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Biology Test 47
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Biology Test 47

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  • Question 1/30
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    120 days

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    Life of a/an RBC in human blood is ___ .
    Solutions
    120 days
  • Question 2/30
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    two populations share the same environment but cannot interbreed.

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    Populations are said to be sympatric when _______.
    Solutions
    two populations share the same environment but cannot interbreed.
  • Question 3/30
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    Colchicine

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    Which one can induce polyploidy?
    Solutions
    Colchicine
  • Question 4/30
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    a family

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    A related group of genera comprise.
    Solutions
    a family
  • Question 5/30
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    Birds

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    Syrinx is the voice box in ___ .
    Solutions
    Birds
  • Question 6/30
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    mesophytes

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    Plants that grow under average temperature and moisture are called?
    Solutions
    mesophytes
  • Question 7/30
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    1 and 3

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    Which of the following are associated with diabetes mellitus, a common disease in adults ? 1. Higher sugar level in blood 2. Lower sugar level in blood 3. Lower insulin level in blood 4. Higher insulin level in blood Select the correct answer using the codes given below :
    Solutions
    1 and 3
  • Question 8/30
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    Plasma membrane

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    Which among the following cell organelles is semi-permeable?
    Solutions
    Plasma membrane
  • Question 9/30
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    salivary glands

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    When we eat something we like, our mouth waters. This is actually not water fluid secreted form.
    Solutions
    salivary glands
  • Question 10/30
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    Wool

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    Which of the following is a protein?
    Solutions
    Wool
  • Question 11/30
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    Mammal

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    The marine animal called dugong which is vulnerable to extinction is a/an
    Solutions
    Mammal
  • Question 12/30
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    antagonistic interactions among individuals in the population

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    Uniform spacing patterns in plants such as the creosote bush are most often associated with which of the following?
    Solutions
    antagonistic interactions among individuals in the population
  • Question 13/30
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    1,2 and 3 only

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    Consider the following statements: 1. Caffeine,a constituent  of tea and coffee is a diuretic. 2. Citric acid is used in soft drinks. 3. Ascorbic acid is essential for the formation of bones and teeth. 4. Citric acid is a good substitution for ascorbic acid in our nutrition. which of the statements given above are correct ?
    Solutions
    1,2 and 3 only
  • Question 14/30
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    eyes

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    Trachoma is a disease of the?
    Solutions
    eyes
  • Question 15/30
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    filariasis

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    Other than spreading malaria, anopheles mosquitoes are also vectors of _______.
    Solutions
    filariasis
  • Question 16/30
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    Oxygen

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    Which of the following is not a green house gas?
    Solutions
    Oxygen
  • Question 17/30
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    Bacteria

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    Which one of the following is responsible for converting milk into curd?
    Solutions
    Bacteria
  • Question 18/30
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    Non-disjunction

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    Which of the following may result in the presence of an extra chromosome in the cells of a human ?
    Solutions
    Non-disjunction
  • Question 19/30
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    The parasite enjoys the benefits of a relationship in which the host is harmed or killed.

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    Which of the following statements is TRUE about parasites and their relationships with their hosts?
    Solutions
    The parasite enjoys the benefits of a relationship in which the host is harmed or killed.
  • Question 20/30
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    Blastopore

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    Gastrula has a pore which is known as _______.
    Solutions
    Blastopore
  • Question 21/30
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    A = q, B = r, C = s, D = p

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    Match the names of the economically important plants (or their products) listed in Column-I with the families to which they belong given in column-II. Choose the answer which gives the correct combination of alphabets of the two columns : Column - I                   Column - II A. Sunflower                p. Acanthaceae B. Tulsi                        q. Compositae C. Coffee                     r. Labiatae D. Vasaka                    s. Rubiaceae t. Euphorbiaceae
    Solutions
    A = q, B = r, C = s, D = p
  • Question 22/30
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    Both children suffer from colour blindness

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    In the context of genetic disorders,consider the following: A woman suffers from colour blindness while her husband does not suffer from it. They have a son and a daughter. In this context, which one of the following statements is most probably correct ?
    Solutions
    Both children suffer from colour blindness
  • Question 23/30
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    Bat

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    Amongst the following flying organisms, which one does not belong to the group, Aves?
    Solutions
    Bat
  • Question 24/30
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    T.B.

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    BCG vaccine is used against?
    Solutions
    T.B.
  • Question 25/30
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    14 gram of haemoglobin/100 gram of blood

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    Normal adult human male has?
    Solutions
    14 gram of haemoglobin/100 gram of blood
  • Question 26/30
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    sexual selection

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    During evolution increased ornamentation in male is a result of?
    Solutions
    sexual selection
  • Question 27/30
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    Fallopian tube

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    Fertilization occur in
    Solutions
    Fallopian tube
  • Question 28/30
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    exponential growth.

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    During some kinds of population growth, the size of each generation of offspring is larger than the generation before it. So, as the population gets larger, it grows more quickly. This situation is called..
    Solutions
    exponential growth.
  • Question 29/30
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    Sex chromosome of father/sperm

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    Sex of a child is due to
    Solutions
    Sex chromosome of father/sperm
  • Question 30/30
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    stem cells in the red marrow

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    The production of new blood cells requires the activity of ________.
    Solutions
    stem cells in the red marrow
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