FULL SYLLABUS (NEET/AIIMS Online Ptactice Exam)

Lady bird (Beetle with red and black marking) is used as biological control of ?
1. Mosquito
2. Aphids
3. Dragonflies
4. Jassids
Incorrect about cardiac muscles is:-
(a) non-striated
(b) voluntary
(c) muscles of hollow visceral organs
(d) Unbranched
1. c
2. b,c
3. c,d,b
4. a,b,c,d
IARI, New Delhi developed which variety of beans, which is protein enriched ?
1. Pusa sawni
2. Pusa Gaurav
3. Pusa A-4
4. Lablab
Thick myofilaments are made of :-
1. Dyenin
2. Myosin
3. Kinesin
4. Actin
Which of the following scientist is the initiator of "Lab-to-land" programme ?
1. M.S. Swaminathan
2. Norman Borlaug
3. Herbert Boyer
4. Panchanan Maheshwari
Which cell recognizes cells that have lost class-I MHC molecules from their surface ?
1. TH – Cell
2. TK-cell
3. N.K.cell
4. All of these
'Trichoderma' which are used as biological control agent for different plant disease are :-
1. Viruse
2. Free living fungi
3. Free living Bacteria
4. Simbiotic Bacteria
Keratin of skin does not support viral replication or penetration by bacteria. Skin forms ............ barrier of acquired immunity.
1. Physiological/Cytokine
2. Physical
3. Cellular
4. None of these
Occurrence of endemic species in south America and Australia is due to :-
1. Prograssive evolution
2. Continental separation
3. Absence of terrestrial routes to these places
4. Mutation
Find incorrect statement with regard to meiosis :-
1. During meiosis only a single cycle of DNA replication take place.
2. In Anaphase - I sister chromatids remain associated at their centromeres.
3. Diakinesis represents transition to metaphase
4. Four haploid cells are formed at the end of meiosis-II which are genetically identical.
Some human individuals have long and pointed canine teeth. It is an example of
1. Vestigial organ
2. Atavism
3. Homologous organ
4. None
The lysosome differs from the ER because it's:-
1. having unit membrane
2. bear ribosomes on their surface
3. Enzymes optimally active at acidic pH
4. Site for formation of glycoprotein and glycolipids
Production of oxygen started in which era during evolution :-
1. Archaeozoic era
2. Proterozoic era
3. Palaeozoic era
4. Mesozoic era
Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fill up the blank in two statements :- Statements :
(A) Cilia are small structure which work like .......,causing the movement of either the cell or the surrounding fluid.
(B) Normally, there is only one ........... per cell.
(C) The ............. chromosome has centromere slightly away from the middle of the centromere whereas the ............ chromosome has terminal centromere.
(D) Chromatin contains DNA and some basic protein called ................ .
1. (A) (i) Oars (B) Mitochondria
2. B) Nucleus (C) (i) Acrocentric, (ii) Telocentric
3. (C) (i) Sub-meta centric, (ii) Telocentric (D) Histone
4. (D) Non - Histone (A) (i) Oars
Nictitating membrane in cat is an example of :-
1. Atavismic character
2. Vestigial organ
3. Homologous organ
4. Functional structure
Every chromosomes essentially has a ........... on the sides of which disc shaped structure called .......... are present :-
1. Satellite, NOR
2. Secondary constriction, centriole
3. Primary constriction, centriole
4. Centromere, Kinetochores
Near about the carboniferous period all the present day continents formed a single large land mass called:-
1. Alligators
2. Realms
3. Pangaea
4. Country
Which of the following is heteropolymer :-
1. Protein
2. Inulin
3. Glycogen
4. Starch
Read the following statements and give the answer as asked below :-
(A) The cell wall of fungi is composed of chitin and polysaccharide.
(B) Members of phycomycetes are facultative parasite on plants.
(C) In Ascomycetes asexual spores are called ascospores.
(D) In Basidiomycetes vegetative reproduction by fragmentation is ommon.How many statements are correct ?
