Biology Practice MCQ Page 29

Multiple Choice questions for Biology in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 2421   Polio viruses are
  1. rod shaped
  2. tadpole like viruses
  3. golf ball like viruses
  4. star shaped viruses
Question: 2422   In human beings influenza is caused by
  1. Bacteria
  2. Viruses
  3. Fungi
  4. Algae
Question: 2424   Virus is not regarded as a cell,because
  1. it is anactive unless it finds a host to multiply
  2. most of the cellular activity is absent
  3. the genetic material does not replicate on its own
  4. all of the above
Question: 2425   The phase of life cycle of phage virus during which master slave relationship become establish between the viral DNA and RNA bacterium is known as
  1. Lytic phase
  2. Zygotene phase
  3. Diakinesis
  4. Lysogenic phase
Question: 2426   The part of life cycle of phage virus at which transduction occurs and many new generation of bacteria are produced without any harmful results is known as
  1. Lytic phase
  2. Zygotene phase
  3. Diakinesis
  4. Lysogenic phase
Question: 2427   Bacteriophages are specially abundant in the intestine of -------- and other animals.00000
  1. Man
  2. Goat
  3. Monkey
  4. Cat
Question: 2429   Two types of life - cycle s, termed the --------- and lysogentic cycle have been observed in bacterio-phages.
  1. acro
  2. di
  3. lytic
  4. none of the above
Question: 2430   They are probably the simplest and the smallest living organisms possessing cellular organisation .
  1. Viruses
  2. Fungi
  3. Mosses
  4. Bacteria
Question: 2435   Bacteria were first discovered by
  1. Robert Koch
  2. Robert Hooke
  3. Louis Pasteur
  4. A.V.Leeuwenhoek
Question: 2438   Bacteria and Cyanobacteria (blue green algae are sometimes classified in a separate kingdom known as the kingdom
  1. Protoza
  2. Monera
  3. Angiosperms
  4. Gymnosperms
Question: 2440   Rod shaped bacteria are known as
  1. Cocci
  2. Bacilli
  3. Spirilla
  4. None of the above
Question: 2441   Cork-screw shaped bacteria are known as
  1. Cocci
  2. Bacilli
  3. Spirilla
  4. None of the above