MDCAT Practice Tests
Biology Practice Test 4
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Category: Biology Ch 12 Class 11
Parasites capable of living independently of its host at times is called as _______ parasite.
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Category: Biology Ch 4 Class 11
Who first observed and thus hypothesized that new cells are formed from previously existing living cell?
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Category: Biology Ch 14 Class 11
The valve between right atrium and right ventricle is called:
NUMS 2014BiologyTransportElimination Tool:
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Category: Biology Ch 6 Class 11
Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch?
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Category: Biology
The system responsible for fighting the pathogens is:
NUMS Mock 4BiologyTransport
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Category: Biology Ch 3 Class 11
Enzymes _________ the activation energy of a chemical reaction
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Category: Biology Ch 13 Class 12
Study of human population and things that affect them is
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Category: Biology Ch 3 Class 12
The estrogen hormone secretion during the oogenesis is stimulated by:
NUMS 2020BiologyCoordination and ControlElimination Tool:
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As an excretory organ, liver:
NUMS Mock 3BiologyHomeostasis
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Category: Biology Ch 1 Class 12
Malpighian tubules are involved in excretion in:
NTS 2011BiologyHomeostasisElimination Tool:
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Category: Biology Ch 6 Class 12
What is the effect of enzyme DNA ligase?
PMC 2020BiologyChromosomes and DNAElimination Tool:
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Category: Biology Ch 5 Class 12
Meristems are of
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In genetics, the term locus refers to the ______ of the gene on the chromosome.
NUMS Mock 4BiologyChromosomes and DNA
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Which of the following statements correctly describes homologous chromosomes?
NTS 2016 DUHS & JSMUBiologyChromosomes and DNAElimination Tool:
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Q.28 The enzyme which plays important role in HIV pathogenesis
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Category: Biology Ch 10 Class 12
Which one is NOT a continuous trait?
NUMS 2019 ReconductBiologyEvolutionElimination Tool:
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The type of plastids found in roots of plants are _____.
NUMS Mock 4BiologyCell Structure and Function
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Balance in the nutrient cycle can be upset when
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Category: Biology Ch 12 Class 12
In which zone plant community is most diverse
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Category: Biology Ch 9 Class 12
A technique in transgenic animals in which desired gene is inserted into the eggs of animal is called:
UHS 2015BiologyBiotechnologyElimination Tool:
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Q.35 Enzymes for light-dependent reactions of photosynthesis would most likely be associated with:
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Q.38 The cell organelles involved, in some cases, with extra-cellular digestion
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It is the non living component of the cell, it is secreted and maintained by the living portion of the cell and is found only in plants. What is this structure?
NTS 2015 SMBBMCBiologyCell Structure and FunctionElimination Tool:
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Lock and Key Model for enzyme action propose by Emil Fischer suggests that:
PMC 2020BiologyEnzymesElimination Tool:
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Category: Biology Ch 4 Class 12
Follicle – stimulating hormone, which is produced by the pituitary gland, stimulates the ovaries to produce:
NUMS 2019 CancelledBiologyReproductionElimination Tool:
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Prokaryotes are considered to be evolved
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Category: Biology Ch 2 Class 11
Which of the following processes is the reverse of condensation?
NTS 2016 SMBBMCBiologyBiological MoleculesElimination Tool:
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Puccinia commonly destroys
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Category: Biology Ch 9 Class 11
Which of the following is included in Bryophytes?
NTS 2011BiologyKingdom PlantaeElimination Tool:
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Category: Biology Ch 2 Class 12
Hinge joint occurs in:
NTS 2015 SMBBMCBiologySupport and MovementElimination Tool:
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Ammonia is chief excretory product in:
NUMS 2014BiologyHomeostasisElimination Tool:
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Luteinizing hormone, which is produced by the pituitary gland, promotes ovulation and stimulate the ovaries to produce:
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Category: Biology Ch 10 Class 11
Which organism has wings with claws?
NUMS 2015BiologyKingdom AnimaliaElimination Tool:
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Mutations can occur in:
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Sunken stomata are found in:
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Category: Biology Ch 8 Class 12
A child with AB blood group who was born to a mother of the genotype IAIA cannot have the father of the genotype:
NUMS 2014BiologyVariation and GeneticsElimination Tool:
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Category: Biology Ch 11 Class 11
Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on
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Bacteria having a tuft of flagella at one end are called:
NTS 2017BiologyKingdom ProkaryoteElimination Tool:
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Q47 The T-lymphocytes and B-lymphocytes are the major cells of the:
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Q.65 How are flat worms not similar to round worms?
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Identify the bones in which the connecting joints are freely movable joints?
NTS 2015 DUHS and JSMUBiologySupport and MovementElimination Tool:
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The only possible treatment in end stage renal failure is:
NUMS 2018BiologyHomeostasisElimination Tool:
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Which of the following is a copper containing protein in electron transport chain?
PMC 2020BiologyBioenergeticsElimination Tool:
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What is the name of the structure of the leaf that attaches the leaf to the stem?
PMC Sample 2BiologyKingdom PlantaeElimination Tool:
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A man with blood group “A” marries a woman of blood group “B”. Both are heterozygous. What is the off-springs having phenotype “O”
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Zone of lake water which is of open water near the surface is
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Category: Biology Ch 8 Class 11
Tetracycline and penicillins are:
NUMS 2018BiologyKingdom FungiElimination Tool:
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Category: Biology Ch 5 Class 11
Eukaryotic, multicellular and consumers belong to ______ kingdom.
