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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
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Question: The severity of 2005 earthquake in Pakistan on Richter scale was ?
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Question: Hazrat _____________ was famous for his patience.
Question: Intrusive rocks are also known as
Question: Aleppo is a famous city of which Country?
Question: How many Olympic Games have been held in Africa?
Question: The Band-e- Amir National Park is located in______________.
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