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AIIMS 2017Previous Year

Question No. : 01

Match column I with column II and choose the correct option

Column-I Column-II

(a) Family (i) tuberosum

(b) Kingdom (ii) Polymoniales

(c) Order (iii) Solanum

(d) Species (iv) Plantae

(e) Genus (v) Solanaceae

(A) a-(iv) b- (iii) c-(v) d-(iv) (e)-(i)

(B) a-(v) b- (iv) c-(ii) d-(i) (e)-(iii)

(C) a-(iv) b-(v) c-(ii) d-(i) (e)-(iii)

(D) a-(v) b-(iii) c-(ii) d-(i) (e)-(iv)

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Question No. : 02

Consider the following statements regarding the major pigments and stored

food in the different groups of algae and choose the correct option

(i) In chlorophyceae, the stored food material is starch and the major

pigments are chlorophyll-a and b.

(ii) In phaeophyceae, laminarian is the stored food and major pigments are

chlorophyll-a and b

(iii) In rhodophyceae, floridean starch is the stored food and the major

pigments are chlorophyll-a, d and phycoerythrin

(A) (i) is correct, but (ii) and (iii) are incorrect

(B) (i) and (ii) are correct, but (iii) is incorrect

(C) (i) and (iii) are correct, but (ii) is incorrect

(D) (iii) is correct, but (i) and (ii) are incorrect.

Question No. : 03

Column-I contains organisms and column-II contains their excretory structures.

Choose the correct match form the options given below

Column I Column II

(Organism) (Excretory structures)

(a) Cockroach (I) Nephridia

(b) Cat fish (II) Malpighian tubules

(c) Earthworm (III) Kidneys

(d) Balanoglossus (IV) Flame cells

(e) Flatworm (V) Proboscis gland

(A) A – I; B – III; C – II; D – IV; E – V

(B) A – III; B – I; C – II; D – V; E – IV

(C) A – II; B – I; C – III; D – V; E – IV

(D) A – II; B – III; C – I; D – V; E – IV

Question No. : 04

In which one of the

following the genus

Question No. : 05

Nucleotides are building blocks of nucleic acids.

Each nucleotide is a composite molecule formed by

(A) base-sugar-phosphate

(B) base-sugar-OH.

(C) (base-sugar-phosphate)n

(D) sugar-phosphate.

Question No. : 06

Match the description (given in column I) with correct stage of prophase I

(given column II) and choose the correct option.

Column I Column II

a. Chromosomes are moved I. Pachytene to spindle equator

b. Centromere splits and II. Zygotene chromatids move apart

c. Pairing between homologous III. Anaphase chromosomes takes place

d. Crossing between IV. Metaphase homologous chromosomes

(A) a – I; b – II; c – III; d – IV

(B) a – II; b – III; c – IV; d – I

(C) a – IV; b – III; c – II; d – I

(D) a – III; b – I; c – IV; d – II

Question No. : 07

Refer the given equation and answer the question.

2(C51H98O6) + 145O2 → 102CO2 + 98H2O +

Energy

The R.Q of above reaction is

(A) 1 (B) 0.7

(C) 1.45 (D) 1.62.

Question No. : 08

In a practical test, a student has to identify the organisms in

which syngamy does not occur. In those organisms the female

gamete undergoes development to form new organisms without

fertilization. This phenomenon is called “X”. Identify the

organisms and the phenomenon “X”.

(A) Frog, Parthenogenesis

(B) Lizards, Gametogenesis

(C) Rotifers, Embryogenesis

(D) Honeybee, Parthenogenesis

Question No. : 09

The given figure

represents the cross

bridge cycle in skeletal

muscle. What does the

step B in the figure

represents?

(A) Attachment of myosin head to actin forming cross

bridge.

(B) Release of phosphate. Myosin changes shape to pull

actin.

(C) Attachment of new ATP to myosin head. The cross

bridge detaches.

(D) Splitting of ATP into ADP and Pi. Myosin cocks into

its high energy conformation.

Question No. : 10

The figure given below shows the sectional view of

ovary. Select the option which gives correct

identification of marked structure (A to D) and its

feature.

(A) A: Primary follicle, it is also called gamete

(B) B: Corpus luteum, it cannot be formed and added

after birth

(C) C: Graafian follicle, mature follicle which

ruptures to release secondary follicle.

(D) D: Tertiary follicle, a large number of this mother

cell degenerates during the phase from birth to

puberty

Question No. : 11

Select the correct match of the techniques given in column I with its feature

given in column II.

