosis
D. Babesiosis
D
Qus 36.Two related but geographically isolated species are known as -
A. Sibling species
B. Sympatric species
C. Taxonomic species
D. Allopatric species
D
Qus 37.Which of the following statement is wrong for viroids -
A. They cause infections
B. They lack a protein coat
C. They are smaller than viruses
D. Their RNA is of high molecular weight
D
Qus 38.Part of chromosome which is related with the aging process in humans?
A telomere
B chromatic
C satellite
D kinetochore
A
Qus 39.The rate of production of organic matter during photosynthesis is known as -
A GPP
B NPP
C SECONDARY PRODUCTIVITY
D ALL OF THE ABOVE
A
Qus 40.What are interferons secreted in the body ?
A. When serotonin become active
B. When lymphocytes become active
C. When the cells are infected by viruses
D. When antibody reacts with antigens in the body
C
important neet biology mcq
Qus41.Viroids differ from viruses in having -
A. RNA molecules with protein coat
B. DNA molecules with protein coat
C. DNA molecule without protein coat
D. RNA molecules without protein coat
A
Qus42.Carbon Monoxide Binds with Haemoglobin in respect with oxygen is approximetly -
A) 80 to 140 times faster
B) 150 to 200 times faster
C) 250 to 300 times faster
D) 350 to 400 times faster
C
Qus 43.Animal vector are required for pollination in -
A.vallisneria
B.mulberry
C.cucumber
D.maize
C
Qus 44.Modern detergents contain enzyme preparation -
A.thermoacidophiles
B.thermophiles
C.acidophiles
D.alkaliphilies
D
Qus 45.One gene-one enzyme hypothesis was postulated by -
A.beadle and Tatum
B.R.Franklun
C.Harshey & Chase
D.A.Garrod
A
Qus46.Agar-agar is obtained from -
1) Chlorella
2) Spirogyra
3) Ulothrix
4) Gelidium
d
Qus 47.Removal and insertion of genes is -
(a) Genetic engineering
(b) Biotechnology
(c) Gene therapy
(d) Cytogenetics
a
Qus 48.The number is of teeth that grow twice in human life ?
(a) 4
(b) 12
(c) 20
(d) 28
c
Qus 49.The longest bone of the human body is -
a) humerus
b) tibia
c) vertebra
d) femur
d
Qus 50.Sugar found in DNA is -
a) Dextrose
b) Levulose
c) Glucose
d) Deoxyribose
d
neet biology mcq practice
Qus 51.RNA is found in
a) Only in cytoplasm
b) Only in nucleoplasm
c) Both in cytoplasm and nucleoplasm
d) Only in chromosomes
4
Qus 52.Wilson detected the colour blindness disease in
1) 1921
2) 1911
3) 1912
4) 1914
5) 1910
5
Qus 53.Kidney stones are mainly formed by which of the following compound ?
A. Sodium chloride
B. Silicates
C. Calcium bicarbonate
D. Calcium Oxalate
d
Qus 54The children of a colour-blind mother and a normal father will be
A. Normal daughters and sons
B. Normal sons and carrier daughters
C. Colour blind sons and carrier daughters
D. Colour blind sons and daughters
C
Qus 55The kinds of ribonucleic acid present in any plant cell will be
A. 2
B. 4
C. 3
D. 5
A
Qus 56.The food which gives an athelete instant energy is
A. Glucose
B. Protein
C. Butter
D. Vitamin
A
Qus 57.Taxon is
a) a genus
b) a species
c) a taxonomic unit
d) a taxonomic category of any rank
D
Qus 58.Bacterial DNA is
a) Straight
b) Helical
c) Membrane bound
d) Circular & free
4
Qus 59.In Bryophyta, the adult plant body is -
a) sporophyte
b) epiphyte
c) sporophyll
d) gametophyte
D
Qus 60.A chordate character is -
a) Gills
b) Spiracles
c) Post-anal tail
d) Chitinous exoskeleton
C
Qus 61.Which of the following is not a fungus
a) Sargassum
b) Puff balls
c) Bread Mould
d) Yeast
A
Qus 62.In Maleria, which causes chills and fever
a) Hematin
b) Haemozoin
c) Schuffner's granules
d) Hematocrit
B
Qus 63.In frog, fertilization is
a) Internal in median oviduct
b) Internal in body cavity
c) External in water
d) External on weeds
C
Qus 64.A cavity present in between the mouth parts of cockroach is
a) Buccal Cavity
b) Preoral Cavity
c) Buccopharyngeal cavity
d) Proventriculus
B
Qus 65.In operon model, RNA polymerase binds to -
a) Structural gene
b) Promoter gene
c) Regulator
d) Operator gene
B
Qus 66.Best method to determine paternity is -
a) Protein synthesis
b) Chromosome counting
c) Gene counting
d) DNA finger printing
D
Not
Qus 68.Largest endocrine gland is...?
