Monday, 24 June 2019

Molecular Biology Exam Questions And Answers

Solved biological molecules mcqs with quiz exams preparation tests. MCAT MDCAT general biology questions and answers for competitive exams tests and preparation. Online multiple choice biology mcqs for MCAT Preparation 1st year and 2nd year chapter wise biology multiple choice quiz.

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Biology MCQs Online Quiz Test

Biology sample paper test with online MCQs Objective type quiz tests. A level and O Level biology exam questions  by topic wise for ppsc past papers of general knowledge tests and NTS Tests. Solved general biology quiz test with neet biology mcqs chapter wise objective questions for aipmt exams.



Biology MCQs For Entry Test Online Quiz





Biology MCQs Quiz Tests

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Solved MCQs Easy Biology Questions With Answers



Q.1: Tobacco mosaic virus is------- ?

  1. Spherical
  2. Rod Shaped
  3. Tadpole like
  4. Hexagonal

B

Q.2: Magnesium is present in which of the following--------- ?

  1. Cytochromes
  2. ATP
  3. Chlorophyll
  4. Haemoglobin

C

Q.3: An illness which largely affects girls usually just after the onset of puberty ?

  1. Bulimia nervosa
  2. Obesity
  3. Anorexia nervosa
  4. None of these

C

Q.4: The liquid that escapes during defrosting frozen meat contains ----- bacteria ?

  1. Campylobacter
  2. Nitrobacter
  3. Azobacter
  4. Salmonella

D

Q.5: Of the following, which one has more variety of nutrition--------- ?

  1. Animals
  2. Bacteria
  3. Plants
  4. Fungi

A

Q.6: Certain types of whales are also ---------- feeder ?

  1. Fluid
  2. Macrophagous
  3. Filter
  4. None of these

C

Q.7: In planaria, numerous small branches which end blindly are called as------ ?

  1. Digestive tract
  2. Intestinal caeca
  3. Hepatic caeca
  4. Both B & C

B

Q.8: Which of the following group represent pathological fungi-------- ?

  1. Mushrooms morels and truffles
  2. Rusts smuts and molds
  3. Penicillium
  4. All of these

B

Q.9: Penicillium reproduce via-------- ?

  1. Spores
  2. Conidia
  3. Budding
  4. Fragmentation

B

Q.10: Lichen is a symbiotic mutualistic association of fungi with------ ?

  1. Autotrophs
  2. Roots of vascular plants
  3. Green algae and cyanobacterium
  4. Leguminous plants

C

Q.11: At which stage in the life cycle of Rhizopus meiosis takes place ?

  1. Formation of sporangiophore via germination of zygospore.
  2. Formation of spores in sporangia
  3. Fusion of two hyphae
  4. Formation of Zygote by fusion of gametangia.

A

Q.12: By which of the following mechanism unicellular yeast reproduce ?

  1. Sporing
  2. Conidiation
  3. Budding
  4. Fragmentation

C

Q.13: Spores in sporangia are produced by process ?

  1. Sexual
  2. Asexual
  3. Both of these
  4. None of these

B

Q.14: Who first separated bacteria from other protists as a group------ ?

  1. John Hogg
  2. Ernst Haeckel
  3. Margulis and Schwartz
  4. Herbert Copeland

D

Q.15: Which of the following statement about eiliates in incorrect-------- ?

  1. Contain mainly unicellular organisms.
  2. Their contractile vacoule is respobsible for water regulation.
  3. They are even capable of sexual reproduction.
  4. Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.

D

Q.16: The most important group of producers in marine ecosystem is of--------- ?

  1. Diatoms
  2. Euglenoids
  3. Dinoflagellates
  4. Brown algae

A

Q.17: Complex specialized flagellates living symbiotically in the gut of termites are-------- ?

  1. Trichonymphas
  2. Trypanosoma
  3. Euglena
  4. Radiolarians

A

Q.18: Which of the following are responsible for the detection of changes in environment ?

  1. Receptors
  2. Neurons
  3. Effectors
  4. All of these

A

Q.19: Chalk is gradually formed of dead---------- ?

  1. Actinopods
  2. Foraminiferans
  3. Apicomplexans
  4. Radiolarians

B

Q.20: The word Archaeobacteria (a division of bacteria) derived from Greek means-------- ?

  1. True bacteria
  2. False bacteria
  3. Recent bacteria
  4. Ancient bacteria

D


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