Column I Column II

a. ICSI I. Artificially introduction of semen into the vagina or

uterus.

b. IUI II. Transfer of ovum collected from a donor into the

fallopian tube where fertilization occur

c. IUT III. Formation of embryo by directly injecting sperm

into the

d. GIFT IV. Transfer of the zygote or early embryo (with upto 8

blastomeres) into a fallopian tube.

e. ZIFT V. Transfer of embryo with more than 8 blastomeres

into the uterus

(A) a – V; b – IV; c – I; d – III; e – IV

(B) a – I; b – II; c – III; d – IV; e – V

(C) a – III; b – V; c – II; d – IV; e – I

(D) a – III; b – I; c – V; d – II; e – IV.

Question No. : 12

The given figure shows the structure of ne

with their parts labelled as A, B&C. Identify

A, B and C.

(A) A – DNA; B – H1 histone; C – Histone

octamer

(B) A – H1 histone; B – DNA; C – Histone

octamer

(C) A – Histone octamer; B – RNA; C – H1

histone

(D) A – RNA; B – H1 histone; C – Histone

octamer.

Question No. : 13

Match the codons given incolumn I with their respective amino acids given in

column II and choose the correct answer.

Column -I Column -II

(Codons) (Amino acids)

a. UUU I. Serine

b. GGG II. Methionine

c. UCU III. Phenylalanine

d. CCC IV. Glycine

e. AUG V. Proline

(A) a – III; b – IV; c – I; d – V; e – II

(B) a – III; b – I; c – IV; d – V; e – II

(C) a – III; b – IV; c – V; d – I; e – II

(D) a – II; b – IV; c – I; d – V; e – III

Question No. : 14

According to Hardy-Weinberg principle, allele and genotype

frequencies in a population will remain constant from generation

to generation in the absence of other evolutionary influences. It

makes several assumptions which were given below

i. Random Mating

ii. Sexual Reproduction

iii. Non-overlapping Generations

iv. Occurrence of Natural Selection

v. Small size of population

Identify two assumptions which do not meet for a

population to reach Hardy-Weinberg Equilibrium?

(A) iv and v

(B) ii and iv

(C) iii, iv and v

(D) i, ii and iii.

Question No. : 15

Which one of the following statement regarding BOD is true?

(A) The greater the BOD of’ waste water, more is its polluting

potential.

(B) The greater the BOD of waste water, less is its polluting

potential.

(C) The lesser the BOD of waste water, more is its polluting

potential

(D) The lesser the BOD of waste water, less is its polluting

potential.

Question No. : 16

Which of the following statement is not correct about cloning vector?

(A) ‘Ori’ is a sequence responsible for controlling the copy number of

the linked DNA

(B) Selectable marker selectively permitting the growth of the non-

transformants .

(C) In order to link the alien DNA, the vector needs to have single

recognition site for the commonly used restriction enzymes.

(D) The ligation of alien DNA is carried out at a restriction site present

in one of the two antibiotic resistance genes.

Question No. : 17

Biodiversity loss occurs due to the reasons given in below

(i) Habitat loss and fragmentation

(ii) Co-extinction

(iii) Over-exploitation

(iv) Alien species invasion

Identify the correct reasons

(A) (i) and (ii) (B) (i). (ii)and (iii

(C) (ii). (iii) and (iv) (D) All of the above

Question No. : 18

Euro II norms stipulate that sulphur be controlled

at _____ ppm in diesel and ______ppm in petrol.

(A) 350;150

(B) 150;350

(C) 350;250

(D) 150;250.

Question No. : 19

Which of the following is a modified stem for the

protection of plants from browsing animals?

(A) Tendrils

(B) Thorns

(C) Rhizome

(D) Tuber

Question No. : 20

Which of the following was most similar to

modern man?

(A) Java man

(B) Neanderthalman

(C) Homo habilis

(D) Cro-Magnon man

Question No. : 21

Explant is required to be disinfected before

placing in culture. This is done by

(A) autoclaving

(B) ultra-violet rays

(C) clorax or-hypochlorite

(D) X-rays.

Question No. : 22

Which of the following is a viral disease of

poultry birds?

(A) Anthrax

(B) Ranikhet

(C) Coccidiosis

(D) None of these.

Question No. : 23

The free-living fimgus Trichoderma can be used

(A) killing insects

(B) biological control of plant diseases

(C) controlling butterfly caterpillars

(D) producing antibiotics

Question No. : 24

In Urn shaped age pyramid of the population the

trend of growth is

(A) Rapid

(B) Stable

(C) Declining

(D) Stationary.

