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AIPMT NATIONAL (GOVT.) CENTRAL BOARD OF SECONDARY EDUCATION, NEW DELHI
Total Seats : 1973
MBBS: 1782
BDS: 191
Qualification :12th (50% IN PCB & PASS IN ENG.)
Age : Min. 17 to Max. 25
Examination Type: Preliminary–OBJECTIVE P(50)+C(50)+B(100)
Time given 3.00 HRS.
Mains : NON OBJECTIVE P(10)+C(10) & B(20)
Time given 2 HRS. + 2 HRS.

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CBSE PMT Biology Paper 2009- Answered & Discussed / Dr. S Biswas & Dr. A Biswas by Dr Subroto Biswas

Get your own Virtual Classroom

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COMED KARNATAKA NATIONAL (PRIVATE) COMEDK, BANGALORE

MBBS: Participating Institutes
BDS: None
Total Seats : Variable
Qualification : 12TH (50% IN PCBE)
Age : Min. 17 to Max. none
Examination Type :OBJECTIVE P(60) + C(60) + B(60)
Time given 3.00 hrs
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Biology Paper of COMEDK UGET-held in MAY 2009
The questions came from the mind of Simarjot Kaur of HKS Institute of Sciences, Ludhiana. We thank her for the contribution.

1. For investigating the functions of brain, the most appropriate imaging technique is:
(A) NMR-imaging
(B) Computed tomography
(C) Sonography
(D) PET

2. Mitosis and cytoplasmic division function in:
(A) asexual reproduction of single cell eukaryotes
(B) growth, tissue repair, often asexual reproduction
(C) gamete formation in reproduction
(D) both (A) and (B)

3. Alleles are _____________
(A) different molecular forms of a gene
(B) different phenotypes
(C) self fertilizing, true breeding homozygotes
(D) different molecular forms of different genes

4. Which one of the following contain xylem vessels?
(A) Bryophyta
(B) Pteridophyta
(C) Gymnosperm
(D) Angiosperm

5. Which of the following statement regarding mitochondrial membrane is not correct?
(A) Outer membrane is permeable to all kinds of molecules.
(B) Enzymes of ETC are embedded in the outer membrane.
(C) Inner membrane is highly convoluted forming a series of infoldings.
(D) Outer membrane resembles a sieve.

6. Synthesis of RNA and proteins take place in :
(A) M – Phase
B) S – Phase
(C) G
1 – Phase
(D) G1 and G2 Phases

7. In eukaryotic cells the histone proteins are synthesized during.
(A) entire prophase
(B) telophase
(C) S – phase
(D) G2 – phase

8. According to Whitaker’s five kingdom classification the unicellular, non-nucleated organisms are placed in:
(A) Monera
(B) Protista
(C) Plantae
(D) Animalia

9. Which type of relation does a fungus has with alga in lichens?
(A) Epiphytic
(B) Parasitic
(C) Symbiotic
(D) Saprophytic

10. Which of the following plants do not produce seeds?
(A) Ficus and Funaria
(B) Fern and Funaria
(C) Chlamydomonas and Ficus
(D) Punica and Pinus

11. Phylum annelida resembles many mollusca in embryonic features as both have:
(A) Spiral cleavage and mesoderm formation.
(B) Meroblastic cleavage and ectoderm formation.
(C) Special types of mouth parts.
(D) Identical conspicuous segmentation in body muscles and nervous system.

12. Canal system in Porifera is not associated with :
(A) Respiration
(B) Nutrition
(C) Sexual reproduction
(D) None of these.

Many more are to follow……………

____________________________________________________________________

ANSWERS TO COMED KARNATAKA PMT 2009 held in MAY

1. A
2. D
3, A.
4. D
5. D
6. D
7. C
8. B
9. C
10. B
11. A
12. D

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ONLINE TEST BATCH FOR STATE PMT / Physics, Chemistry and Biology Classes from 19th May 2009

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CMC Ludhiana Entrance Test 2009 / Biology Sample Paper
………………………………………………………………………………………………………………

Please solve the paper and get the answers at the end

1. Ichthyology is the study of
(a) snakes
(b) lizards
(c) aves
(d) none above

Explanation.
Study of snakes…ophidiology
Study of birds….ornithology
Study of lizards…saurology
Then what is the Study of fishes called ?

