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Neet question paper, Exams of Engineering

SASTRA UniversityEngineering

Questions asked in neet 2019 neet neet meeet

Typology: Exams

2018/2019

Uploaded on 06/08/2019

pratheep-purujit
pratheep-purujit 🇮🇳

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ALLEN
1
CODE - P2
91. Which of the following statements is incorrect ?
(1) Viroids lack a protein coat
(2) Viruses are obligate parasites
(3) Infective constituent in viruses is the protein
coat
(4) Prions consist of abnormally folded proteins
Ans. (3)
92. Purines found both in DNA and RNA are :-
(1) Adenine and thymine
(2) Adenine and guanine
(3) Guanine and cytosine
(4) Cytosine and thymine
Ans. (2)
93. Which of the following glucose transporters is insulin-
dependent ?
(1) GLUT I (2) GLUT II
(3) GLUT III (4) GLUT IV
Ans. (4)
94. Identify the cells whose secretion protects the lining
of gastro-intestinal tract from various enzymes :-
(1) Chief Cells
(2) Goblet Cells
(3) Oxyntic Cells
(4) Duodenal Cells
Ans. (2)
95. Which one of the following equipments is essentially
required for growing microbes on a large scale, for
industrial production of enzymes ?
(1) BOD incubator (2) Sludge digester
(3) Industrial oven (4) Bioreactor
Ans. (4)
96. Which of the following in true for Golden rice ?
(1) It is Vitamin A enriched, with a gene from
daffodil
(2) It is pest resistant, with a gene from
Bacillus
thuringiensis
(3) It is drought tolerant, developed using
Agrobacterium
vector
(4) It has yellow grains, because of a gene intro duced
from a primitive variety of rice
Ans. (1)
FINAL NEET(UG)–2019 EXAMINATION
(Held On Sunday 05th MAY, 2019)
BIOLOGY
TEST PAPER WITH ANSWER
97. Which one of the following is not a method of
in
situ
conservation of biodiversity ?
(1) Biosphere Reserve
(2) Wildlife Sanctuary
(3) Botanical Garden
(4) Sacred Grove
Ans. (3)
98. Under which of the following conditions will there
be no change in the reading frame of following
mRNA ?
5'AACAGCGGUGCUAUU3'
(1) Insertion of G at 5th position
(2) Deletion of G from 5th position
(3) Insertion of A at G at 4th and 5
th positions
respectively
(4) Dele ti on of GG U f rom 7 th, 8th a nd 9th positions
Ans. (4)
99. Which of these follow ing methods is the most s uitable
for disposal of nuclear waste ?
(1) Shoot the waste into space
(2) Bury the waste under Antarctic ice-cover
(3) Dump t he waste within rocks und er deep ocean
(4) Burry the waste within rocks deep below the
Earth's surface
Ans. (4)
100. Match the following organisms with the products
they produce :-
(a)
Lactobacillus
(i) Cheese
(b)
Saccharomyces
(ii) Curd
cerevisiae
(c)
Aspergillus niger
(iii) Citric Acid
(d)
Acetobacter aceti
(iv) Bread
(v) Acetic Acid
Select the correct option.
(a) (b) (c) (d)
(1) ii iv v iii
(2) ii iv iii v
(3) iii iv v i
(4) ii i iii v
Ans. (2)
pf3
pf4
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ALLEN

CODE - P

  1. Which of the following statements is incorrect? (1) Viroids lack a protein coat (2) Viruses are obligate parasites (3) Infective constituent in viruses is the protein coat (4) Prions consist of abnormally folded proteins Ans. (3)
  2. Purines found both in DNA and RNA are :- (1) Adenine and thymine (2) Adenine and guanine (3) Guanine and cytosine (4) Cytosine and thymine Ans. (2)
  3. Which of the following glucose transporters is insulin- dependent? (1) GLUT I (2) GLUT II (3) GLUT III (4) GLUT IV Ans. (4)
  4. Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes :- (1) Chief Cells (2) Goblet Cells (3) Oxyntic Cells (4) Duodenal Cells Ans. (2)
  5. Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes? (1) BOD incubator (2) Sludge digester (3) Industrial oven (4) Bioreactor Ans. (4)
  6. Which of the following in true for Golden rice? (1) It is Vitamin A enriched, with a gene from daffodil (2) It is pest resistant, with a gene fromBacillus thuringiensis (3) It is drought tolerant, developed using Agrobacterium vector (4) It has yellow grains, because of a gene introduced from a primitive variety of rice Ans. (1)

