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Biology Test 31
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    9 billion

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    The anticipated human population by the year 2050 is about..
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    skin

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    The largest organ of the human body is the?
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    Protoplast

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    Cell wall of chloroplast is removed the remaining is called ?
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    cholesterol

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    Steroid hormone is derived from?
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    ranikhet

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    Most common disease of poultry in India is  ?
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    Petrol additive

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    Tetraethyl lead is used as ___..
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    Spleen

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    Malaria is a disease that affects the?
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    Repletion of visior pigment in rods

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    ‘Adaptation’ of eyes in dark is due to:
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    Plastic Surgery

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    Of the four landmarks in medical history given below,which one was the first to take place ?
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    Hardening of arteries

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    Abnormal level of cholesterol is associated with -
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    Ductile

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    If a metal can be drawn into wires relatively easily it is called?
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    Karyotype

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    A ______________________ is the characteristic chromosome complement of a eukaryote species.
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    cell

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    What is the smallest unit of life?
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    Cell wall

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    The main difference between Gram positive and Gram negative bacteria is?
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    Oxygen

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    The gases used in different types of welding would include __?
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    Gymnosperms

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    Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to ?
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    Liver

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    Adult Filaria worms live in human.
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    by the union of foetal and uterine tissue

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    Placenta is the structure formed________.
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    predators.

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    A wolf pack hunts, kills, and feeds on a moose. In this interaction, the wolves are.
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    disease resistance

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    Apple crop yields have been increased by plant breeders selecting for ____ .
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    Placenta

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    Which of the following is not present in the blood?
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    that these organisms are very different from eubacteria and from eukaryotes

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    The separation of the Archaebacteria into a separate domain indicates..
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    an oak tree in a forest.

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    The difference between net and gross primary productivity would likely be greatest for
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    Tassar silk

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    Silk produced by Antheraea mylitta is also called ?
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    Pigeon

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    Columba livia is the scientific name of
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    genetics

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    The study of the way individual traits are transmitted from one generation to the next is called
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    Monocytes

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    Which of the following is phagocytic?
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    all of the above

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    Triose-phosphate is used :
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    Eugenol

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    Which one of the following is an active component of oil of clove ?
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    Mustard gas

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    Which one of the following was used as a chemical weapon in the First World War ?
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