1. One
2. Two
3. Three
4. Four
Lactose is :-
1. Reducing monosaccharide
2. Made up of beta.D. Galactose & beta-D-Glucose
3. Milk sugar
4. Both (Made up of beta.D. Galactose & beta-D-Glucose) & (Milk sugar)
When the common characteristic goes on decreasing :-
1. As we go higher from species to kingdom.
2. As we go lower from kingdom to species.
3. As we go both lower and higher in taxonomical hierarchy.
4. None of these
Which of the following is essential amino acid
1. Tryptophan
2. Threonine
3. Histidine
4. All of these
In the column-I and column-II pathogen and related disease are given, match the correct pathogen of its causing disease :-
1. i-D, ii-C, iii-A, iv-B
2. i-D, ii-C, iii-B, iv-A
3. i-A, ii-B, iii-C, iv-D
4. i-C, ii-D, iii-B, iv-A
Protoplasm term given by :
1. Dujardin
2. Purkinje
3. Schultze
4. Huxley
In the following which one is the example of Bryophyta that has elaborate mechanism of spore dispersal :-
1. Polysiphonia
2. Marchantia
3. Polytrichum
4. Dryopteris
All of the following are sense organs in Periplaneta except :-
1. Anal style
2. Anal cerci
3. Antennae
4. Maxillary palps
Read the following statements and select the correct option :-
(A) Gymnosperms include medium size tree or tall trees, shrubs and herbs.
(B) In cycas coralloid roots are associated with mycorrhiza.
(C) In conifers needle like leaves reduce the surface area.
(D) The gymnosperms are heterosporous.
How many above statements are correct and incorrect :-
1. 2 - Correct, 2 - Incorrect.
2. 3 - Correct, 1 - Incorrect.
3. 1 - Correct, 3 - Incorrect.
4. 0 - Correct, 4 - Incorrect.
Which of the following route of blood clotting is correctly described ?
1. Cascade process to Thrombin to Thrombokinase to Fibrin
2. Thrombokinase to Cascade process to Thrombin to Fibrin
3. Cascade process to Thrombokinase to Thrombin to Fibrin
4. Thrombin to Thrombokinase to Cascade process to Fibrin
Taxonomist have developed a variety of taxonomic aids to facilitate :-
1. Identification of organism
2. Naming of organism
3. Classification of organism
4. All of the above
Which of the following cell junction helps to stop substances from leaking across a tissue ?
1. Gap junction
2. Tight junction
3. Adhering junction
4. All of these
For Bryophytes,Select the incorrect statement in the following :-
1. The plant body of liver worts is thalloid and isobilateral.
2. Mosses have upright, slender axis bearing spirally arranged leaves.
3. Spores germinate to form gametophyte.
4. The zygote produces a sporophyte
Hormones are :-
(A) Low molecular weight substances
(B) Stored in body
(C) Bio catalyst
(D) Mainly Functional away from origin
(E) Intercellular substances
(F) Non species specific
(G) Exclusively proteins
1. B, C, E, F
2. A, C, E, F
3. A, D, E, F
4. A, D, E, G
Identify the diagram that is given below :-
1. Selaginella
2. Equisetum
3. Fern
4. Salvinia
It iter is blocked than what will be happens with CSF conduction in spinal cord?
1. No CSF conduction
2. CSF conduction continuous
3. Stopped
4. CSF conduction will irregular
In the following diagrams which one is the example of Red Algae :-
1. (1)
2. (2)
3. (3)
4. (4)
Read the sentense :The entire process of response to a PNS stimulation, that occur involuntary i.e. without conscious effort and requires involvement of CNS part is called a reflex action:-Which one is not true about sentense:-
(a) All spinal reflexes are involuntary
(b) All involuntary reflexes are spinal reflex
(c) Sensory stimuli passes through pseudo- unipolar from ventral surface
(d)Lateral horns are found is thoracic, cervical and lumbar region of spinal cord.
1. a, c, d
2. b,c,d
3. a,b,d
4. a,b,c
Which chromosomal arrangement in F1 is present in repulsion of Bateson :-
1. Cis
2. Trans
3. Both (Cis) & (Trans)
4. None of above
The maximum volume of air a person can breathe in after a forced expiration :-
1. TV + ERV
2. TV + IRV
3. TV + ERV + IRV
4. ERV + RV
If AB and O blood group are present in the offsprings of a couple which is true for this couple:-
1. Both are homozygous
2. Both are heterozygous
3. They have AB and O blood group
4. They can donate blood to any one
1. Two
2. Four
3. Five
4. Six
When two genes are situated close to each other in a chromosome :-
1. The percentage of crossing over between them is very high
2. Hardly any crossover is deteched
3. No crossing over can take place between them
4. Only double cross overs can take place between them
Read the following statements :-
(i) Acute chest pain appears
(ii) The heart stops beating
(iii) No enough oxygen is reaching the heart muscle.
(iv) congestion of the lungs is one of the main symptoms of this disease.
