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

Question. In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?
  1. Mitosis
  2. Meiosis
  3. Both depending upon the conditions
  4. None of these
Question. Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap
  1. Increases.
  2. Lowers.
  3. Doesn’t effect.
  4. Maintains.
Question. The uptake of water in plants involves__________?
  1. Active transport
  2. Passive transport
  3. Both of these
  4. None of these
Question. Functional unit of DNA Is____________?
  1. Nucleus
  2. Genes
  3. Chromosomes
  4. Nucleolus
Question. Specific heat of vaporization of water is_______________?
  1. 574 Kcal/kg
  2. 674 Kcal/kg
  3. 774 Kcal/kg
  4. 874 Kcal/kg
Question. In Hardy-Weinberg formula P2 represents frequency of_____________?
  1. Recessive allele
  2. Dominant allele
  3. Homozygous dominant individual
  4. Homozygous recessive individual

Biology MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Teaching, CT, PTC, SST, B.Ed, M.Ed of past papers
Question. In Urea cycle __________ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea.
  1. 1
  2. 2
  3. 3
  4. 4
Question. In man which organisms cause abscesses on the skin of arms or legs?
  1. Ascaris
  2. Bacteria
  3. Ring worm
  4. Suinea worm
Question. Magnesium is present in which of the following__________________?
  1. Cytochromes
  2. ATP
  3. Chlorophyll
  4. Haemoglobin
Question. If two ends of fractured bone are opened and kept united via screws and wires drilled in bone substance. This step in fracture repair is called___________?
  1. Open reduction.
  2. Closed Fixation.
  3. Open fixation.
  4. Immobilization
Question. The one that stores calcium is __________?
  1. Sarcolemma
  2. Sarcoplasm
  3. Sarcoplasmic reticulum
  4. Cytosol
Question. How many species of mushrooms are edible?
  1. 100
  2. 200
  3. 3000
  4. 4000
Question. Central nervous system of man consists of______________?
  1. Brain
  2. Spinal cord
  3. Both of these
  4. none of these
Important MCQs
Question: The light microscope can make the object_________times bigger?
Question: The whole Earth can be covered by ________ geo-stationary satellites.
Question: The 17th Asian games were held in which City?
Question: Melanoma (skin cancer) is associated with ______________?
Question: Outermost layer of Earth which is composed of soil is known as
Question: _________ is the most disliked place by Allah Ta’ala.
Question: Carnalite has chemical formula__________________?
Question: The ICC test Championship mace was given to pakistan on____________?
Question: Scottish biologist and botanist, Sir Alexander Fleming, was born in
Question: Jinnah of Pakistan by Stanely Wolpert was published in__________?
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