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MCQs4All - Biology MCQs for NTS, FPSC, CSS, IELTS, TOEFL

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. The basic structural unit of a chromosome is____________?
  1. The centromere
  2. Nuceleosome
  3. Telomere
  4. Histone
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

Biology MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers
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
Important MCQs
Question: Larger basins of South Atlantic Ocean includes
Question: There are _________ farz in Ghusal (غسل).
Question: 1 a.m.u =__________________?
Question: “lubb” sound is produced due to___________________?
Question: The Declaration of Independence was formally adopted on:
Question: Scientific bureau of Economic Cooperation Organization is situated in
Question: Spirochete is an example of___________?
Question: The sunlight can reach a depth of _____ meters in the ocean:
Question: Delta is the Airline of___________?
Question: Loch Ness is freshwater loch in________?
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Worthy Quote
Education without values, as useful as it is, seems rather to make man a more clever devil. ― C.S. Lewis