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Quiz 21
Mdcat-past-papers - ETEA Quiz
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Board: ETEA |
401. In which phase of bacterial growth, They divide at exponential rate:
Lag phase
Log phase
Stationary phase
Decline phase
402. Antibiotics that kills microbes immediately are called :
Microbiostatic
Microbicidal
Biostatic
Chemotheropeutic
403. Nitrifying bacteria are the examples of:
Heterotrophic bacteria
Chemosynthetic bacteria
Saprophytic bacteria
Parasitic bacteria
404. Which of the following are the genetically engineered bacteria that are used to make growth hormone and insulin for diabetics?
Pneumococcus
E.coli
Rhizobium
Nostoc
405. ........ is used in the production of human insulin?
Bacteria
Protozoa
Fungi
Virus
406. What is main role of bacteria?
Carbon cycle
Phosphorous cycle
Nitrogen cycle
All of the above
407. Freeing of an object from all living organisms,bacteria and their spores,fungi etc is called :
Sterilization
Disinfection
Decolamination
Immunization
408. Which of the following helps in developing immunity against germs?
Radiotherapy
Chemotherapy
Vaccination
Antibiotics
409. The cavity between body wall and alimentary canal is:
Coelom
Mesoderm
Endoderm
Mesoglea
410. In radial symmetry all the body parts are arranged along the central axis. Radial symmetry represents ___ mode of life:
Sessile
Streamlined
Active
Parasitic
411. All animals begin life as a:
Multicellular fertilized egg
Single fertilized egg
Hollow blastula
Gastrula
412. The body of diploblastic organisms lack which layer?
endoderm
ectoderm
mesoderm
mesenchyme
413. Fasciola is endoparasite of:
Colon
Liver
Small intestine
Bile duct
414. Trypanosoma is transmitted in human beings by:
Plasmodium
Anopheles
House fly
Tsetse fly
415. Which one of following is primary host of liver fluke:
Man
Sheep
Snail
Dog
416. Which one of following is example of free living carnivorous flatworm:
Liver fluke
Dugesia
Tapeworm
Schistosoma
417. ----- is a good example of polymorphism:
Hydra
Starfish
Obelia
Euplectella
418. Body of ----- consists of segments called proglottis which contains mainly sex organs:
Planaria
Ascaris
Fasciola
Tapeworm
419. Chitin, which makes the exoskeleton in insects. is further hardened by :
Protein and sodium bicarbonate
Protein & Potassium carbonate
Protein & calcium carbonate
Protein & Sodium carbonate
420. Silver fish is a/an?
Insect
Mollusc
Jawless fish
Cartilaginous fish
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