1-Liver
2-Thyroid
3-Intestine
4-Pituitary
2
Qus 69.Site for protein synthesis is
a) Nucleus
b) Cytosol
c) Ribosome
d) Lysosome
C
B
Qus71.New cells generate from
a. bacterial fermentation
b. re generation of old cell
c. pre- existing cell
d. abiotic material
C
Qus 72.The word species was coined by-
A. Aristotle
B. Linnaeus
C. John Ray
D. Engler
C
Qus 73.Founder of taxonomy is:
1. Carolous Linnaeus
2. William roxburgh
3. Aristotle
4. A.P condole
A
Qus 74.Who discovered X-Rays?
a) Madam Curie
b) Einstein
c) Roentgen
d) J. J. Thomson
C
Qus 75.Energy flow in ecosystem is-
A. Bidirectional
B. Multidirectional
C. Unidirectional
D. All around
C
Qus 76.The symbiotic relationship between fungi and roots of higher plants is called
a) lichen
b) Mycorrhiza
c) Helotism
d) mutualism
B
Qus 77.Which of the following blood vessels contain deoxygenated blood?
A. Pulmonary artery
B. Renal artery
C. Umbilical artery
D. A & C both
A
Qus 78.The ABO bloodgroups were discovered by
A. Charles Darwin
B. Karl Landsteiner
C. Gregor Mendel
D. Watson
B
Qus 79.Survival of the fittest' was proposed in his theory of evolution by
A. Darwin
B. Lamarck
C. Mendel
D. Hugo de vries
A
Qus 80.Which pigment is common in all the three algae i.e chlorophyceae, pheophyceae and rhodophyceae.?
1. Chlorophyll a
2. Chlorophyll b
3. Chlorophyll c
4. Chlorophyll d
A
Qus 81.RNA does not possess
a) Uracil
b) Thymine
c) Adenine
d) Cytosine
B
Qus 82.In mammals, which blood vessel would normally carry largest amount of urea?
1. Renal Vein
2. Dorsal Aorta
3. Hepatic Vein
4. Hepatic Portal Vein
3
Qus 83.Heterogametic female are found in
1. birds
2. reptiles
3. both 1 and 2
4. insect
3
Qus 84.Cushing syndrome is due to the hyper secretion of?
(a) Adrenal Cortex
(b) Thyroid
(c) Pituitary
(d) Adrenal Medulla
A
Qus 85.Point at which polytene chromosomes appear attached is
a) Centriole
b) Chromocentre
c) Chromomere
d) Centromere
C
Qus 86.The base that is not found in DNA but found in RNA is
a) Thymine
b) Uracil
c) Adenine
d) Guanine
B
Qus 87.Third cleavage in frog is
a) Vertical & unequal
b) Transverse and unequal
c) Transverse and equal
d) Vertical and equal
B
Qus 88.Checkerboard method of calculations was developed by
a) Mendel
b) Bateson
c) Punnett
d) Morgan
C
Qus 89.Notochord, skeletal system and dermis of skin are the derivation of
a) Mesoderm
b) Endoderm
c) Ectoderm
d) All the three layers
A
Qus 90.Kidneys are
a) Ectodermal
b) Mesodermal
c) Endodermal
d) None of the above
B
Qus 91.Ovulation or release of ovum occurs on the day of menstrual cycle
a) 8-10
b) 12-14
c) 14-16
d) Last two days of menstrual cycle
D
Qus 92.One of these is not of ectodermal in origin
a) Dermis of skin
b) Lens of eyes
c) Epidermis of skin
d) Entire nervous system
Not
Qus 93.A sexually transmitted disease is
a) Gonorrhoea
b) Syphilis
c) AIDS
d) All of the above
D
Qus 94.Who discovered virus to be nucleprotein entity
a) Causius
b) Pasteur
c) Ivanowski
d) Bawden and Pine