FINAL NEET(UG)–2019 EXAMINATION

(Held On Sunday 05th^ MAY, 2019)

BIOL OGY TEST PAPER WITH ANSWER

  1. Which one of the following is not a method ofin situ conservation of biodiversity? (1) Biosphere Reserve (2) Wildlife Sanctuary (3) Botanical Garden (4) Sacred Grove Ans. (3)
  2. Under which of the following conditions will there be no change in the reading frame of following mRNA? 5'AACAGCGGUGCUAUU3' (1) Insertion of G at 5th^ position (2) Deletion of G from 5th^ position (3) Insertion of A at G at 4th^ and 5th^ positions respectively (4) Deletion of GGU from 7th, 8th^ and 9th^ positions Ans. (4)
  3. Which of these following methods is the most suitable for disposal of nuclear waste? (1) Shoot the waste into space (2) Bury the waste under Antarctic ice-cover (3) Dump the waste within rocks under deep ocean (4) Burry the waste within rocks deep below the Earth's surface Ans. (4)
  4. Match the following organisms with the products they produce :- (a)Lactobacillus (i) Cheese (b)Saccharomyces (ii) Curd cerevisiae (c)Aspergillus niger (iii) Citric Acid (d)Acetobacter aceti (iv) Bread (v) Acetic Acid Select the correct option. (a) (b) (c) (d) (1) ii iv v iii (2) ii iv iii v (3) iii iv v i (4) ii i iii v Ans. (2)

ALLEN

Final NEET(UG)-2019 Exam/05-05-

  1. What map unit (Centimorgan) is adopted in the construction of genetic maps? (1) A unit of distance between two expressed genes, representing 10% cross over (2) A unit of distance between two expressed genes, representing 100% cross over (3) A unit of dist ance between genes on chromosomes, representing 1% cross over (4) A unit of distance between genes on chromosomes, representing 50% cross over Ans. (3)
  2. Select the hormone-releasing Intra-Uterine Devices? (1) Vaults, LNG- (2) Multiload 375, Progestasert (3) Progestasert, LNG- (4) Lippes Loop, Multiload 375 Ans. (3)
  3. Which of the following can be used as a biocontrol agent in the treatment of plant disease? (1) Trichoderma (2)Chlorella (3) Anabaena (4)Lactobacillus Ans. (1)
  4. Expressed Sequence Tages (ESTs) refers to :- (1) Genes expressed as RNA (2) Polypeptide expression (3) DNA polymorphism (4) Novel DNA sequences Ans. (1)
  5. Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains :- (1) Natural killer cells (2) Monocytes (3) Macrophages (4) Immunoglobulin A Ans. (4)
  6. Select the incorrect statement :- (1) Inbreeding increases homozygosity (2) Inbreeding is essential to evolve purelines in any animal (3) Inbreeding selects harmful recessive genes that reduce fertility and productivity (4) Inbreeding helps in accumulation of superior genes elimination of undesirable genes Ans. (3)
  7. Select the correct sequence of transport of sperm cells in male reproductive system :- (1) Testis ® Epididymis ® Vasa efferentia ® Rete testis ® Inguinal canal ® Urethra (2) Seminiferous tubules ® Rete testis ® Vasa efferentia ® Epididymis ® Vas deferens ® Ejaculatory duct ® Urethra ® Urethral meatus (3) Seminiferous tubules ® Vasa efferentia ® Epididymis ® Inguinal canal ® Urethra (4) Testis ® Epididymis ® Vasa efferentia ® Vas deferens ® Ejaculatory duct ® Inguinal canal ® Urethra ® Urethral meatus Ans. (2)
  8. A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4 then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population? (1) 0.36 (AA); 0.48(Aa); 0.16 (aa) (2) 0.16 (AA); 0.24 (Aa); 0.36 (aa) (3) 0.16 (AA); 0.48 (Aa); 0.36 (aa) (4) 0.16 (AA); 0.36 (Aa); 0.48 (aa) Ans. (3)
  9. Match the following organisms with their respective characteristics :- (a)Pila (i) Flame cells (b)Bombyx (ii) Comb plates (c)Pleurobrachia (iii) Radula (d)Taenia (iv) Malpighian tubules Select the correct option from the following (a) (b) (c) (d) (1) (iii) (ii) (i) (iv) (2) (iii) (iv) (ii) (i) (3) (ii) (iv) (iii) (i) (4) (iiii) (ii) (iv) (i) Ans. (2)
  10. The shorter and longer arms of a submetacentric chromosome are referred to as :- (1) s-arm and l-arm respectively (2) p-arm and q-arm respectively (3) q-arm and p-arm respectively (4) m-arm and n-arm respectively Ans. (2)
  11. What is the site of perception of photoperiod necessary for induction of flowering in plants :- (1) Lateral buds (2) Pulvinus (3) Shoot apex (4) Leaves Ans. (4)