Question No. : 25

Arrange the following ecosystems in increasing order of mean

NPP (Tonnes/ha/year)

a. Tropical deciduous forest

b. Temperate coniferous forest

c. Tropical rain forest

d. Temperate deciduous forest

(A) b < a < d < c

(B) d < b < a < c

(C) a < c < d < b

(D) b < d < a < c.

Question No. : 26

Fungi are filamentous with the exception of “X”

which is unicellular. Identify X

(A) Yeast

(B) Albugo

(C) Mucor

(D) Lichen

Question No. : 27

Which of the following statements is not correct for

viruses?

(A) Viruses are obligate parasites

(B) Viruses can multiply only when they are inside the

living cells

(C) Viruses cannot pass through bacterial filters.

(D) Viruses are made up of protein and DNA or

RNA(never both DNA and RNA)

Question No. : 28

Which of the following statements regarding

cyanobacteria is incorrect?

(A) It is also called blue green algae

(B) They are chemosynthetic autotrophs

(C) It forms blooms in polluted water bodies.

(D) It is unicellular, colonial or filamentous,

marine or terrestrial bacteria.

Question No. : 29

Leaves of dicotyledonous plants possess ....... venation,

while ....... venation is the characteristic of most

monocotyledons

(A) reticulate and parallel

(B) parallel and reticulate

(C) reticulate and perpendicular

(D) obliquely and parallel.

Question No. : 30

In stems, the protoxylem lies towards the .......

and the metaxylem lies towards the ....... of the

(A) centre; periphery

(B) periphery; centre

(C) periphery; periphery

(D) centre; centre.

Question No. : 31

Male cockroach can be identified from the female

by the presence of

(A) long antennae

(B) wingless body

(C) elongated abdomen

(D) anal styles

Question No. : 32

The sensory papillae in frogs are associated with

(A) smell

(B) hearing

(C) respiration

(D) touch

Question No. : 33

In earthworms setae are present in all segments except

(A) first and the last segments

(B) first segment and the clitellum

(C) first segment, last and clitellum segment

(D) clitellum and last segments.

Question No. : 34

Which of the following statements is/are not incorrect?

(i) Water and minerals. and food are generally moved by a mass or bulk flow

system. positive hydrostatic pressure gradient or a negative hydrostatic

pressure gradient.

(ii) Bulk flow can be achieved either through a positive hydrostatic pressure

gradient or a negative hydrostatic pressure gradient.

(iii) The bulk moemet of substances through the conducting tissues of plants is

called translocation

(iv) Xylem translocates organic and inorganic solutes, mainly from roots to the

aerial parts of the plants.

(v) Phloem translocates water, mineral salts,some organic nitrogen and

hormones, from the leaves to other parts of the plants.

(A) (ii), (iii) and (v)

(B) (ii), (iii) and (iv)

(C) (iv) and (v)

(D) (ii) and (v).

Question No. : 35

In alcoholic fermentation, NAD is produced

during the

(A) reduction of acetyldehyde to ethanol.

(B) oxidation of glucose

(C) oxidation of pyuvate to acetyl

(D) hydrolysis of ATP to ADP

Question No. : 36

Which of the following statement is true?

(A) Pepsin cannot digest casein

(B) Trypsin can digest collagen

(C) Pepsin cannot digest collagen

(D) Chymotrypsin cad digest casein

Question No. : 37

Human immuno deficiency virus (HIV) has a

protein coat and a genetic material which is

(A) Single stranded DNA.

(B) Single stranded RNA.

(C) Double stranded RNA.

(D) Double stranded DNA.

Question No. : 38

Which one of the following pairs of diseases is

viral as well as transmitted by mosquitoes?

(A) Elephantiasis and dengue

(B) Yellow fever and sleeping sickness

(C) Encephalitis and sleeping sickness

(D) Yellow fever and dengue.

Question No. : 39

Which variety of rice was patented by a U.S.

company even though the highest number of varieties

of this rice is found in India?

(A) Sharbati Sonara

(B) Co-667

(C) Basmati

(D) Lema Roja

Question No. : 40

Which of the following hormone acts upon the

renal tubule and blood capillaries?