2. Bamboo is
(a) a fern
(b) monocarpic
(c) polycarpic
(d) gymnosperm

3. Intrinsic flow of information means
(a) transcription
(b) translation
(c) both above
(d) none above

4. First cloned sheep dolly was made by
(a) Wilmut and Campbell
(b) Stanley and Garjdusek
(c) Miller and Steward
(d) Milstein and Kohler

5. Power of regeneration is poor in
(a) brain cells
(b) chondrocytes
(c) bone cells
(d) liver cells

6. Marijuana is extracted from 6
(a) Cannabis
(b) Papaver
(c) Ergot
(d) Claviceps

7. Vegetative reproduction in bulbils occur in 7
(a) Agave
(b) Gingiber
(c) Vallisneria
(d) Curcuma

8. Oxynctic cells secrete
(a) pepsin
(b) trypsin
(c) HCl
(d) hormones

9.Ephedrine is extracted from
(a) seeds
(b) leaves
(c) roots
(d) stem

10. Which of the following is not a component of xylem?
(a) Vessel
(b) Tracheids
(c) Medullary rays
(d) Vascular rays

11. Meiosis occurs in
(a) megaspore
(b) embryosac
(c) nucellus
(d) megaspore mother cell

12. A person suffering from Klinefelter syndrome will have how many Barr bodies
(a) 2
(b) 3
(c) 1
(d) none of these

13. One of these become inactive during old age?
(a) Thymus
(b) Pineal
(c) Thyroid
(d) Pituitary

14. Infoldings of plasma membrane in bacterial cell is called
(a) lomasome
(b) metasome
(c) mesosome
(d) desmosome

15. During allergic reaction which of the following is secreted ?
(a) allergens
(b) histamines
(c) immunoglobins
(d) pyrogens

16. Tunica albuginea is the covering of
(a) liver
(b) spleen
(c) testis
(d) lungs

17. Trichocysts are characteristic of
(a) Paramecium
(b) Hydra
(c) Cnidaria
(d) Amoeba

18. Tusks of elephant are
(a) upper incisors
(b) upper canines
(c) lower canines
(d) lower incisors

19. First National Park is
(a) Periyar
(b) Kazirangha
(c) Corbett National Park
(d) Palamau

20. One of these is single membrane organelle
(a) ribosome
(b) mitochondria
(c) lysosome
(d) ER

ONLINE TEST BATCH FOR STATE PMT / Physics, Chemistry and Biology Classes from 19th May 2009

21. Genetic material of coliphage is
(a) only RNA
(b) only DNA
(c) both RNA and DNA
(d) proteins

22.Krebs cycle is a part of _________ respiration
(a) aerobic
(b) anaerobic
(c) fermentation
(d) fecultative

23. Photosystem II occurs in
(a) outer membrane of mitochondria
(b) stroma
(c) grana
(d) inner membrane of mitochondria

24.Cell wall of fungus is made of
(a) cellulose
(b) chitin
(c) fungal chitin
(d) muramic acid

25. Monosaccharides found in nucleolus is
(a) hexose
(b) pentose
(c) tetrose
(d) erythrose

26.A male child suffering from Down syndrome will have genetic constitution
(a) XX
(b) XXY
(c) XY
(d) XO

27.Cell organelles can be separated by
(a) chromatography
(b) X-ray diffraction
(c) differential centrifugation
(d) electrophoresis

28. Cells surrounding guard cells are
(a) Accessory
(b) subsidiary
(c) motor
(d) bulliform

29. Totipotency will occur in
(a) microspore
(b) megaspore
(c) meristem
(d) sclereids

30. Nucleosome is
(a) histone proteins
(b) DNA wrapped around histones
(c) RNA wrapped around histones
(d) DNA wrapped around acidic proteins

31.One of these is associated with cell division
(a) microsome
(b) peroxisome
(c) microtubule
(d) ER

32. How many mother cells will form 1000 microspores?
(a) 1000
(b) 250
(c) 500
(d) 2000

33. VAM is
(a) saprophytic fungi
(b) symbiotic fungi
(c) saprophytic bacteria
(d) symbiotic bacteria

34. Which of the following muscles are immune to fatigue?
(a) striped
(b) unstriped
(c) cardiac
(d) voluntary

35. T-lymphocytes first mature in
(a) Thymus
(b) pancreas
(c) liver
(d) spleen

36. Prawn carry
(a) oxygenated blood
(b) mixed blood
(c) deoxygenated blood
(d) no blood

37. Blood in urine is
(a) glycosuria
(b) haematuria
(c) oligouria
(d) anuria

38. Distance between two DNA strands is
(a) 20Ao
(b) 34 Ao
(c) 3.4 Ao
(d) 2 Ao

39. DNA replication occurs in ________ phase
(a) S
(b) G1
(c) G2
(d) inter

40.Pigment found in brown algae is
(a) haematochrome
(b) fucoxanthin
(c) phycocyanin
(d) phycoerythrin

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Answers Keys
1d
2b
3c
4a
5a
6a
7a
8c
9d
10c
11d
12c
13a
14c
15b
16c
17a
18a
19c
20c
21b
22a
23c
24c
25b
26c
27c
28b
29c
30b
31c
32b
33b
34c
35a
36a
37b
38a
39a
40b
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CET conducted by Punjab University for admission to MBBS/BPharm courses, Chandigarh

