Thursday, 4 April 2019

Medical Colleges Admission Test MCQs

All Pakistan medical colleges and Universities NTS National Aptitude test for Admission is important. Here i am sharing those important MCQs for Medical Students which are mostly repeated in the exams or tests. Here all solved MCQs with online Quiz tests. MCQs of MBBS Medical Officers jobs through PPSC or NTS exams preparation.


Solved Biology MCQs
Medical Admission Test Biology MCQs



Biology Online MCQs For Interviews and VIVA Tests for all classes. Medical jobs for MBBS in Govt and Private Hospitals Interviews and screening tests online exams Preparations with quiz tests. All Medical Students of MDCAT Multiple Choice Objective Type Quiz with Online MCQs Test.

Biology Online Biology Medical Test MCQs Quiz Preparations





Test 1 || Test 2 || Test 3 || Test 4 || Test 5 || Test 6 || Test 7 || Test 8 || Test 9 || Test 10 || Test 11 || Test 12 || Test 13 || Test 14 || Test 15 || Test 16 || Test 17 || Test 18 || Test 19 || Test 20 || Test 21 || Test 22 || Test 23 || Test 24 || Test 25


Biology MCQs Quiz Tests With Answers List

Q.1: Collagen fibers of bone are hardened by deposition of-------- ?

  1. Ca & PO4
  2. CaCO3
  3. CaSO4
  4. SiO2

C

Q.2: Rigor mortis i.e, stiffening of body after death results from----- ?

  1. Accunulation of rigid proteins molecules in sarcoplam.
  2. Unavailability of ATP, which is necessary to break the link between actin and myosin.
  3. Decrease in body temperature after death.
  4. Death of tissue due to unavailability of O2.

B

Q.3: Which one of the following is an example of a non-elastic connective tissue ?

  1. Ligaments.
  2. Tendon
  3. Muscles.
  4. None of these

B

Q.4: How many bones are present in the wrist ?

  1. 4 bones
  2. 6 bones
  3. 8 bones
  4. 14 bones

C

Q.5: Which of the following animal uses Setae and Muscles for their Iocomotio ?

  1. Cockroach
  2. Snail
  3. Earthworm
  4. Star fish

C

Q.6: Among the following organisms which shows the best adaptations for locomotion ?

  1. Amoeba.
  2. Earthworm.
  3. Amphibians.
  4. Reptiles

D

Q.7: There are ---------- types of nutrients needed by plants besides light to carry out photosynthesis ?

  1. Two
  2. Three
  3. Four
  4. Five

B

Q.8: In the root cells ------- pathway becomes discontinuous in the endodermis due to the presence of casparian strip ?

  1. Tonoplast
  2. Symplast
  3. Vacuolar.
  4. Apoplast

D

Q.9: Commonly in other plants than tall ones the speed of upward movement of water is-------- ?

  1. 8mh-1
  2. 1 mh-1
  3. 7 mh-1
  4. 4 mh-1

B

Q.10: It is the measure of force with which blood pushes up against the walls of blood vessels ?

  1. Stroke volume
  2. Cardiac output
  3. Blood pressure
  4. Blood flow

C

Q.11: Lenticels look like------- ?

  1. A big pore
  2. Stoma
  3. Sponge
  4. Cars or small protusions

D

Q.12: Stomatal transpiration is ---------- of total transpiration ?

  1. 90%
  2. 91%
  3. 93%
  4. 95%

A

Q.13: Which of the following bone is not present in the hind-limb ?

  1. Femur
  2. Tibia
  3. Radius
  4. Fibula

C

Q.14: There are --------- hypothesis which may explain opening and closing of stomata ?

  1. One
  2. Two
  3. Three
  4. Four

B

Q.15: It has been estimated that in a normal person plasma constitutes about -------- by volume of blood ?

  1. 35%
  2. 45%
  3. 55%
  4. 75%

C

Q.16: Most of the marine invertebrates are-------- ?

  1. Osmoconformers
  2. Osmoregulators
  3. Both depend upon the concentration of sea water
  4. None of these

A

Q.17: The main nitrogenous waste formed in the body of earthworm is/are-------- ?

  1. Ammonia
  2. Urea
  3. Uric acid
  4. Trimethylamine oxide

B

Q.18: The distal blind end of the malpighian tubules bathes freely in------ ?

  1. Digestive tract
  2. Intestines
  3. Haemocoel
  4. Coelom

C

Q.19: The characteristic which enable animals to tolerate dehydration is called------ ?

  1. Osmoconformation
  2. Osmoregulaton
  3. Anhydrobiosis
  4. Anhydrosis

C

Q.20: Aquatic animals excrete nitrogenous waste commonly in the form of--------- ?

  1. Ammonia
  2. Urea
  3. Uric acid
  4. Trimethylamine oxide

A

Q.21: Bats & humming birds belong to--------- ?

