UKSSSC Livestock Extension Officer Exam 11/02/2024 (English)

81. Which of the following is not an ingredient of the Bordeaux mixture?
(A) Quick lime
(B) Water
(C) Copper sulphate
(D) Copper nitrate
Show AnswerAnswer – D

82. What is the reason of Red-yellow colour of soil?
(A) Organic matter
(B) Silica
(C) Lime
(D) Ferric oxides
Show AnswerAnswer – D

83. Which is the six carbon containing acid formed in Kreb’s cycle?
(A) Oxaloacetic acid
(B) Citric acid
(C) Ketoglutaric acid
(D) Succinic acid
Show AnswerAnswer – B

84. What is the ionic product of pure water at 25°C temperature?
(A) 14 M²
(B) 1×10^-10 M²
(C) 1×10^-14 M²
(D) 1×10^-7 M²
Show AnswerAnswer – C

85. The main function of Pneumatophores is
(A) Absorption of water
(B) Absorption of moisture
(C) Support and fixation of plant

(D) Respiration
Show AnswerAnswer – D

86. Ethanol on heating with Conc. H₂SO₄ at 443 K temperature forms
(A) H₃C – O – CH₃
(B) CH₂ = CH₂
(C) CH₃COOH

Show AnswerAnswer – B

87. Which of the following is a class of simple, heat-labile proteins occurring in seeds of Cereals, soluble in dilute acids and alkalies?
(A) Pectin
(B) Globulin
(C) Glutelin
(D) Histone
Show AnswerAnswer – C

88. Calculate magnetic moment of Cr⁺³ _(aq) ion.
(A) 2.83 BM
(B) 3.87 BM

(C) 2.00 BM
(D) 1.89 BM
Show AnswerAnswer – B

89. Match the Algal Class and their Reserve Food.
Algal Class – Reserve Food
i. Cyanophyceae 1. Starch
ii. Chlorophyceae 2. Floridean starch
iii. Phaeophyceae 3. Cyanophycean starch
iv. Rhodophyceae 4. Laminarin and Mannitol
.     i ii iii iv
(A) 3 1 4 2
(B) 1 2 3 4
(C) 4 3 2 1
(D) 4 2 1 3
Show AnswerAnswer – A

90. Molecular orbitals of diatomic molecules are designated with the following
(A) Only by σ

(B) Only by π
(C) Only by δ
(D) All of the above
Show AnswerAnswer – D

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