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. The element in basic structure of proteins which differentiate them from carbohydrates________?
  1. C
  2. S
  3. H
  4. N
Question. In most ecosystems the greatest amount of energy flows through the____________?
  1. Secondary consumers
  2. Herbivores
  3. Carnivores
  4. Decomposers
Question. Which of the following carbohydrate can not be hydrolysed__________________?
  1. Monosaccharide
  2. Oligosaccharide
  3. Polysaccharide
  4. None of these
Question. Which of the following substance is most favorable to form structural component of biological membranes___________?
  1. Hydrophilic Carbohydrates
  2. Hydrophobic fats.
  3. Both a and b
  4. None of these
Question. Under a compound microscope chromosome is made of arms and___________?
  1. Centromere
  2. Centrosome
  3. Chromatid
  4. Centromere
Question. A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?
  1. Transpiration pull
  2. Root pressure
  3. Osmotic pressure.
  4. None of these