ALLEN

Final NEET(UG)-2019 Exam/05-05-

  1. Use of an artificial kidney during hemodialysis may result in : (a) Nitrogenous waste build-up in the body (b) Non-elimination of excess potassium ions (c) Reduced absorption of calcium ions from gastro- intestinal tract (d) Reduced RBC production Which of the following options is the most appropiate? (1) (a) and (b) are correct (2) (b) and (c) are correct (3) (c) and (d) are correct (4) (a) and (d) are correct Ans. (3)
  2. What is the direction of movement of sugars in phloem? (1) Non-multidirectional (2) Upward (3) Downward (4) Bi-directional Ans. (4)
  3. Which of the following muscular disorders is inherited? (1) Tetany (2) Muscular dystrophy (3) Myasthenia gravis (4) Botulism Ans. (2)
  4. Consider following features: (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentation of body Select the correct option of animal groups which possess all the above characteristics. (1) Annelida, Arthropoda and Chordata (2) Annelida, Arthropoda and Mollusca (3) Arthropoda , Mollusca and Chordata (4) Annelida, Mollusca and Chordata Ans. (1)
  5. The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by : (1) T.H. Morgan (2) Gregor J. Mendel (3) Alfred Sturtevant (4) Sutton Boveri Ans. (3)
  6. Following statements describe the characteristics of the enzyme Restriction endonuclease. Identify the incorrect statement. (1) The enzyme cuts DNA molecule at identified position within the DNA (2) The enzyme binds DNA at specific sites and cuts only one of the two strands. (3) The enzyme cuts the sugar-phosphate backbone at specific sites on each strand. (4) The enzyme recognizes a specific palindromic nucleotide sequence in the DNA Ans. (2)
  7. Which of the following statements is incorrect? (1) Morels and truffles are edible delicacies. (2)Claviceps is a source of many alkaloids and LSD. (3) Conidia are produced exogenously and ascospores endogenously. (4) Yeasts have filamentous bodies with long thread- like hyphae. Ans. (4)
  8. Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is : (1) Basal (2) Axile (3) Parietal (4) Free central Ans. (3)
  9. Which of the following is the most important causes for animals and plants being driven to extinction? (1) Habitat loss and fragmentation (2) Drought and floods (3) Economic exploitation (4) Alien species invasion Ans. (1)
  10. Variations caused by mutation, as proposed by Hugo de Vries, are (1) random and directional (2) random and directionless (3) small and directional (4) small and directionless Ans. (2)
  11. Respiratiory Quotient (RQ) value of tripalmitin is : (1) 0.9 (2) 0. (3) 0.07 (4) 0. Ans. (2)

ALLEN

CODE - P

  1. InAntirrhinum (Snapdragon), a red flower was crossed with a white flower and in F 1 generation, pink flowers were obtained. When pink flowers were selfed, the F 2 generation showed white, red and pink flowers. Choose the incorrect statement from the following : (1) This experiment does not follow the Principle of Dominance (2) Pink colour in F 1 is due to incomplete dominance.

