Solved Past Papers MCQs of MDCAT for the preparation of Medical and Dental College Admission Test and other medical tests.
Q.176 Which of the following sequence is correct?
A) LH ” FSH ” Estrogen ” Progesterone C) FSH ” Estrogen ” Progesterone ” LH
B) FSH ” LH ” Progesterone ” Estrogen D) FSH ” Estrogen ” LH ” Progesterone
Q.177 Which chromosomal abnormality in humans causes aggressive and antisocial behavior?
A) XO C) XYY
B) XXY D) XXX
Q.178 Grey equatorial cytoplasm produces
A) Muscle cells C) Notochord and neural tube
B) Gut D) Larval epidermis
Q.179 Sickle cell Anaemia is an example of which type of chromosomal defect?
A) Chromosomal rearrangement C) Chromosomal aberration
B) Transposition of gene D) Point mutation
Q.180 The karyotype of an individual is ________ of chromosomes.
A) Number C) Number, types and chemical composition
B) Types D) Number and types
Q.181 The process of replication of DNA begins at
A) One place only without any specific sequence of DNA
B) One or more places without any specific sequence of DNA
C) Any place with the uncoiling of two strands of DNA
D) One or more places where there is a specific sequence of nucleotides
Q.182 Amino acid attaches at which site of RNA
A) Anticodon site C) 3’-site with terminal OH
B) Ribosomes recognition site D) Activation enzyme recognition site
Q.183 Microtubules of spindle fibres are composed of a protein called
A) Tubulin C) Myosin
B) Actin D) Troponin
Q.184 The kinetochore fibres contract and spindle or pole fibres elongate during
A) Prophase I C) Telophase I
B) Metaphase I D) Anaphase I
Q.185 Cell death due to tissue damage is called
A) Necrosis C) Apoptosis
B) Metastasis D) Epistasis
Q.186 When a disease is transmitted directly from an affected father to his son, it is called:
A) X-linked C) Y-linked
B) Autosomal D) X and Y-linked
Q.187 Epistasis is a relationship between:
A) Alleles of a gene C) Two contrasting traits
B) Two different genes at the same locus D) Two different genes at different loci
Q.188 Gene for albinism in man is present on chromosome number:
A) 11 C) 21
B) 22 D) 12
Q.189 Gene can be synthesized in laboratory from messenger RNA by using:
A) Restriction enzymes C) Vector
B) cDNA (complementary DNA) D) Reverse transcriptase
Q.190 Antibiotic resistance gene for tetracycline and ampicillin are present in the plasmid
A) pSC 101 C) pBR 322
B) pCR 101 D) pBR 233
Q.191 Cloning is a form of
A) Sexual Reproduction C) Vegetative Propagation
B) Asexual Reproduction D) Genetic Recombination
Q.192 Group of interbreeding individuals of particular species, sharing common geographical area is called:
A) Population C) Community
B) Community ecology D) Autecology
Q.193 Which of the following proteins is common in man and aerobic bacteria?
A) Haemoglobin C) Cytochrome c
B) Myoglobin D) Pilin
Q.194 Ozone filters ultraviolet radiations from the sun in the upper
A) Biosphere C) Lithosphere
B) Atmosphere D) Hydrosphere
Q.195 A parasite living inside body of the host is called
A) Ectoparasite C) Facultative parasite
B) Obligate parasite D) Endoparasite
Q.196 An association between two organisms benefiting both is called
A) Commensalism C) Predation
B) Parasitism D) Symbiosis
Q.197 In aquatic ecosystem, human activities may accelerate the process of
A) Eutrophication C) Decomposition
B) Photosynthesis D) Recycling
Q.198 Beri Beri is due to
A) Metabolic disorder C) Nutritional deficiency
B) Chemical causes D) Mental Illness
Q.199 The natural heat energy trapped underground is
A) Geothermal energy C) Electric energy
B) Thermal energy D) Solar energy
Q.200 Which of the following is the lowest level of biological organization with respect to others?
A) Multicellular organisms C) Species
B) Biosphere D) Population
READ MORE:
- Solved Past Papers MCQs of MDCAT 1
- Solved Past Papers MCQs of MDCAT 2
- Solved Past Papers MCQs of MDCAT 4