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CET Biology Sample Test Paper
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1. Molecular biology is the study of
(a) structure, function and reproduction of cell
(b) Physio-chemical studies of biomolecules
(c) studying tissues under microscope
(d) metabolic activity of life

2. Evolution can be studied now in the action of one of the following
(a) Sphenodon
(b) Archaeopteryx
(c) Peppered moth
(d) Paramecium

3. Which of these is not a connecting link?
(a) Duck billed Platypus
(b) Spiny ant eater
(c) Tortoise
(d) Lung fish

4. Stored food of Euglena is
(a) carbohydrate
(b) protein
(c) paramylum
(d) starch

5. While solving a problem a scientific method is employed. Which of the following is incorrect?
(a) The observations are made directly or indirectly
(b) A possible hypothesis is formulated to explain the phenomenon
(c) Hypothesis is subjected to experiment
(d) No control is kept with an experiment

6. Bhopal gas tragedy was due to
(a) Methane
(b) Methyl isocyanate
(c) Malathion
(d) methylcarbide

7. Ergot which is used to extract LSD is
(a) Ustilago
(b) Puccinia
(c) Neurospora
(d) Claviceps

8. Cytokinin is mainly synthesized in
(a) root
(b) shoot tip
(c) leaf
(d) shoot bud

9. According to Oparin’s concept the regulator gene
(a) inactivates the enzyme
(b) inactivates the substrate
(c) inhibits the movement of mRNA to the cytoplasm
(d) inhibits the transcription of mRNA

10. One of the following is the bacterial disease
(a) malaria
(b) tetanus
(c) polio
(d) Filaria

11. One of the following is incorrect
(a) Most homeostatic mechanisms in an organism work on feedback
(b) A living being in a steady state has a self regulatory mechanism-homeostasis
(c) The cell is given instruction when it has to reproduce by a protein molecule of heredity
(d) For survival of a species it is necessary for the organism to replace those organisms

12. An antibiotic-Penicillin is produced from
(a) Protista
(b) Fungi
(c) Bacteria
(d) algae

13. Which of the following is involved in defence mechanism of the body?
(a) lymphocytes
(b) Neutrophills
(c) Macrophages
(d) all of these

14. Gametic meiosis is performed in
(a) a protist which is haploid
(b) a protist which is diploid
(c) all eukaryotes
(d) none of these

15. If a short day plant is exposed to light for short duration
(a) It will flower normally
(b) It fails to flower
(c) It will flower more faster
(d) It will change to long day plant

16. Two species cannot occupy the same niche.This competition exclusion principle is
(a) Allen’s Law
(b) Gause Law
(c) Allen’s Law
(d) Gloger’s Law

17. Rh negative means
(a) heterozygous (Rr)
(b) homozygous recessive (rr)
(c) homozygous dominant (RR)
(d) none of these

18. Acetabulum is present in _______ joint
(a) hip
(b) knee
(c) elbow
(d) shoulder

19.One of the following is not an attribution to an enzyme
(a) It is used up in reaction
(b) It accelerates the rate of reaction
(c) They are specific in nature
(d) They are proteinaceous in nature

20. Pollination by birds is
(a) Ornithophily
(b) Chiropteriphily
(c) Malacophily
(d) Hydrophily

21. The succession which starts in sand is
(a) lithosere
(b) halosere
(c) hydrosere
(d) psammosere

22.Cervical vertebrae of one of following are seven in number
(a) rabbit
(b) elephant
(c) giraffe
(d) all above

23. In emergency blood pressure is controlled by
(a) adrenal
(b) prolactin
(c) adrenocorticotropic
(d) thyroid

24.The curvature movements of Mimosa (Touch me not) are due to
(a) thermonasty
(b) chemonasty
(c) thigmonasty
(d) hydronasty

25.’Venus fly trap’ is the common name of
(a) Drosera
(b) Dionea
(c) Urticularia
(d) Nepenthes

26. The most accepted theory for stomatal opening and closing is
(a) Transpiration
(b) Guard cell photosynthesis
(c) K+ efflux and influx
(d) Starch glucose interconversion

27. Prothallus of moss is
(a) haplod
(b) diploid
(c) triploid
(d) tetraploid

28. Moss protonema resembles an algal filament but can be distinguished from later in
(a) lacking chloroplast
(b) oblique septa
(c) cellulosic cell wall
(d) coenocytic

29. Synapse is proximity of
(a) two neurons
(b) two veins
(c) two arteries
(d) venules

30. The stage when nuclei lie adjacent to each other
(a) dikaryophase
(b) karyogamy
(c) synapse
(d) plasmogamy

31. Which of the following is false?
(a) Tapeworm excrete through flame cells
(b) Prawns have excretory organs as nephridia
(c) Nephron starts from Bowman’s capsule containing the glomerulus
(d) Excretion is performed by the nephrons by filtration,absorption and secretion

