JIPMER MBBS Question Papers

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JIPMER MBBS Entrance Exam question paper

Zoology

1. Gel electrophoresis is used for

(a) cutting of DNA into fragments
(b) separation of DNA fragments according to their size
(c) construction of recombinant DNA by joining with cloning vectors
(d) isolation of DNA molecule

2. Polysome is formed by

(a) several ribosomes attached to a single mRNA
(b) many ribosomes attached to a strand of endoplasmic reticulum
(c) a ribosome with several sub-units
(d) ribosomes attached to each other in a linear arrangement

3. Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

(a) Neutrophils
(b) Basophils
(c) Eosinophils
(d) Monocytes

4. Which one of the following in birds, indicates, their reptilian ancestry?

(a) Scales on their hindlimbs
(b) Four-chambered heart
(c) Two special chambers crop and gizzard in their digestive tract
(d) Eggs with a calcareous shell

5. Select incorrect pair

(a) Porifera – Choanocytes
(b) Coelenterata – Nematocysts
(c) Annelida – Segmentation
(d) Monera – Eukaryote

6. Bilateral symmetry, metameric segmentation, coelom and open circulatory system are the features of

(a) Annelida
(b) Arthropoda
(c) Mollusca
(d) Echinodermata

7. Ancestor of man who first stood erect was

(a) Australopithecus
(b) Cro-magnon
(c) Java-ape man
(d) Peaking man

8. Core zone, buffer zone and manipulation zone. are found in

(a) national park
(b) sanctuary
(c) tiger reserve
(d) biosphere reserve

9. Which insecticide is more hazardous to human health?

(a) Rotenone
(b) Pyrethrum
(c) DDT
(d) Humulin

10. Universal donor is

(a) O Rh+*
(b) O Rh–*
(c) AB Rh+*
(d) AB Rh–

11. One of these is not concerned with wildlife conservation

(a) IVF
(b) IUCN
(c) WWF
(d) IBWL

12. Largest tiger population is found in

(a) Sunderban national park
(b) Corbett national park
(c) Ranthambhor national park
(d) Kanha national park

13. Genetic material found in human Immunodeficiency Virus (HIV) is

(a) double stranded RNA
(b) single stranded RNA
(c) double stranded DNA
(d) single stranded DNA

14. Gigantism and acromegaly are due to

(a) hypothyroidism
(b) hyperthyroidism
(c) hypopituitarism
(d) hyperpituitarism

15. If a child is of 0 blood group and his father is of B blood group, the genotype of father is

(a) IO IO
(b) IA IB
(c) IO IB
(d) IO IA

16. Spermatogenesis is under the regulatory influence of

(a) ADH
(b) FSH
(c) LH
(d) STH

17. Which of the following can be controlled by using biopesticides?

(a) Insects
(b) Diseases
(c) Weeds
(d) All of these

18. Which hormone is secreted in a woman if pregnancy has occurred?

(a) Estrogen
(b) Progesterone
(c) Luteinizing hormone
(d) Human chorionic gonadotropin

19. Product of biotechnology is

(a) transgenic crops (GM crops)
(b) humulin
(c) biofertilizer
(d) All of the above

20. Phase common in aerobic and anaerobic respiration is

(a) Krebs’ cycle
(b) glycolysis
(c) glycogenolysis
(d) ETS

21. Oxyntic cells secrete

(a) HCI
(b) trypsin
(c) NaOH
(d) pepsinogen

22. Menstruation is due to sudden

(a) reduction of FSH
(b) increase of LH
(c) reduction in estrogen and progesterone
(d) None of the above

23. Correctly matched set of phylum, class and example is

(a) Protozoa-Mastigophora-Entamoeba
(b) Mollusca=-Bivalvia-c-Pmcrcdc
(c) Arthropoda-Diplopoda-Scolopendra
(d) Chordata-Cyclostomata-Phrynosoma