(v) It is more common among the middle aged and elderly.
(vi) It occurs due to conditions that affect the blood flow.
How many statements correct about Angina.
1. Two
2. Three
3. Four
4. Five
In which of the following inheritance phenotype of F1–hybrid does not resemble with either of it's parents :-
1. Incomplete dominance
2. Codominace
3. Polygenic inheritance
4. All of above
Read the following statements :-
(I) Dialysis fluid contain all the constituents as in plasma except ----(a)-----
(II) A chordate animal having flame cells as excretory structure is ------(b)-------
(III) Reabsorption of water from distal parts of the tubule is facilitated by hormone -----(c)---In above statements (a), (b), (c) are :-
1. Glucose, Planaria, ADH
2. Nitrogenous wastes, Planaria, ADH
3. Nitrogenous wastes, Amphioxus, ADH
4. NaCl, Rotifers, Aldosterone
How many different type of gametes are produced by M/M, g/g, B/b, C/c, D/d genotype :-
1. 2
2. 4
3. 8
4. 16
The epidermis of mammals is characterized by the absence of:-
1. Mucous glands
2. Femoral glands
3. Poison gland
4. All of these
The end product, whose addition will check the synthesis of biosynthetic enzyme is known as :-
1. Aporepressor
2. Co-repressor
3. Inducer
4. Suppressor
In humans at the end of the first meiotic division, the male germ cells differentiate into the :-
1. new spermatogonia
2. spermatids
3. secondary spermatocytes
4. primary spermatocytes
The expression of genes, for the production of milk in only female is :-
1. Sex linked trait
2. Y-linked trait
3. Sex limited trait
4. Sex influenced trait
Emergency contraceptives are effective if used within :-
1. 72 hrs of coitus
2. 72 hrs of ovulation
3. 72 hrs of menstruation
4. 72 hrs of implantation
Which of the following match is/are correct ?
(A) PCR Technique–Taq & Vent polymerase
(B) Tetra & Andi–Cloned monkey
(C) SCID disorder–ADA Enzyme
(D) First transgenic animal–Mouse
1. All are correct
2. Only C is correct
3. Only A & D are correct
4. Only B is correct
Mature graafian follicle is generally present in the ovary of a healthy human female around stet:
1. 5-8 day of menstrual cycle
2. 11-17 day of menstrual cycle
3. 18-23 day of menstrual cycle
4. 24-28 day of menstrual cycle
The given pedigree chart shows the inheritance of which of the following Mendelian disorder ?
1. Autosomal dominant trait - Myotonic dystrophy.
2. X-linked dominant trait - Pseudoricketes
3. Autosomal recessive trait - Sickle cell anaemia
4. X-linked recessive trait - Haemophilia.
Match the following and choose the correct options :
(A) Trophoblast (i) Embeding of blastocyst in the endometrium
(B) Cleavage (ii) Group of cells that would differentiate as embryo
(C) Inner cells mass (iii) outer layer ofblastocyst attached to the endometrium
(D) Implantation (iv) mitotic division of zygote
1. A-ii, B-i, C-iii, D-iv
2. A-iii, B-iv, C-ii, D-i
3. A-iii, B-i, C-ii, D-iv
4. A-ii, B-iv, C-iii,, D-i
Allelic sequence variations, where more than one varient (allele) at a locus in a human population with a frequency greater than 0.01 is referred to as:-
1. Incomplete dominance
2. EST
3. SNP
4. DNA polymorphism
Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change unburnt hydrocarbons into:-
1. carbon dioxide and water
2. carbon mono oxide
3. methane
4. carbon dioxide and methane
The restriction endonuclease enzyme binds to the DNA & cut -
1. any one strand of the double helix
2. each of the two strands at specific points in their base - sugar bonds.
3. each of the two strands at specific points in their base - phosphate bonds.
4. each of the two strands at specific points in their sugar - phosphate, back bones.
Match correctly the following and choose the correct option :
(i) Environment Protection Act A. 1974
(ii) Air Prevention & Control of B. 987 pollution Act
(iii) Water Act C. 1986
(iv) Amendment of Air Act to D. 1981include noise
The correct matches is ;
1. i-C, ii-D, iii-A, iv-B
2. i-A, ii-C, iii-B, iv-D
3. i-D, ii-A, iii-B, iv-C
4. i-C, ii-D, iii-B, iv-A
Read the following statement having two blanks (A & B) :-
"A drug used for------(A)---- patients is obtained from a species of the rganism -----(B)----.