D
Qus 95.Transpiration is helpful to plants in
a) Cooling
b) Loss of excess nutrients
c) Upward conduction/ascent of sap
d) Loss of excess water
D
Qus 96.Cell membranes contain branched chain lipids in
a) Actinomycetes
b) Spirochaetes
c) Eubacteria
d) Archaebacteria
D
Qus97.One gene one enzyme hypothesis was proposed by
a) Jacob and Monod
b) Beadle and Tatum
c) Watson and Crick
d) Garrod and Jensen
B
Qus 98.The process of multiplication of DNA from DNA is known as
a) Replication
b) Duplication
c) Transcription
d) Translation
A
Qus 99.Anticodon is made up of
a) Three adjacent nitrogen bases
b) Unpaired triplet bases on mRNA
c) Paired triplet of nitrogen bases
d) Unpaired triplet of nitrogen bases at one end of tRNA
D
Qus 100.Menstrual cycle is generally of
a) 21 days
b) 28 days
c) 30 days
d) 40 days
B
neet 2022 quick revision questions bio
Qus 101.Which is the regenerating organ of human body???
1.Liver
2.stomach
3.Lungs
4.Skin
1
Qus 102.The term protoplasm was coined by
a) Robert Hooke
b) Dujardin
c) Robert Brown
d) Purkinje
D
A
Qus 104.The loss of water in the form of water drops is called
(a) Transpiration
(b) Respiration
(c) Guttation
(d) Exosmosis
C
Qus 105.Largest gland in the body is
(a) Liver
(b) Pancreas
(c) Gastric gland
(d) Adrenal
A
Qus 106.Carrot is orange in color because ?
A. It grows in the soil
B. It is not exposed to sunlight
C. It contains carotene
D. The entire plant is orange in color
C
Qus 107.Which one is antagonist to ADH:
1)Oxytocin
2)Heparin
3)Angiotesinogen
4)Histamine
3
Qus 108.Nephrons is the functional unit of:
1. Heart
2. Lungs
3. Brain
4. Kidney
4
Qus 109.What is the percentage of plasma in blood ?
1. 90-95%
2. 50-55%
3. 60-65%
4. 40-45 %
4
Qus 110.Which of the following are composite organism
[a] Notothylus
[b] Lycopodium
[c] Rhizocarpon
[d] Polysiphonia
444
Qus 111.Total number of ribs in human body is
a) 10
b) 12
c)24
d) 36
C
Qus 112.Chlorophylls absorb visible wavelength
a) 400-500 nm only
b) 300-400 nm only
c) 600-800 nm only
d) 400-500 nm and 600-700nm
A
Qus 113.Cell membranes contain branched chain lipids in
a) Actinomycetes
b) Spirochaetes
c) Eubacteria
d) Archaebacteria
D
Qus 114.Pollination is
a) Transfer of pollen from anther to stigma
b) Shedding of pollen grains from anthers
c) Dispersal of pollen
d) Fertilization of plants
A
Qus 115.is referred to as the graveyard of RBCs.
a.) Liver
b.) Spleen
c.) Bone Marrow
d.) Intestine
B
Qus 116.In development, nervous system (brain, spinal cord, nerve cells) is
a) Ectodermal
b) Endodernial
c) Ectomesodermnal
d) Endomesodermal
A
Qus 117.Helical contractile sheath occurs in
a) Bacteria
b) Bacteriophage
c) Riboviruses
d) Fungi
B
Qus 118.Mode of nutrition in Rhizopus/Mucor is
a) Parasitic
b) Symbiotic
c) Saprophytic
d) Autotrophic
4
Qus 119.Which of the following is not a fungus
a) Sargassum
b) Puff balls
c) Bread Mould
d) Yeast
a
Qus 120.Which of the following is an example of green algae ?