NUMS 2019 ReconductBiologyBio-diversity | Variety of LifeElimination Tool:
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A _____ is a junction between two neurons or between a motor neuron and a muscle cell:
PMC 2020BiologyCoordination and ControlElimination Tool:
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Category: Biology Ch 7 Class 12
Which of the following statements concerning nucleolus is correct?
NTS 2014BiologyCell CycleElimination Tool:
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Category: Biology Ch 7 Class 11
In which of the following pigments major energy reserves and cell wall are like plants?
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Which of the following marine fishes are considered direct descendents of fresh water ancestors?
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The structure which prevents the entry of food particles into the respiratory passage is:
NUMS 2019 CancelledBiologyNutritionElimination Tool:
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The primary oocyte in mammals has which of the following structures around it:
NUMS 2014BiologyReproductionElimination Tool:
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Lipids store double the amount of energy as compared to carbohydrates because of:
PMC 2020BiologyBiological MoleculesElimination Tool:
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The sympathetic nervous system causes which of the following?
NUMS Mock 2BiologyCoordination and Control
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Which type of the receptors are present in the ear?
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Which excretory product in produced in plants during autotrophic mode of life?
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Cysts are not resistant to ______ but spores are:
NUMS 2020BiologyKingdom ProtistaElimination Tool:
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How many pairs of homologous chromosomes are present in Pisum sativum
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The pH at which the activity of pancreatic lipase enzyme is maximum is:
NUMS 2019 CancelledBiologyEnzymesElimination Tool:
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The genetically Engineered vaccine is not available for which of the following?
PMC Practice 8BiologyBiotechnologyElimination Tool:
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Q.23 Reflex action is type of
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Red-green color-blindness is an X-linked recessive disorder. Jacob’s paternal grandfather and father are both color-blind, but his mother has two normal alleles. What is the probability that Jacob is red-green color-blind?
NUMS Mock 2BiologyVariation and Genetics
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In comparison to a constantly changing external environment, _____ is when the body maintains the internal processes to work in a narrow range of internal fluctuations.
NUMS 2019 ReconductBiologyHomeostasisElimination Tool:
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When the concentration of the external medium is equal to the concentration of the internal medium of a cell, the situation is called:
NUMS 2017BiologyBiological MoleculesElimination Tool:
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DNA or RNA of viruses is enclosed in ______ coat:
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What are the functions of the inter, motor and sensory neurons in a reflex response?
NUMS Mock 4BiologyCoordination and Control
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Genetic information in the DNA is encoded as:
NTS 2018BiologyChromosomes and DNAElimination Tool:
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Deficient production of hormones by adrenal glands results in: .
NTS 2011BiologyCoordination and ControlElimination Tool:
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Linked genes with closer loci ______ Mendel’s law of independent assortment as they _____ assort independently.
NUMS 2019 ReconductBiologyVariation and GeneticsElimination Tool:
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Which trait is not sex-linked recessive:
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Q.64 Which of the following conditions is not required to be true for a population in Hardy-Veinberg equilibrium?
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The Fungal Cell wall contains:
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A plant has a growth pattern called
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Of the following which one is not found in series proterostomia.
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Which statement is not true about phragmoplast?
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Ptyalin can convert starch into:
NUMS 2015BiologyBiological MoleculesElimination Tool:
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A trait whose alleles are present in both males and females but prominent more in one sex than other is a:
NUMS 2016BiologyVariation and GeneticsElimination Tool:
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Development of an egg into zygote without fertilization is called
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At what point are two populations descending from the same ancestral stock considered separate species?
NTS 2014BiologyEvolutionElimination Tool:
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Which statement is incorrect?
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Which statement about hydrospheric ecosystem is incorrect?
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Referring to sexual reproduction, humans are:
NTS 2018BiologyReproductionElimination Tool:
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Who developed a theory of natural selection essentially identical to Darwin’s?
PMC Sample 2BiologyEvolutionElimination Tool:
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Consider the following statements about biological communities.
I. Their members share a common gene pool
II. The community remains stable even though some physical aspect of the environment may undergo a change
III. It consists of all the populations living in a particular area.
IV. A community interacts with a non-living environment and both function together to form an ecosystem
Which two of the above statements are true?
NUMS Mock 4BiologyEvolution
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Given figures shows:
NUMS Mock 4BiologyGaseous Exchange
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Resolution power of a compound microscope is
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Movement of ions and large molecules with the help of protein molecules in and out of the cell is called _________.
NTS 2016 DUHS & JSMUBiologyBiological MoleculesElimination Tool:
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Pathway of energy used by muscles converted from food is:
NUMS Mock 3BiologyBioenergeticsSupport and Movement
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The law of dominance is illustrated in the garden pea by:
NTS 2010BiologyVariation and GeneticsElimination Tool:
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Category: Biology Ch 13 Class 11
Nicotine in tobacco:
NUMS 2014BiologyGaseous ExchangeElimination Tool:
93 / 100
Photosynthesis is absent in which of the following:
PMC 2021 TestedBiologyKingdom ProtistaElimination Tool:
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Q4 The branch that deals with the study of viruses fs known as?
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The enzyme found in saliva responsible for the digestion of carbohydrates is:
NTS 2018BiologyEnzymesElimination Tool:
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A hormone called _______ controls the secretion of gastric juice.
NUMS 2018BiologyNutritionElimination Tool:
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The particular array of chromosomes that an individual possesses is called its:
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Q.62 The animals that have features of both mammals and reptiles are?
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The 1st human hormone produced by recombinant DNA technology was:
NUMS 2016BiologyCoordination and ControlElimination Tool:
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Process that supplies food to living things through decaying and decomposition is called
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