71. Last electron of K (Potassium) enters in which subshell ?
(A) 3d
(B) 4s
(C) 3p
(D) 4p
72. What is the number of significant figures in 0.200 gm ?
(A) 3
(B) 4
(C) 1
(D) 2
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
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
75. Hampshire breed belongs to which animal given below?
(A) Pig
(B) Poultry
(C) Sheep
(D) Goat
76. Which one of the following is Arrhenius equation?
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
78. Choose the correct option for the anterior pair of wings of cockroach.
(A) Sternum
(B) Elytra
(C) Tergum
(D) Cerci
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
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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