24. Urea synthesis occurs in

(a) kidney
(b) liver
(c) brain
(d) muscles

25. Which is common to kidney and skeleton in mammals?

(a) Cortex
(b) Medulla
(c) Pelvis
(d) Radius

26. Which is regarded as urinary bladder of embryo?

(a) Amnion
(b) Allantois
(c) Chorion
(d) Yolk sac

27. Deficiency of vitamin -B12 causes

(a) cheilosis
(b) thalassemia
(c) beri-beri
(d) pernicious anaemia

28. Blood is a kind of

(a) areolar tissue
(b) connective tissue
(c) fluid connective tissue
(d) reticular connective tissue

29. Which of these is used• to control human population?

(a) Estrogen + progesterone
(b) IUCD and MTP
(c) Tubectomy and vasectomy
(d) All of the above

30. Addiction to alcohol causes

(a) cirrhosis
(b) epilepsy
(c) neurosis
(d) psychosis

31. The most primitive vertebrates are

(a) ostracoderms
(b) cephalochordates
(c) placoderms
(d) cyclostomes

32. Change in the number of body parts is called

(a) continuous variation
(b) discontinuous variation
(c) meristic variation
(d) substantive variation

33. Which has an additional X-chromosome?

(a) Turner’s syndrome
(b) Klinefelter’s syndrome
(c) Super female
(d) Down’s syndrome

34. Origin of life occurred in

(a) Precambrian
(b) Coenozoic
(c) Palaeozoic
(d) Mesozoic

35. Branch of zoology dealing with the study of fishes is called

(a) Arthrology
(b) Ichthyology
(c) Saurology
(d) herpetology

36. Theory of continuity of germplasm was propounded by

(a) Mendel
(b) Lamarck
(c) Weismann
(d) Haeckel

37. Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?

(a) Chorion
(b) Allantois
(c) Yolk sac
(d) Amnion

38. The most active phagocytic white blood cells are

(a) neutrophils and eosinophils
(b) lymphocytes and macrophages
(c) eosinophils and lymphocytes
(d) neutrophils and monocytes

39. During the propagation of a nerve impulse, the action potential results from the movement of

(a) K+ ions from extracellular fluid to intracellular fluid
(b) Na+ ions from intracellular fluid to extracellular fluid
(c) K+ ions from intracellular fluid to extracellular fluid
(d) Na+ ions from extracellular fluid to intracellular fluid

40. Darwin’s finches are an excellent example of

(a) adaptive radiation
(b) seasonal migration
(c) brood parasitism
(d) connecting links
Botany

1. In which one of the following, the male and female gametophytes don’t have free-living independent existence?

(a) Pteris
(b) Funaria
(c) Polytrichum
(d) Cedrus

2. A transgenic food crop, which may help in solving the problem of nightblindness in developing countries is

(a) Flavr savr tomatoes
(b) Starlink maize
(c) Bt soyabean
(d) Golden rice

3. Vascular tissues in flowering plants develop from

(a) phellogen
(b) plerome
(c) periblem
(d) dermatogen

4. Nitrogen-fixation in root nodules of Alnus is brought about by

(a) Bradyrhizobium
(b) Clostridium
(c) Frankia
(d) Azorhizobium

5. A mature pollen grain of Pinus has

(a) 2 cells
(b) 3 cells
(c) 4 cells
(d) 5 cells

6. Polyploidy can be induced by the application of

(a) auxin
(b) kinetin
(c) colchicine
(d) ethylene

7. Quantasome are present in

(a) chloroplast
(b) mitochondria
(c) Golgi body
(d) lysosome

8. In mitochondria, enzyme cytochrome oxidase is present in

(a) outer membrane
(b) perimitochondrial space
(c) inner membrane
(d) matrix

9. Which of the following bio-engineered bacteria is utilized for cleaning of marine oil slicks?

(a) Escherichia coli
(b) Pseudomonas syringae
(c) Pseudomonas putida
(d) Rhizoctonia solani

