61 .Which of the following have coral reefs?
1. Andaman and Nicobar Island2. Culf of Kachchh3. Gul of Mannar4. Sundar - bansSelect correct answer using code:
A.  1, 2 and 3 only
B.  2 and three only
C.  2 and 4 only
D.  1, 2, 3 and 4 only
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62 .What does the word 'amphibian' mean?
A.  Two lives
B.  Four lives
C.  Three lives
D.  One life
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63 .Kala - azar is transmitted by ….
A.  Black flies
B.  sand fly
C.  Tsetse fly
D.  Mites
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64 .Meocyanin is an oxygen-transpot metalloprotein in some invertebrate animals. This protein contains:
A.  One proper atom
B.  two copper atoms
C.  one iron atom
D.  one magnesium atom
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65 .What is farming along with animal husbandry called?
A.  mixed farming
B.  Mixed agriculture
C.  Dairy farming
D.  Truck farming
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66 .Only male frog produce croacking sound because-
A.  Female frog have no layrny
B.  Female frog have larynx but no vocal cord
C.  Male frog have three pair of vocal cord
D.  Male frog can magnify their voice with the help of sound box
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67 .Cobra emits venom through:
A.  Fangs
B.  Tooth
C.  Lower jaw
D.  None
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68 .The most poisonous snake is-
A.  Rattle snake
B.  Python
C.  Krait
D.  Tree snake
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69 .The snake who make their nest-
A.  Chain viper
B.  King cobra
C.  Krait
D.  Shaw scaled vipar
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70 .Dolphins are classified under-
A.  Pices
B.  Amphibian
C.  Reptile
D.  Mamma
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71 .Substance found in blood which help in cloting -
A.  Fibrinogen
B.  Heparin
C.  Thrombin
D.  Globine
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72 .Which of the following gland is responsible for the secretion of insulin.
A.  Pituitary
B.  Pineal
C.  Thymus
D.  Pancrease
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73 .The sense of balance is achieved by:
A.  Carebellum equilibrium
B.  Thalamus equilibrium
C.  Cerebrum equilibrium
D.  Spinal equilibrium
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74 .Image of object is formed on which part of eye-
A.  Cornea
B.  Choroid
C.  Retina
D.  Iris
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75 .Glucose is a type of -
A.  Teterose sugar
B.  Hexose sugar
C.  Pentose
D.  None of them
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