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

31. What is the oxidation number of Cr in CrO₅?
(A) +10
(B) +6
(C) +5
(D) + 3

32. Four litres of an ideal gas at a pressure of 10 atm expands isothermally at 25°C into a vacuum until its total volume becomes 10 litres. How much heat is absorbed and how much work is done in the expansion ?
(A) No work is done; no heat is absorbed
(B) Double work is done; no heat is absorbed
(C) No work is done; double heat is absorbed
(D) Double work is done; double heat is absorbed

33. Which of the following is the ultra dwarf root stock of apple ?
(A) M-9
(B) MM-104
(C) M-27
(D) MM-106

34. What is the bond angle of SO₂ according to VSEPR Theory?
(A) 109°28′
(B) 119.5°
(C) 104.5°
(D) 107°

35. Which one amongst the following option is not a nitrogen fixing organism?
(A) Rhizobium
(B) Anabaena
(C) Pseudomonas
(D) Nostoc

36. Select C₄ plant among the following list.
(A) Cabbage
(B) Coriander
(C) Papaya
(D) Sugarcane

37. Who has written “Wealth of Nations” book ?
(A) Alfred Marshall
(B) Adam Smith
(C) Robbins
(D) None of these

38. Match the events given in Column – A with the phase in mitotic cell division. in Column B by using code given below. Column – A
a. Chromosome get arranged in a horizontal plane at the equator
b. Daughter chromosomes moves to the opposite poles of a spindle
c. Chromosomes become visible as fine long threads
d. Chromosomes lose their distinctiveness and gradually become transformed into a chromatin network
Column – B
i. Anaphase
ii. Prophase

iii. Telophase
iv. Metaphase
Code:
a b c d
(A) i iii ii iv
(B) iv ii i iii
(C) iv i ii iii
(D) ii iv i iii

39. Which of the following glands is associated with eye-lashes?
(A) Lacrimal glands
(B) Meibomian glands
(C) Ceruminous glands
(D) Sebaceous glands

40. Which one of the following prokaryotic algae possesses chlorophyll b?
(A) Anacystis
(B) Oscillatoria
(C) Prochloron
(D) Scytonema

Pages: 1 2 3 4 5 6 7 8 9 10