32. The ephemeral structure which anchors the embryo and pushes it into the nutritional zone of the embryosac
(a) haustorium
(b) suspensor
(c) coleorhiza
(d) radicle

33. One of the following is the sex linked disease
(a) haemophilia
(b) cancer
(c) Diabetes
(d) rheumatoid arthritis

34. A beet root slice is first washed and then placed in cold water and it doesnot lose its anthocyanin. This shows that plasma membrane is
(a) impermeable to anthocyanin
(b) permeable to anthocyanin
(c) differentially permeable to anthocyanin
(d) It is dead

35. Phycoerythrin and phycocyanin are found in
(a) green algae
(b) brown algae
(c) red algae
(d) all above

36. Haemocoel is found in
(a) arthropoda
(b) coelentrata
(c) porifera
(d) annelida

37. Carapace is associated with
(a) snake
(b) turtle
(c) flying lizard
(d) crocodile

38. Tissue level of organization is found in
(a) porifera
(b) coelentrata
(c) annelida
(d) vertebrata

39. Placenta is characteristic feature of
(a) mammals
(b) amphibians
(c) reptiles
(d) fish

40. Water vascular system is found in
(a) Porifera
(b) Mollusca
(c) Echinodermata
(d) Coelentrata

41. The most threatning factor for the survival of plant biodiversity is
(a) destruction of natural habitat
(b) biosphere reserves
(c) vulnerable ecosystems like mangrooves and wet lands
(d) inaccesibility of habitats

42. Which of the following is correct?
(a) Albinism is genetic and etiolation is physiological
(b) Etiolation and Albinism are synonyms
(c) Etiolation is irreversible
(d) Etiolation is genetic and albinism is physiological

43. Severe competition for food,shelter and space is maximum in
(a) Closely related species occupying the same niche
(b) Closely related species occupying the different niche
(c) Distantly related species occupying the same habitat
(d) Distantly related species occupying the different habitat

44. A biotic ecosystem consists of
(a) consumers, decomposers and producers
(b) only consumers
(c) consumers and producers
(d) producers and primary consumers

45. A new species can be developed by
(a) mutation and isolation
(b) isolation and competition
(c) mutation and competition
(d) variation and competition

46. For preparation of a gene map the recombination frequency is additive only over short distances but not over long distances due to
(a) multiple crossovers
(b) lethal mutation
(c) epistasis
(d) synaptinemal complex

47. An organ which is an accessory excretory organ is
(a) heart
(b) stomach
(c) liver
(d) intestine

48. An element essential for nitrogen metabolism is
(a) magnesium
(b) iron
(c) molybdenum
(d) potassium

49. One of the following is incorrect
(a) The ears of snakes are not external but it has fangs
(b) The mammals have four cahmbered heart with no hair on body
(c) Round worm has three lips but is an intestinal parasite
(d) molluscans are shelled organisms

50. Which of the following has four chambered heart ?
(a) Lizard
(b) Crocodile
(c) Bird
(d) Fish

51. Annual rings are formed basically due to
(a) marked seasonal variations
(b) different development of xylem and phloem
(c) uniform climate conditions
(d) different kinds of phloem

52. Production of ATP by oxidative phosphorylation is driven by energy from
(a) coenzyme A
(b) NADH2
(c) pyruvic acid
(d) movement of protons from inner mitochondrial membrane to the cytoplasm

53. Deletion or insertion of base pairs causes frameshift mutation unless the number of base pairs deleted or inserted are
(a) only one
(b) ten
(c) two
(d) three

54. Binomial nomenclature refers to
(a) two names of a species
(b) one specific and one local name of a species
(c) Two words of the name of a species
(d) Two life cyces of organism

55. In taxonomy class comes in between
(a) Kingdom, order
(b) Phylum,order
(c) Kingdom,family
(d) Family,genus

56. Restriction enzymes are used in genetic engineering and
(a) cuts DNA base pairs at specific sites
(b) cuts DNA base pairs at variable sites
(c) joins two DNA segments
(d) cuts RNA base pairs at specific sites

57. Which of the following is incorrect?
(a) Whale is the largest fish
(b) Insects have three pair of legs
(c) Platyhelminthes have flame cells for excretion
(d) All the mammals have mammary glands but may not have hair

58. Agar, alginic acid and carragheen obtained from Gracilaria are chemically
(a) fats
(b) Phycocolloids
(c) proteins
(d) alkaloids

59. Which of the following is true about viruses?
(a) It is not parasite in a living host
(b) It can be cultured on artificial media
(c) It doesnot have a genetic material of its own
(d) It can be crystallized and kept in a bottle for several years

60. The separation of the chromosomes during metaphase can be best studied by
(a) Phase contrast microscope
(b) TEM
(c) electron microscope
(d) X ray technique