71. Last electron of K (Potassium) enters in which subshell ?
(A) 3d
(B) 4s
(C) 3p
(D) 4p
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72. What is the number of significant figures in 0.200 gm ?
(A) 3
(B) 4
(C) 1
(D) 2
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73. Match List – I with List – II and select the correct answer by using the code given below the lists.
List-I List-II
a. Knoll and Ruska 1. Peach yellow disease
b. Dr. K. C. Mehta 2. Electron microscope
c. F. F. Smith 3. Tobacco mosaic virus
d. Beijernick 4. Cereal rust
Code :
a b c d
(A) 1 2 3 4
(B) 3 4 2 1
(C) 2 4 1 3
(D) 4 3 2 1
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74. Which of the following host is not related to the wheat rust disease?
(A) Primary host
(B) Secondary host
(C) Alternate host
(D) Collateral host
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75. Hampshire breed belongs to which animal given below?
(A) Pig
(B) Poultry
(C) Sheep
(D) Goat
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76. Which one of the following is Arrhenius equation?
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77. Which of the following statements is correct about Siderophilin ?
i. It is also known as transferrin.
ii. It is a metaloprotein and constitutes about 30% of total plasma protein.
iii. It has molecular weight about 90000.
iv. It facilitates iron transport.
(A) i and ii are correct
(B) Only iv is correct
(C) ii and iii are correct
(D) All statements are correct
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78. Choose the correct option for the anterior pair of wings of cockroach.
(A) Sternum
(B) Elytra
(C) Tergum
(D) Cerci
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79. Statement “It is impossible to determine simultaneously, the exact position and velocity of an electron” given by
(A) Heisenberg
(B) de-Broglie
(C) Pauli
(D) Hund
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80. Which of the following statement(s) is/are correct with reference to a Biodiversity Hotspot?
i. It must have at least >0.5% of world’s total vascular plants as endemics.
ii. It must have at least <0.5% of world’s total vascular plants as endemics.
iii. It must have 30% or less of its original natural vegetation or it must be threatened.
iv. It must have 30% or more of its original natural vegetation or it must be endemic.
(A) i and iii are correct
(B) i is correct
(C) ii and iii are correct
(D) iii and iv are correct
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