The one correct option for the two blanks is - Blank - A Blank - B
1. Heart , Streptococus
2. Heart , Monascus
3. Organ - transplant, Trichoderma
4. Swine flu , Monascus
Choose the incorrect statement :-
1. The Montreal protocol is associated with the control of emission of ozone depleting substances
2. Methane and carbon dioxide are green house gases
3. Dobson units are used to measure oxygen content
4. Use of incinerators is crucial to disposal of hospital wastes
Consider the following four statements (a-d) and select the option which includes all the correct ones only.
(a) Cross-breeding allows the desirable qualities of two different species to be combined.
(b) Wax is used in the preparation of cosmetics and polishes of various kinds.
(c) Pisciculture is catching processing and selling of fishes
(d) Inbreeding helps in accumulation of superior genes.
Options :
1. Statement (b), (c) and (d)
2. Statement (a) and (d)
3. Statement (a) and (c)
4. Statement (a), (c) and (d)
Amensalism is an association between two species where :
1. one species is harmed and other is benefitted
2. one species is harmed and other is unaffected
3. one species is benefitted and other is unaffected
4. both the species are harmed
How many enzymes in the list given below are protein digesting enzyme found in pancreatic juice?

Lactase, Trypsin, Pepsin, Chymotrypsin, Aminopeptidase, Rennin, Carboxypeptidase, Nuclease, Maltase.
1. Six
2. Three
3. Four
4. Five
Formation of tropical forests needs mean annual temperature and mean annual precipitation as :
1. 18-25ºC and 150-400 cm
2. 5-15ºC and 50-100 cm
3. 30-50ºC and 100-150cm
4. 5-15ºC and 100-200 cm
Read the following five statement and answer as asked next to them ?
(a) Peptic cells secrete the proenzyme pepsinogen
(b) Enterokinase is a digestive enzyme of pancreatic juice
(c) Haustra are found in large intenstine
(d) For its activity carboxypeptidase requires zinc
(e) Spicy food may cause indigetion
How many of the above statements are incorrect ?
1. Four
2. One
3. Two
4. Three
According to Allen's Rule, the mammals from colder climates have :
1. shorter ears and longer limbs
2. longer ears and shorter limbs
3. longer ears and longer limbs
4. shorter ears and shorter limbs
Read the following four statements (a-d) :-
(a) A single out cross often helps to overcome inbreeding depression
(b) Artificial insemination helps to overcome several problems of normal matings
(c) Bee keeping is easy and do not require any specialised knowledge
(d) Catla, rohu and common carp are fresh water fish.
How many of the above statements are :-correct?
1. One
2. Two
3. Three
4. Four
Ecological niche is :-
1. the surface area of the ocean
2. an ecologically adapted zone
3. the physical position and functional role of a species within the community
4. formed of all plants and animals living at the bottom of a lake
When the resources are limited, which are the phases exhibited by an organism during growth?
1. Lag, Log, exponential, deacceleration,asymptomatic
2. Lag, log, asymptomatic, deacceleration,exponential
3. Lag, log, deacceleration, exponential,asymptomatic
4. None of these
Function of stem is :-
1. To bear leaves, flowers and branches.
2. Conduction of water and minerals to leaves.
3. Conduction of food (photosynthates)
4. All of the above
The density of a population in a given habitat during a given period, fluctuates due to changes in?
1. Immgration, Natility
2. Mortality
3. Emigration
4. All the above
Conjoint, bicollateral, open vascular bundles arranged in two rings are characteristic of :-
1. Cucurbita
2. Cocos
3. Asparagus
4. Yucca
Type of ovule in Pea :-
1. Hemianatropous
2. Amphitropous
3. Anatropous
4. Campylotropous
A T.S. of monocot stem can be distinguished from that of a dicot stem by observing the :-
1. Vascular bundles, which are scattered in monocot stem.
2. Sunken stomata
3. Radial vascular bundles
4. Concentric vascular bundles
Formation of embryo from egg cell without fertilization ?
1. Parthenogenesis
2. Parthenocarpy
3. Apospory
4. Apomixis
Which modification is reported in Asparagus and Ruscus?
1. Cladodes
2. Phyllodes
3. Leaf spines
4. Phylloclades
Filiform apparatus is present in :
1. Suspensor cell
2. Egg cell
3. Synergids
4. Zygote
A flower having many free carpels will develop into :-
1. Schizocarpic fruit
2. Sorosis
3. Simple fruit
4. Etaerio
1. A-iii, B-iv, C-v, D-i, E-ii
2. A-iv, B-iii, C-ii, D-v, E-i
3. A-iii, B-iv, C-v, D-ii, E-i
4. A-iii, B-iv, C-ii, D-v, E-i
Which of the following character is shown by Australian Acacia and Parkinsonia ?