  1. Endotherms
  2. Ectotherms
  3. Heterotherms
  4. Homeotherms

C

Q.22: Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss ?

  1. Hagfish
  2. Fresh water fishes
  3. Bony fishes
  4. None of these

C

Q.23: Nephrostome in earthworm opens in--------- ?

  1. External space
  2. Internal Body cavity
  3. In gut
  4. In Bladder

B

Q.24: In mouth cavity of many molluscs there is a rasping tongue like structure---------provided with many horny teeth ?

  1. Ligule
  2. Mantle
  3. Muscle
  4. Radula

D

Q.25: The wax present on the body of cockroach is secreted ?

  1. Mucocytes
  2. Leucocytes
  3. Oenocytes
  4. Granulocytes

C

Q.26: The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in------- ?

  1. Diatoms
  2. Desmids
  3. Pyrrophyta
  4. Chlorophyta

A

Q.27: Diatoms stay afloat due to--------- ?

  1. Flagella
  2. Stored lpids
  3. Pseudopodia
  4. All of these

B

Q.28: Which one of these is an insect ?

  1. Mite
  2. Spider
  3. Moth
  4. Scorpion

C

Q.29: Vacuoles are fluid filled sacs surrounded by a membrane called-------- ?

  1. tonoplast
  2. nuclear membrane
  3. cell membrane
  4. cell wall

A

Q.30: Cell wall is the non living , outermost boundary of----------cell ?

  1. plant
  2. bacterial
  3. fungal
  4. all the above

D

Q.31: Simple tissues and complex tissues are two groups of---------tissues ?

  1. Meristematic
  2. Permanent
  3. Epidermal
  4. Supporting

B

Q.32: Xylem and phloem are conducting tissues found in --------- ?

  1. animals
  2. micro orgamnisms
  3. all the above
  4. plants

D

Q.33: Which Part of the Brain Regulates Body Temperature ?

  1. cerebellum
  2. cerebrum
  3. hypothalamus
  4. medulla

C

Q.34: Which one of these structures involved in replication of bacterial dna ?

  1. chromosomes
  2. pilli
  3. plasmid
  4. mesosome

A

Q.35: Pox viruses are------- ?

  1. RNA non-enveloped
  2. RNA enveloped
  3. DNA non-enveloped
  4. DNA enveloped

D

Q.36: Humming bird is an example of------ ?

  1. Cold blooded animal
  2. Ectotherm
  3. Endotherm
  4. Heterotherm

A

Q.37: On which of the following component of chloroplast chlorophyll is arranged ?

  1. Cell membrane
  2. Matrix
  3. Thylakoids
  4. Stroma

D

Q.38: Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called----- ?

  1. Cofactor
  2. Coenzymes
  3. Activator
  4. Enzymes

D/span>

Q.39: The rate of reaction is directly proportional to the concentration of an enzyme which statement is incorrect in this respect------- ?

  1. Increase in enzyme molecule increases the available active sites.
  2. This relation is for unlimited time period with unlimited enzyme concentration
  3. If the concentration is doubled the rate will become two fold.
  4. None of these.

B

Q.40: Excessive increase in temperature of medium causes the enzyme molecule to------- ?

  1. Activate
  2. Unaffected
  3. Denatured
  4. None of these

C

Q.41: Inhibitors which block the enzyme by forming weak bond are called------- ?

  1. Competitive inhibitors.
  2. Non-competitive inhibitors
  3. Irreversible inhibitors.
  4. Both a and b

D

Q.42: Which of the following carbohydrate is tasteless------- ?

  1. Monosaccharide
  2. Oligosaccharide
  3. Polysaccharide
  4. None of these

C

Q.43: Lipids are soluble in which of the following--------- ?

  1. Water
  2. Ether
  3. All solvents
  4. Not in any of the above

B

Q.44: Total number of amino acids discovered so far in cells and tissues are--------- ?

  1. 20
  2. 25
  3. 150
  4. 170

D

Q.45: The simplest of oxygen producting photosynthetic organisms are-------- ?

  1. Algae
  2. Bacteria
  3. Cyanobacteria
  4. Chlamydomonas

C

Q.46: Which of the following are triploblastic and acoelomate ?

  1. Sponges
  2. Annelida
  3. Platyhelminthes
  4. Aves

C

Q.47: The one that stores calcium is -------- ?

  1. Sarcolemma
  2. Sarcoplasm
  3. Sarcoplasmic reticulum
  4. Cytosol

C

Q.48: In Cx(H2O)y x ranges from------ ?

  1. 1 to 3 thousand
  2. 3 to many thousand
  3. 3 to 5 thousand
  4. 5 to 9 thousand

B

Q.49: The sequence of 3 bases on tRNA which is complementary to condon of mRNA is called------ ?

  1. Anticodon
  2. Gene
  3. Code
  4. Codon

A

Q.50: The one which is a weed killer is--------- ?

  1. IAA
  2. NAA
  3. 2 4-D
  4. GA

C