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Medical and Dental Colleges / Institutes of Punjab (Pakistan)

Model Paper: Biology

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Model Paper: Biology Section

Entry Test for Admission to First Year MBBS / BDS Class

In Government Medical & Dental Colleges of the Punjab & KEMU

Session 2009-10 on Sunday, September 27, 2009.

Conducted by University of Health Sciences Lahore

MODEL PAPER

TOTAL TIME: 150 Minutes

Model Paper of Entry Test 2009

 


BIOLOGY SECTION

Q.151 Which of the following receptors produce sensation of pain?

A) Mechanoreceptor.

B) Nociceptors.

C) Chemoreceptors.

D) Thermoreceptors.

Q.152 When your finger accidentally gets caught in a door, the pain message is sent to your brain through __________.

A) Homeostasis.

B) Sensory receptors.

C) Caffeine.

D) The medulla.

Q.153 Neck has ______ type of joint.

A) Ball and socket.

B) Pivot.

C) Hinge.

D) Fibrous.

Q.154 End product of hemoglobin break down is:

A) Creatinine.

B) Bilirubin.

C) Hypoxanthin.

D) Xanthin.

Q.155 In what direction can a DNA polymerase work when catalyzing the addition of nucleotide monomers to build a strand of DNA?

A) From the 5' toward the 3' end of the new

strand being assembled.

B) From the replication centers in two directions called replication forks.

C) From the 3' to the 5' end of the strand being assembled.

D) In both directions if DNA ligase is present.

Q.156 Which bond is the potential source of chemical energy for cellular activities?

A) C-N.

B) C-O.

C) C-H.

D) H-O.

Q.157 Sharks and rays are included in class:

A) Cyclostomata.

B) Chondrichthyes.

C) Osteichthyes.

D) Tetrapoda.

Q.158 In what stage of aerobic respiration are 2-carbon molecules oxidized completely to carbon dioxide?

A) Glycolysis.

B) ETC.

C) Kreb cycle.

D) Calvin cycle.

Q.159 Which of the following does not have specialized respiratory organs?

A) Hydra.

B) Birds.

C) Cockroach.

D) both A and B.

Q.160 Humming birds belong to the category

A) Heterotherms.

B) Endotherms.

C) Ectotherms.

D) none of these.

Q.161 Syphilis is caused by

A) Neisseria gonorrhoeae.

B) Catsworm.

C) Treponema pallidum.

D) Herpes simplex.

Q.162 In moths male is ---------.

A) Heterogametic.

B) Dieogametic.

C) Homogametic.

D) Both B and C.

Q.163 When carbon dioxide pressure increases the capacity of haemoglobin to hold oxygen-----.

A) Increases many fold.

B) Decreases.

C) Remains constant.

D) Is doubled.

Q.164 The soluble part of the cytoplasm is termed as

A) Cisternae.

B) Cytosol.

C) Endocytosis.

D) Both A and B.

Q.165 Name the enveloped RNA virus that causes infusion hepatitis.

A) HBV.

B) HAV.

C) HCV.

D) None of these.

Q.166 In general asexual reproduction is common in

A) Humans.

B) Basidiomycota.

C) Deuteromycota.

D) Basidiospores.

Q.167 Name the vertebrates which are without jaws

A) Osteichthyes.

B) Cyclostomata.

C) Chondrichthyes.

D) None of these.

Q.168 The total inside capacity of lungs of adult human beings when fully inflated is

A) 5 ml.

B) 50 ml.

C) 500 ml.

D) 5000 ml.

Q.169 Which of the following belong to collenchyma cells?

A) Fibers.

B) Vessels.

C) Sclereides.

D) None of these.

Q.170 Which of the following promotes both leaf and fruit growths?

A) Auxins.

B) Gibberellins.

C) Abscisic acid.

D) Ethane.

Q.171 Name the external factor of growth in plants

A) Carbon dioxide

B) Water

C) Hormones

D) Nutrition

Q.172 The genes of blue opsin is present on

A) Autosome 9.

B) Autosome 7.

C) Autosome 1.

D) Autosome 3.

Q.173 The dew drops on tips of grass leaves is an example of

A) Infestation.

B) Bleeding.

C) Exudation

D) Imbibition

Q.174 Which of the following modifies proteins and lipids by adding carbohydrates

A) Golgi Apparatus

B) Polysome

C) Plasma membrane

D) None of these

Q.175 Which of the following are spiral-shaped bacteria?

A) Cocci

B) Bacilli

C) Pseudomonas

D) Vibrio

Q.176 Which of the following is used for lowering blood cholestrol?

A) Neurospora

B) Griseofulvin

C) Aspergillus

D) Lovastatin

Q.177 Which of the following are called placental mammals?

A) Prototheria

B) Eutheria

C) Metatheria

D) All of these

Q.178 The attraction among water molecules which hold water together is called

A) Tension

B) Adhesion

C) Cohesion

D) Ambibition

Q.179 Pick the paratonic movement from the following

A) Nastic

B) Turgor

C) Growth

D) Tactic

Q.180 Which of the following controls several automatic functions like breathing, heart rate and blood pressure?

A) Midbrain

B) Pons

C) Medulla

D) Cerebellum

Q.181 Which of the following has 40 chromosomes?

A) Corn

B) Sugarcane

C) Frog

D) Mouse

Q.182 The cell suspension culture of ----------- produces quinine.

A) Soybean

B) Cinchona ledgeriana

C) Digitalis lanata

D) Luceferin

Q.183 Which one of the following is most slender in structure?