1. Developmental heterophylly.
2. Climb up to a support with the help of spines
3. Leaf part petiole gets modified into phyllode.
4. Vegetative propagation occurs by bulbils
Metagenesis is present in :-
1. Corals
2. Anemones
3. Hydra
4. None
The plant hormone which is basic in nature:-
1. Auxin
2. Gibberellins
3. Cytokinin
4. Abscisic acid
Select the incorrect statement among the following :-
1. Flat worms are mostly endoparasites
2. Ctenophora are exclusively marine
3. Arthropods are mostly oviparous with direct or indirect development
4. Many cartilagenous fishes are oviparous
An example of non-competitive inhibition is:-
1. The inhibition of succinic dehydrogenase by malonate
2. Cyanide action on cytochrome oxidase
3. Sulpha drug on folic acid synthesizing bacteria
4. None of above
Worm like marine animals are :-
1. Protochordates
2. Ctenophores
3. Cephalochordata
4. Hemichordata
Lencelet is :-
1. Hemichordata
2. Vertebrata
3. Urochordata
4. None
Identify the product marked (A) and (B) in the following pathway :-
1. (A) 2 phospho glycerate; (B) Acetyl CoA
2. (A) PEP; (B) Ethyl alcohol
3. (A) PEP (B) Lactic acid
4. (A) PEP (B) acetyl CoA
OEC is located in/on :-
1. Outer surface of grana membrane
2. Lumen of stroma lamellae
3. Inner surface of thylakoid membrane
4. Stroma
Transport proteins of are control points where a plant adjust the quantity and types of solutes that reach the xylem :-
1. Pericycle
2. Hypodermis
3. Endodermis
4. Pith
(a) Essential elements are components of energy related compounds
(b) Essential elements are components of structural element of cells
(c) Mn²⁺ is an activator of alcohol dehydrogenase
1. All are correct
2. Only (a) is incorrect
3. Only (b) is incorrect
4. Only (c) is incorrect
Given below is a diagrammatic cross section of a single loop of human cochlea

Which one of the following options correctly represents the names of three different parts?
1. A : Perilymph, B : Tectorial membrane, C : Endolymph
2. B : Tectorial membrane, C : Perilymph, D : Secretory cells
3. C : Endolymph, D : Sensory hair cells, A : Serum
4. D : Sensory hair cells, A : Endolymph, B : Tectorial membrane
What is vital capacity of our lungs?
1. Total lungs capacity minus residual volume
2. Inspiratory reserve volume plus tidal volume
3. Total lungs capacity minus expiratory reserve volume
4. Inspiratory reserve volume plus expiratory reserve volume
Which one of the following items gives its correct total number?
1. Cervical vertebrae in humans – 8
2. Floating ribs in humans – 4
3. Amino acids found in proteins – 16
4. Types of diabetes – 3
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
1. Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
2. Gastric juice will be deficient in chymosin
3. Gastric juice will be deficient in pepsinogen
4. In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
During the propagation of a nerve impulse, the action potential results from the movement of
1. Na+ ions from extracellular fluid to intracellular fluid
2. Ka+ ions from extracellular fluid to intracellular fluid
3. Na+ ions from intracellular fluid to extracellular fluid
4. Ka+ ions from intracellular fluid to extracellular fluid
The blood calcium level is lowered by the deficiency of
1. Calcitonin
2. Parathormone
3. Thyroxine
4. Both Calcitonin and Parathormone
The most active phagocytic white blood cells are
1. Neutrophils and monocytes
2. Neutrophils and eosinophils
3. Lymphocytes and macrophages
4. Eosinophils and lymphocytes
Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to
1. Setae
2. Coelomic fluid
3. Blood
4. Gut peristalsis
In humans, blood passes from the post caval to the diastolic right atrium of heart due to
1. Pressure difference between the post caval and atrium
2. Pressure difference between the post caval and atrium
3. Suction pull
4. Stimulation of the sino auricular node
Which extraembryonic membrane in humans prevents desiccation of the embryo inside the utrerus?
1. Amnion
2. Chorion
3. Allantois
4. Yolk sac

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FULL SYLLABUS (NEET/AIIMS Online Ptactice Exam)

MCQ