10. Green potatoes are toxic due to

(a) phytoalexins
(b) solanin
(c) triazine
(d) hormones

11. Cells obtained from cancerous tumours are known as

(a) hybridomas
(b) myelomas
(c) lymphocytes
(d) monoclonal cells

12. The plant of Triticum aestivum is

(a) haploid
(b) diploid
(c) tetraploid
(d) hexaploid

13. Which of the following is a total root parasite?

(a) Cuscuta
(b) Rafflesia
(c) Santalum
(d) Monotrapa

14. Which of the following tissues consist of living cells?

(a) Vessels
(b) Tracheids
(c) Companion cell
(d) Sclerenchyma

15. Which is a useful product of epidermal origin?

(a) Saffron
(b) Cotton fibres
(c) Clove
(d) Jute

16. Fern spores are usually

(a) haploid
(b) diploid
(c) triploid
(d) tetraploid

17. When pollen tube enters through micropyle, the process is called

(a) porogamy
(b) chalazogamy
(c) mesogarny
(d) apogamy

18. Outer wall of pollen grain is made up of

(a) cellulose
(b) sporopollenin
(c) pectocellulose
(d) lignin

19. Nucleotides are formed by

(a) purine, sugar and phosphate
(b) purine, pyrimidine and phosphate
(c) purine, pyrimidine sugar and phosphate
(d) pyrimidine, sugar and phosphate

20. DNA replication occurs in

(a) G1-phase
(b) S-phase
(c) G2-phase
(d) M-phase

21. Which of the following plant cells is not surrounded by a cell wall?

(a) Root hair cell
(b) Stem hair cell
(c) Gamete cell
(d) Bacterial cell

22. Which of the following cell organelles stores hydrolytic enzymes?

(a) Centriole
(b) Lysosome
(c) Chromoplast
(d) Chloroplast

23. A monocarpic plant is one, which

(a) has only one carpel
(b) flowers once in a life-time
(c) produces only one seed
(d) produces only one fruit

24. AIDS virus contains

(a) RNA with protein
(b) DNA with protein
(c) DNA without protein
(d) bNA only

25. Calyptra develops from

(a) venter wall of archegonium
(b) outgrowth of gametophyte
(c) neck wall of archegonium
(d) paraphysis of the archegonial branch

26. Protonema is the stage in the life cycle of

(a) Cycas
(b) Funaria
(c) Selaginella
(d) Mucor

27. A fern differs from a moss in having

(a) swimming archegonia
(b) swimming antherozoids
(c) independent gametophytes
(d) independent sporophytes

28. Female cone of Pinus is a

(a) modified needles
(b) modified long shoot
(c) modified dwarf shoot
(d) modified scale

29. Development of an embryo without fertilization is called as

(a) apomixis
(b) polyembryony
(c) parthenocarpy
(d) parthenogenesis

30. Which of the following floral parts forms pericarp after fertilization?

(a) Nucellus
(b) Outer integument
(c) Ovary wall
(d) Inner integument

31. Prothallus of the fern produces

(a) spores
(b) gametes
(c) Both (a) and (b)
(d) cones

32. Which of the following cell organelles is associated with photorespiration?

(a) Mitochondria
(b) Peroxysome
(c) Chloroplast
(d) All of these

33. The thickness of unit membrane is

(a) 20 Ao
(b) 35 Ao
(c) 55 Ao
(d) 75 Ao

34. Chromosomes are arranged along the equator during

(a) prophase
(b) metaphase
(c) anaphase
(d) telophase

35. Width of the DNA molecule is

(a) 15 Ao
(b) 20 Ao
(c) 25 Ao
(d) 34 Ao

36. In gymnosperms, the Ovule is naked because

(a) ovary wall is absent
(b) integuments are absent
(c) perianth is absent
(d) nucellus is absent

37. The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of

(a) lignified thick walls
(b) cohesion and adhesion
(c) weak gravitational pull
(d) transpiration pull

38. The fleshy receptacle of syconus of fig encloses number of

(a) achenes
(b) samaras
(c) berries
(d) mericarps

39. Which one of the following is linked to the discovery of bordeaux mixture as a popular fungicide?

(a) Bacterial leaf blight of rice
(b) Downy mildew of grapes
(c) Loose smut of wheat
(d) Black rust of wheat

40. Unisexuality of flowers prevents

(a) autogamy, but not geitonogamy
(b) Both geitonogamy and xenogamy
(c) geitonogamy, but not xenogamy
(d) autogamy and geitonogamy