A) Microtubules

B) Micro filaments

C) Intermediate filaments

D) Both A and B

Q.184 Name the human tissues that contain about 85% water.

A) Nerve cells

B) Bone cells

C) Brain cells

D) None of these

Q.185 Which of the following are colorless?

A) Chloroplasts

B) Chromoplasts

C) Leucoplasts

D) None of these

Q.186 Name the one involved in DNA replication.

A) Cysts

B) Mesosomes

C) Ribosomes

D) Spores

Q.187 Which of the following has rootless sporophytes?

A) Psilopsida

B) Tracheophyta

C) Lycopsida

D) Sphenopsida

Q.188 Chlorophylls absorb mainly -------- wave length.

A) Yellow

B) Green

C) Violet-blue

D) Indigo

Q.189 ------- did not have the adaptations to remove the flooding of their cells in fresh water,

A) Both B, D

B) Hydrophytes

C) None of B, D

D) Xerophytes

Q.190 Which of the following is made up of bones and cartilage?

A) Endoskeleton

B) Exoskeleton

C) Hydrostatic skeleton

D) Both A and B

Q.191 This disease is characterized by the decline in brain function.

A) Alzheimer's disease

B) Parkinson's disease

C) Epilepsy

D) None of these

Q.192 Prophase, metaphase and telophase are subdivisions of

A) Mitosis

B) Karyokinesis

C) Cytokinesis

D) None of these

Q.193 ------- organs are functionally different but structurally alike.

A) Analogous

B) Unilogous

C) Homologous

D) Hypologous

Q.194 Which of the following gives blue color with iodine?

A) Starch

B) Cellulose

C) Glycogen

D) All of these

Q.195 Herpes simplex is caused by ------- virus.

A) Enveloped RNA

B) RNA tumor

C) Glycogen

D) Both B and C

Q.196 Name the cynobacteria which are helpful in fixing atmospheric nitrogen.

A) Heterocysts

B) Nostoc

C) Akinetes

D) Hormogonia

Q.197 Name the class that contains seedless plants.

A) Angiospermae

B) Gemnospermae

C) Paraphsys

D) Filicineae

Q.198 Which form of anaerobic respiration occurs in muscle cell of humans and other animals during extreme physical activities?

A) Alcoholic fermentation

B) Lactic acid fermentation

C) Glycolysis

D) Pyruvic acid oxidation

Q.199 How much water approximately is required to excrete 1 kg of ammonia nitrogen?

A) 500 ml

B) 5 litre

C) 300 litre

D) 500 litre

Q.200 Which disease causes immobility and fusion of vertebral joint?

A) Sciatica

B) Spondylosis

C) Disc slip

D) Rickets

Q.201 Which hormone continues to promote protein synthesis throughout the body even after the cease in growth?

A) TSH

B) ADH

C) ACTH

D) STH

Q.202 Position of a gene on the chromosome is called its

A) Phenotype

B) Locus

C) Junction

D) Genotype

Q.203 Pick the biotic component from the following.

A) Soil

B) Water

C) Atmosphere

D) Animals

Q.204 The two strands in DNA are coiled-------- to each other.

A) Parallel

B) Antiparallel

C) Both A,B

D) None of these

Q.205 Name the class without antennae.

A) Arachnida

B) Myriapoda

C) Insecta

D) Crustacea

Q.206 The African sleeping sickness is caused by --------.

A) Entamoeba histolytica

B) Trypanosoma

C) Zooflagellates

D) Ciliates

Q.207 Which of the following does not belong to angiospermic families?

A) Picea

B) Poaceae

C) Rosaceae

D) Fabaceae

Q.208 Name the nutrition resulted by feeding on dead and decaying matter.

A) Saprophytic

B) Parasitic

C) Symbiotic

D) Both B & C

Q.209 How many grams of nitrogen can be eliminated in the form of uric acid by 50 ml of water?

A) 20

B) 25

C) 30

D) 50

Q.210 Which disease is caused by low calcium in the blood?

A) Tetany

B) Cramp

C) Muscle fatigue

D) Sciatica

Q.211 It is known that red light --------------- flowering in the long day plants.

A) Synchronizes

B) Inhibits

C) Promotes

D) Does not affect

Q.212 The color phenotype of the grain is the sum of individual effects of-------- alleles.

A) Six

B) Five

C) Four

D) Five or three

Q.213 In ---------- zone the light is insufficient to support photosynthesis.

A) Desert

B) Profundal

C) Littoral

D) All of these

Q.214 The optimum temperature for enzymes of human body is

A) 32°F

B) 46°C

C) 313°K

D) 37°C

Q.215 Which of the following damages wooden ships?

A) Sepia

B) Limax

C) Teredo

D) Ostrea

Q.216 Which of the following may build coral reefs along with coral animals?

A) Myxomycota

B) Brown algae

C) Green algae

D) Red algae

Q.217 Which of the following do not have a body cavity?

A) Pseudocoelomata

B) Acoelomata

C) Coelomata

D) None of these

Q.218 Name the neurotic disorder characterized by bouts of over eating of fattening foods.

A) Bulimia nervosa

B) Dyspepsia

C) Anorexia nervosa

D) Salmonella

Q.219 Which one of these is an example of tubular excretory system called meta nephridiuin?

A) Planeria

B) Hydra

C) Cockroach

D) Earthworm

Q.220 Name the human tissues that contain about 85% water

A) Nerve cells

B) Bone cells

C) Brain cells

D) None of these


Model Paper of Entry Test 2009

 


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