Plan Aid Academy Teacher Proficiency Test In Sciences

30 Questions | Total Attempts: 15

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Plan Aid Academy Teacher Proficiency Test In Sciences

. Biology Chemistry Physics Combine in One paper


Questions and Answers
  • 1. 
    In evolution, analogous structures are significant because they show?
    • A. 

      Physiological diversity

    • B. 

      Functional diversity

    • C. 

      Genetic diversity

    • D. 

      Structural diversity

  • 2. 
    Which of the following statements reflects the mechanism of natural?
    • A. 

       Organisms with selective advantages are less likely to survive

    • B. 

      No organism in a species dies before sexual maturity

    • C. 

      There are variations within every species

    • D. 

      Individuals of every species are genetically identical

  • 3. 
    Which of the following animals exhibits territoriality?
    • A. 

      Rabbit

    • B. 

      Earthworm

    • C. 

      Toad

    • D. 

      Lizard

  • 4. 
    The branch of Biology that deals with the principles of classification of organisms is known as ?
    • A. 

       taxonomy

    • B. 

      Ecology

    • C. 

      Nomenclature

    • D. 

      Biological index

  • 5. 
    Which of the following structures is a tissue?
    • A. 

      Sieve tube element

    • B. 

      Vessel element

    • C. 

       Blood

    • D. 

      Erythrocyte

  • 6. 
    Which of the following cells are not regarded as specialized?
    • A. 

      Root up cells

    • B. 

      Muscle cells

    • C. 

      Somatic cells

    • D. 

      Sperm cells

  • 7. 
    Which of the following pairs of cells carry out the same function?
    • A. 

      Spermatozoon and ovum

    • B. 

      Check cell and red blood cell

    • C. 

      Palisade cell and epidermal cell

    • D. 

      Root tip cell and guard cell

  • 8. 
    If Amoeba is placed in a salt solution. the contractile vacuoles would Options?
    • A. 

      Be bursting more frequently

    • B. 

       be more numerous

    • C. 

      Grow bigger before they burst

    • D. 

      Be formed less frequently

  • 9. 
    In which of the following habitats is paramecium not fo
    • A. 

      Pond

    • B. 

      Aquarium

    • C. 

      Lake

    • D. 

      Puddle

  • 10. 
    The following processes are involved in water movement in the endo dermis except?
    • A. 

      Osmosis

    • B. 

      Vascular pathway

    • C. 

      Diffusion

    • D. 

      Active transport

  • 11. 
    Which of the following sources of energy contributes to green-house effect ?
    • A. 

      Natural gas

    • B. 

      Nuclear

    • C. 

      Wind

    • D. 

      Option 4

  • 12. 
    Which one do you like?
    • A. 

      Air pollution

    • B. 

       A consequence of global warming is

    • C. 

       Flooding

    • D. 

      Increased humidity

  • 13. 
     Which of the following metals is common to both brass and bronze ?
    • A. 

      Copper

    • B. 

      Alluminium

    • C. 

      Lead

    • D. 

      Iron

  • 14. 
    The alkanol obtained from the production of soap is?
    • A. 

      Dihydric Alkanol

    • B. 

      Tri hydric Alkanol

    • C. 

      Monohydric Alkanol

    • D. 

      Tertiary Alkanol

  • 15. 
    When a compound X is heated with concentrated tetraoxosulphate(VI)acid, it produces an alkene. X  is an ?
    • A. 

      Alkane

    • B. 

      Alkyne

    • C. 

      Alkanoate

    • D. 

      Alkanol

  • 16. 
    Ripening of fruits is hastened by using?
    • A. 

      Ethene

    • B. 

      Ethyne

    • C. 

       Ethane

    • D. 

      Ethanol

  • 17. 
    Which of the following compounds is/are secondary alkanols ? i) CH CH(CH)CH OH ii) CH CH CH(OH)CH iii) CH C(OH)(CH )CH
    • A. 

       I only

    • B. 

      II and III only

    • C. 

       II only

    • D. 

       I and III only

  • 18. 
     Consider the following reaction equation: C H + 3O 2CO + 2H O . The volume of oxygen at s.t.p that will be required to burn 14g of ethene is [C H = 28; Molar volume of gas at s.t.p = 22.4dm ?
    • A. 

       33.6dm 3 3 3 3 2 3 3 3 3 2 4(g) 2(g) → 2(g) 2 (l) 2 4 3 333 3

    • B. 

      11.2dm

    • C. 

       3.73dm 3

    • D. 

      64.2dm

  • 19. 
     Which of the following substances is a non-electrolytes ?
    • A. 

       C 6 H 12 O 6

    • B. 

      NH 4Cl

    • C. 

      CH 3 COOH [C H = 28; Molar volume of gas at s.t.p = 22.4dm

    • D. 

      H 2 SO 4

  • 20. 
    The oxidation number of sulphur is +4 in ?
    • A. 

      H 2 SO3

    • B. 

      H 2 SO 43

    • C. 

      Na 2 S 2 O3

    • D. 

      All of the above

  • 21. 
    What determines the polarity at the ends of an electromagnet? The
    • A. 

      Direction of current in the wire

    • B. 

      Material of the coil

    • C. 

      Material of the core of the magnet

    • D. 

      Magnitude of the current passing through the wire

  • 22. 
    How many beta particle(s) are emitted in the radioactive decay of ?How many beta particle(s) are emitted in the radioactive decay of ?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      5

  • 23. 
    The phenomenon by which two light atomic nuclear combine to form a heavy nuclide with the release of energy is known as?
    • A. 

      Radioactivity

    • B. 

      Nuclear fusion

    • C. 

       nuclear fission

    • D. 

       chain reaction

  • 24. 
    In a p-type semiconductor, the ?
    • A. 

      Number of holes are equal to the number of electrons

    • B. 

      Electrical resistivity increases

    • C. 

      Holes are the majority charge carriers

    • D. 

      Electrons are the majority charge carriers

  • 25. 
    Let Δx be the uncertainty in the measurements of position and Δp the uncertainty in measurement of momentum. The uncertainty principle relation is given as ?
    • A. 

      Δx . Δp ≥h

    • B. 

      Δx . Δp > h

    • C. 

      Δx . Δp ≤ h

    • D. 

      Δx . Δp = h

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