MCQs4All - Biology Collection

Biology MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers

Question. Voice box is another name used for___________?
  1. Buccal cavity
  2. Pharynx
  3. Larynx
  4. Chest Cavity
Question. It is the discharge of blood from blood vessels?
  1. Myocardial infarction
  2. Cerebral infarction
  3. Cerebral Hemorrhage
  4. Thromboembolism
Question. Which of the following pathogen type cause disease that can be treated with antibiotics ?
  1. bacteria
  2. fungi
  3. virus
  4. none of these
Question. Of the following which one is not the characteristic of dinoflagellates?
  1. Most of them are unicellular
  2. They have blooms
  3. Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
  4. None of these
Question. Any change in the environment of an organism is called___________?
  1. Stimulus
  2. Variation
  3. Response
  4. Reaction
Question. Double fertilization is feature of____________?
  1. Ferns
  2. Whisk ferns
  3. Gymnosperms
  4. Angiosperms
Question. Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?
  1. Active transport
  2. Passive transport
  3. Co-transport
  4. Counter transport
Question. Strong chlorosis is due to the deficiency of _____________ in plants?
  1. Magnesium
  2. Nitrogen
  3. Potassium
  4. Phosphorus
Question. Carbon atom is_____________?
  1. Monovalent
  2. Divalent
  3. Trivalent
  4. Tetravalent
Question. Production of genetically identical copies of organisms/cells by asexula reproduction is called ?
  1. Mitosis
  2. Replication
  3. Cloning
  4. Biological control
Question. Which of the following is most constant abiotic component of ecosystem___________?
  1. Air
  2. Water
  3. Land
  4. Gravity
Question. The basic structural unit of a chromosome is____________?
  1. The centromere
  2. Nuceleosome
  3. Telomere
  4. Histone
Question. Type of neurons found exclusively in CNS are_____________?
  1. Sensory neurons
  2. Motor neurons
  3. Associative neurons
  4. None of these