A. Albugo.
B. Gelidium
C. Gracilaria.
D. None
d
Qus 121.ECG is a measure of
a) rate of heart beat
b) difference in electric potential
c) volume of blood pumped
d) ventricular contrnction
a
Qus 122.During embryonic development of frog, yolk plug produces
a) Anteriorside
b) Dorsal side
c) Ventral side
d) Posterior side
D
Qus 123.The largest part of the human brain is ?
[A] Medulla oblongata
[B] Cerebellum
[C] Cerebrum
[D] Mid-brain
c
Qus 124.Photosynthesis is maximum in
1.red light
2.green light
3.low light intensity
4.high light intensity
a
Qus 125.A major site for synthesis of lipids is
A.symplast
B.nucleoplasm
C.RER
D. SER
4
* Mcq chapter human reproduction
Qus 126. how to differentiate cervical vertebrae form thoracic vertebrae -
(1)on the basis of demifacet
(2)on the basis of no of process
(3)on the basis of large size
(4)on the basis of vertebro-arterialc canal
4
Qus 127. Head of femur articularte with -
(1)glenoid cavity of pelvice girdle
(2)acetabulum cavity of pelvic girdle
(3)glenoid cavity of pelvic girdle
(4)obturator foramen of pelvic girdle
2
Qus 128. contractile protein of skeletal with ATPase activity is -
(1)myosin
(2)actinin
(3)troponin
(4)trpomyosin
1
Qus 129. which is a gurup of endproducts of carbohydrate in human ?
(1)galactose,glucose, maltose
(2)sucrose ,galactose , maltose
(3)glucose ,galactose ,fructose
(4)glucose ,galactose ,isomaltose
3
Qus 130.Find the odd related to secretion of sweat gland -
(1)water and NaCl
(2)urea
(3)lactic
(4)sterols
4
Qus 131.Intrinsic factor essential for absorption of -
(1)vitamin -B9
(2)vitamin-B1
(3)vitamin-B12
(4)vitamin-C
3
Qus132. Which of the following is incorrect matching
(1)muscular moment - limbs
(2)amoeboid movement - erythrocytes
(3)ciliary movemnts - trachea
(4)flagellar movement - spermatozoa
2
Qus 133.the duct of gall bladder is also known as-
(1) hepatic duct
(2) sublingual duct
(3)crypts of lieberkunh
(4)cystic duct
4
Qus 134.choose the incorrect option about osteoporosis-
(1)it is age lelated disorder
(2)in this disorder increased chances of bone fractures
(3)it is charecterised by decreased bone mass
(4)increased level of estrogen is a common cause
4
Qus 135.blood circulation that start form capillarises and ends form capillaries is called -
(1)portal circulation
(2)cardiac circulation
(3)hepatic circulation
(4) non of these
1
Qus 136.heart beat is accelearated by-
(1)cranial nerves and acetylcholine both
(2)sympathetic nerves and acetylcholine both
(3)cranial nerves and adrenaline both
(4)sympathetic nerves and nor epinephrine
4
Qus137. which one of the following joint allows considerable movment-
(1)synovial
(2)cartilagenous
(3)synarthrisis
(4)fibrous
1
Qus 138.haemodialysis helps in the patient having-
(1)uremia
(2)anaemia
(3)goitre
(4)diabetes
1
Qus 139.A fall in glomerular filtration rate (GFR) activates
(1)juxta glomerular cell to release renin
(2)adrenal medulla to release TSH
(3)anterior pituitaryto release prolaction
(4)adrenal cortex to release androgens
1
Qus 140.one is found in blood not nephric filtrare -
(1)ammonia
(2)urea
(3)glucose
(4)globulin
4
Qus 141.ECG is a measure of
a) rate of heart beat
b) difference in electric potential
c) volume of blood pumped
d) ventricular contrnction
a
Qus 142.which of the following is an enzyme complex ?
(1)fibrinogen
(2)thromoboplastin
(3)thrombokinase
(4)prothombin
3
Qus 143. which of the following part of heart first receives deoxygenated blood -
a) right ventricle
b) aorta
c) pulmonary vein
d) coronary artery
4
Qus 144. lymph is colourless bacause-
a) WBC and RBC both are present
b) WBCare absent
c) RBC are absent
d) haemoglobin is paesent
3
Qus 145.blood supply to heart musculature is via -
a) cardiac artery
b) aorta
c) pulmonary vein
d) coronary artery
4
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