(3) Ratio of F 2 is 14 (Red) : 24 (Pink): 14 (White)

(4) Law of Segregation does not apply in this experiment.

Ans. (4)

  1. Select the incorrect statement. (1) Male fruit fly is heterogametic. (2) In male grasshoppers, 50% of sperms have no sex-chromosome. (3) In domesticated fowls sex of progeny depends on the type of sperm rather than egg. (4) Human males have one of their sex-chromosome much shorter than the other. Ans. (3)
  2. The correct sequence of phases of cell cycle is :

(1) M® G 1 ® G 2 ® S (2) G 1 ® G 2 ® S® M (3) S® G 1 ® G 2 ® M (4) G 1 ® S ® G 2 ® M Ans. (4)

  1. Thiobacillus is a group of bacteria helpful in carrying out : (1) Nitrogen fixation (2) Chemoautotrophic fixation (3) Nitrification (4) Denitrification Ans. (4)
  2. Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for: (1) making plastic sacks (2) use as a fertilizer (3) construction of roads (4) making tubes and pipes

Ans. (3)

  1. From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in : (1) Liverworts (2) Mosses (3) Pteridophytes (4) Gymnosperms Ans. (3)
  2. Select the correct option. (1) 8 th, 9th^ and 10th^ pairs of ribs articulate directly with the sternum. (2) 11th^ and 12th^ pairs of ribs are connected to the sternum with the help of hyaline cartilage. (3) Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum. (4) There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs. Ans. (4)
  3. Concanavalin A is : (1) an alkaloid (2) an essential oil (3) a lectin (4) a pigment Ans. (3)
  4. Extrusion of second polar body from egg nucleus occurs : (1) after entry of sperm but before fertilization (2) after fertilization (3) before entry of sperm into ovum (4) simultaneously with first cleavage Ans. (1)
  5. Pinus seed cannot germinate and establish without fungal association. This is because : (1) its embryo is immature (2) it has obligate association with mycorrhizae. (3) it has very hard seed coat. (4) its seeds contain inhibitors that prevent germination. Ans. (2)
  6. The Earth Summit held in Rio de Janeiro in 1992 was called : (1) to reduce CO 2 emissions and global warming. (2) for conservation of biodiversity and sustainable utilization of its benefits. (3) to assess threat posed to native species by invasive weed species. (4) for immediate steps to discontinue use of CFCs that were damaging the ozone layer. Ans. (2)

ALLEN

CODE - P

  1. Consider the following statements : (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the correct option. (1) Both (A) and (B) are true. (2) (A) is true and (B) is false. (3) Both (A) and (B) are false. (4) (A) is false and (B) is true. Ans. (3)
  2. Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to : (1) benign growth on mucous lining of nasal cavity. (2) inflammation of bronchi and bronchioles. (3) proliferation of fibrous tissues and damage of the alveolar walls. (4) reduction in the secretion of surfactants by pneumocytes. Ans. (2)
  3. Which one of the following statements regarding post-fertilization development in flowering plants is incorrect? (1) Ovary develops into fruit (2) Zygote develops into embryo (3) Central cell develops into endosperm (4) Ovules develop into embryo sac Ans. (4)
  4. Phloem in gymnosperms lacks : (1) Albuminous cells and sieve cells (2) Sieve tubes only (3) Companion cells only (4) Both sieve tubes and companion cells Ans. (4)
  5. It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield? (1) Auxin and Ethylene (2) Gibberellin and Cytokinin (3) Gibberellin and Abscisic acid (4) Cytokinin and Abscisic acid Ans. (1)
  6. Persistent nucellus in the seed is known as : (1) Chalaza (2) Perisperm (3) Hilum (4) Tegmen Ans. (2)
  7. Cells in G 0 phase: (1) exit the cell cycle (2) enter the cell cycle (3) suspend the cell cycle (4) terminate the cell cycle Ans. (1)
  8. Match Column - I with Column - II. Column - I Column - II (a) Saprophyte (i) Symbiotic association of fungi with plant roots (b) Parasite (ii) Decomposition of dead organic materials (c) Lichens (iii) Living on living plants or animals (d) Mycorrhiza (iv) Symbiotic association of algae and fungi Choose the correct answer from the options given below : (a) (b) (c) (d) (1) (i) (ii) (iii) (iv) (2) (iii) (ii) (i) (iv) (3) (ii) (i) (iii) (iv) (4) (ii) (iii) (iv) (i) Ans. (4)
  9. Which would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL? (1) 50 beats per minute (2) 75 beats per minute (3) 100 beats per minute (4) 125 beats per minute Ans. (3)
  10. What triggers activation of protoxin to active Bt toxin ofBacillus thuringiensis in boll worm? (1) Body temperature (2) Moist surface of midgut (3) Alkaline pH of gut (4) Acidic pH of stomach Ans. (3)