(A) Glucagon

(B) Aldosterone

(C) Vasopressin

(D) Glucocorticoids

Question No. : 01

Recognise the figure and find out the correct matching

(A) a-G1, b-S, c-G2, d-M, e-germ cells

(B) a-G1, b-G2, c-meiosis I metaphase, d-meiosis II

metaphase, e-germ cells

(C) a-G1, b-G2, c-meiosis I prophase, d-meiosis II

prophase, e-meiosis II telophase

(D) a-G1, b-G2, c-meiosis I anaphase, d-meiosis II

anaphase, e-germ cells

Question No. : 02

Recognise the figure and find

out the correct matching

(A) a-37.2%, b-62.8%, c-1.3%,

d-98.7%

(B) b-37.2%, a-62.8%, d-

1.3%, c-98.7%

(C) c-37.2%, d-62.8%, a-1.3%,

b-98.7%

(D) d-37.2%, c-62.8%, b-1.3%,

a-98.7%.

Question No. : 03

Recognise the figure and find out the

correct matching

(A) a-male Drosophila, b-female

Drosophila

(B) a-female Drosophila, b-male

Drosophila

(C) a-male butterfly, b-female

butterfly

(D) a-female butterfly, b-male

butterfly

Question No. : 04

The following figure shows

(A) Independent assortment of

(B) Linkage

(C) Chromosomal theory of sex

determination

(D) Independent segregation of

Question No. : 05

(A) a-male, b-female

(B) a-female, b-male

(C) Can't be predicted

(D) Both A and B are possible

Question No. : 06

In this pedigree, which of the progeny is younger

(D) 1.

Question No. : 07

(A) a-3, b-1, c-2, d-5, e-4

(B) a-2, b-1, c-6, d-3, e-4

(C) a-3, b-4, c-1, d-5, e-2

(D) a-3, b-1, c-6, d-5, e-4.

Question No. : 08

(A) c-Glu, d-Val, a-normal Hb (A) gene, b-sickle cell Hb

(S) gene

(B) c-Glu, d-Val, b-normal Hb (A) gene, a-sickle cell

Hb (S) gene

(C) d-Glu, c-Val, a-normal Hb (A) gene, b-sickle cell

Hb (S) gene

(D) c-Glu, d-Val, b-normal Hb (A) gene, a-sickle cell

Hb (S) gene

Question No. : 09

(A) a-Down's syndrome, c-Klinfelter's syndrome, b-

Turner's syndrome

(B) c-Down's syndrome, a-Klinfelter's syndrome, b-

Turner's syndrome

(C) b-Down's syndrome, c-Klinfelter's syndrome, a-

Turner's syndrome

(D) c-Down's syndrome, b-Klinfelter's syndrome, a-

Turner's syndrome.

Question No. : 10

The chromosomal pattern of individual is shown here.

This individual is suffers from

(A) Down's syndrome

(B) Turner's syndrome

(C) Klinefelter's syndrome

(D) Edward's syndrome

Question No. : 11

Study of pedigree chart. What does it show

(A) Inheritance of a condition like

phenylketonuria as an autosom`al

recessive trait

(B) Inheritance of a recessive sex-linked

disease like haemophilia

(C) Inheritance of sex-linked inborn error of

metabolism like phenylketonuria

(D) Pedigree chart is wrong as this is not

possible.

Question No. : 12

Which one of the following symbols and is representation, used in

human pedigree analysis is correct

Question No. : 13

Study the pedigree chart of certain family

given here and select the correct conclusion

(A) The female parent is heterozygous

(B) The parents could not have had a

normal daughter for this character

(C) The trait under study could not be

colour blindness

(D) The male parent is homozygous

dominant.

Question No. : 14

What is the example of sex-linked disorder

(A) Phenylkutonuria

(B) Sickle cell anaemia

(C) Haemophilia

(D) Thalassemia.

Question No. : 15

In the following human pedigree, the filled symbols represent

the affected individuals. Identify the type of given pedigree

(A) X-linked recessive

(B) Autosomal recessive

(C) X-linked dominant

(D) Autosomal dominant.

Question No. : 16

Given below is a pedigree chart of a family

with five children. It shows the inheritance

of attached earlobes as opposed to the free

one s. The square s represent the male

individuals and circles the female

individuals. Which one of the following

conclusions drawn is correct?

(A) The parents are homozygous recessive

(B) The trait is Y-linked.

(C) The parents are homozygous dominant

(D) The parents are heterozygous.

Question No. : 17

Given below is a highly simpl ified repre

sentat ion of the human sex chromosomes

from a karyotype. The genes a & b could be of

(A) Colour blindness and body height

(B) Attached ear lobe and Rhesus blood

(C) Haemophilia and red-green colour

blindness

(D) Phenylketonuria and haemophilia.

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