Medical Papers :: All Aptitude Test ::

Hassan
1. In the structural diagram of an antibody molecule which portion is occupied by variable chains?
A. Lower region
B. Upper region
C. Middle region
D. Lower region

2.DIASPORA
A. Gathering
B. Dispersion
C. Alliance
D. Gathering

3. Every molecule of NADH, fed into ETC produces: A) 2 ATP
A. 2 ATP
B. 3 ATP
C. 4 ATP
D. 2 ATP

4.IMPETUOUS
A. Honest
B. Impulsive
C. Lazy
D. Honest

5.VOCIFEROUS
A. Hidden
B. Loud
C. Strong
D. Hidden

6.Final acceptor of electrons in respiratory chain is:
A. Cytochrome a
B. Oxygen
C. Cytochrome a3
D. Cytochrome a

7.The end product of anaerobic respiration in humans and other mammals is
A. Pyruvic acid
B. Ethanol
C. Lactic acid
D. Pyruvic acid

8.TRANSIENT
A. Permanent
B. Temporary
C. Long
D. Permanent

9.A biochemical process which occurs within a cell to breakdown complex compounds to produce energy is called:
A. Respiration
B. Photosynthesis
C. Pyrrole
D. Respiration

10.PROWESS
A. Hindrance
B. Skill
C. Reservation
D. Hindrance

11. Which part of chlorophyll molecule absorbs light?
A. Phytol
B. Porphyrin ring
C. Pyrrole
D. Phytol

12.BEQUEATH
A. Grant
B. Imbibe
C. Irrigate
D. Grant

13.The DNA molecule formed from messenger-RNA by reverse transcriptase is called??
A. Complementary DNA
B. Recombinant DNA
C. Chimeric DNA
D. Complementary DNA

14.The agent which separates the two strands of DNA in PCR is??
A. DNA ligase
B. Primer
C. Heat
D. DNA ligase

15.Cystic fibrosis patient lack a gene that codes for trans-membrane carrier of??
A. Na+ ions
B. Cl― ions
C. Ca++ ions
D. Na+ ions

16.The phage commonly used as a vector in genetic engineering is?
A. Lambda phage
B. Gamma phage
C. T2 phage
D. Lambda phage

17.Restriction endonucleases are naturally occurring enzymes of:
A. Viruses
B. Bacteria
C. Fungi
D. Viruses

18.In an ecosystem mycorrhizae are an example of:
A. Predation
B. Symbiosis
C. Mutualism
D. Predation

19.As a result of destruction of ozone layer there is significant increase in:
A. Ultra-violet radiations
B. Greenhouse gases
C. Nitrogen oxide
D. Ultra-violet radiations

20.Higher rate of a biological activity in a nutrient rich pond water is called:
A. Water pollution
B. Air pollution
C. Eutrophication
D. Water pollution

21.The use of living organisms in industry for the production of useful products is known as
A. Parasitology
B. Biochemistry
C. Biotechnology
D. Parasitology

22.Living part of ecosystem is:
A. lithosphere
B. Hydrosphere
C. Community
D. lithosphere

23.Plants having foreign DNA incorporated into their cells are called:
A. Clone plants
B. Transgenic plants
C. Parthenocarpic plants
D. Clone plants

24. A living association between two living organisms of different species which is beneficial to both the partners is called:
A. Commensalism
B. Parasitism
C. Mutualism
D. Commensalism

25.Treatment by using attenuated culture of bacteria is called
A. Chemotherapy
B. Sterilization
C. Antisepsis
D. Chemotherapy

26. The structures which are reduced during the course of evolution and have no apparent function are called:
A. Regenerated organs
B. Vestigial organs
C. Saltatory organs
D. Regenerated organs

27.The major cause of hepatitis B is
A. Blood transfusion
B. Blood clotting
C. Absence of fibrinogen
D. Blood transfusion

28.When a gene suppresses the effect of another gene at another locus the phenomenon is termed as:
A. Over dominance
B. Pleiotropy
C. Epistasis
D. Over dominance

29.During animal cell division, the spindle fibres are formed from
A. Mitochondria
B. Centrioles
C. Ribosomes
D. Mitochondria

30.Phenylketonuria is an example of:
A. Polyploidy
B. Transmutation
C. Inversion
D. Polyploidy


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