ALLEN

Final NEET(UG)-2019 Exam/05-05-

  1. The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in : (1) Bile duct and Bronchioles (2) Fallopian tubes and Pancreatic duct (3) Eustachian tube and Salivary duct (4) Bronchioles and Fallopian tubes

Ans. (4)

  1. Which of the statements given below is not true about formation of Annual Rings in trees? (1) Annual ring is a combination of spring wood and autumn wood produced in a year. (2) Differential activity of cambium causes light and dark bands of tissue - early and late wood respectively (3) Activity of cambium depends upon variation in climate. (4) Annual rings are not prominent in trees of temperate region.

Ans. (4)

  1. What is the fate of the male gametes discharged in the synergid? (1) One fuses with the egg, other(s) degenerate(s) in the synergid. (2) All fuse with the egg. (3) One fuses with the egg, other(s) fuse(s) with synergid nucleus. (4) One fuses with the egg and other fuses with central cell nuclei.

Ans. (4)

  1. Match the following genes of the Lac operon with their respective products. (a) i gene (i) b-galactosidase (b) z gene (ii) Permease (c) a gene (iii) Repressor (d) y gene (iv) Transacetylase Select the correct option. (a) (b) (c) (d) (1) (i) (iii) (ii) (iv) (2) (iii) (i) (ii) (iv) (3) (iii) (i) (iv) (ii) (4) (iii) (iv) (i) (ii)

Ans. (3)

  1. Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth: (1) Pharynx ® Oesophagus ® Crop ® Gizzard ® Ileum ® Colon ® Rectum (2) Pharynx ® Oesophagus ® Gizzard ® Crop ® Ileum ® Colon ® Rectum (3) Pharynx ® Oesophagus ® Gizzard ® Ileum ® Crop ® Colon ® Rectum (4) Pharynx ® Oesophagus ® Ileum ® Crop ® Gizzard ® Colon ® Rectum Ans. (1)
  2. Match the hominids with their correct brain size : (a)Homo habilis (i) 900 cc (b)Homo neanderthalensis (ii) 1350 cc (c)Homo erectus (iii) 650-800 cc (d)Homo sapiens (iv) 1400 cc Select the correct option. (a) (b) (c) (d) (1) (iii) (i) (iv) (ii) (2) (iii) (ii) (i) (iv) (3) (iii) (iv) (i) (ii) (4) (iv) (iii) (i) (ii) Ans. (3)
  3. Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid. (1)Plasmodium vivax/UTI test. (2)Streptococcus pneumoniae/Widal test (3)Salmonella typhi/Anthrone test (4)Salmonella typhi/Widal test Ans. (4)
  4. How does steroid hormone influence the cellular activities? (1) Changing the permeability of the cell membrane. (2) Binding to DNA and forming a gene-hormone complex. (3) Activating cyclic AMP located on the cell membrane. (4) Using aquaporin channels as second messenger. Ans. (2)
  5. Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL? (1) 1500 mL (2) 1700 mL (3) 2200 mL (4) 2700 mL Ans. (1)