51. Which of the following pair is not correctly matched?
(A) Open colateral vascular bundle – Wheat stem
(B) Open bicolateral – Pumpkin stem vascular bundle
(C) Amphicribal vascular bundle – Pteris stem
(D) Amphivasal vascular bundle – Yucca stem
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52. Which is the commercial method of Litchi propagation?
(A) Goottee
(B) ‘T’ Budding
(C) Cutting
(D) Ring Budding
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53. GEAC stands for
(A) Genome Engineering Action Committee
(B) Ground Environment Action Committee
(C) Genetic Engineering Approval Committee
(D) Genetic and Environment Approval Committee
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54. Given Committee below are two statements one labelled as Assertion (A) and the other labelled as Reason (R).
Answer by using the code given below.
Assertion
(A): The greatest importance of yeasts to mankind is through their property of alcoholic fermentation.
Reason (R): Different species of fungi, used to produce ethanol are of great commercial importance.
Code:
(A) Both(A) and (R) are true, but (R) is not the correct explanation of(A)
(B) Both(A) and (R) are true and (R) is the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
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55. Given below are two statements labeled as Assertion (A) and Reason (R). Answer by using the codes(A) and (R).
Assertion(A): Excretion in cockroach takes place by Malpighian tubules.
Reason (R): Each Malpighian tubule is lined by non-ciliated columnar cells.
Code:
(A) Both(A) and (R) are true and (R) is the correct explanation of(A)
(B) Both(A) and (R) are true, but (R) is not the correct explanation of(A)
(C) (A) is true, but (R) is false
(D) Both(A) and (R) are false
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56. What is the reagent used to transform cyclohexanol into cyclohexanone?
(A) CrO3 and CH3COOH
(B) Anhydrous CrO3
(C) PCC
(D) 03/H2O-Zn dust
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57. Basil belongs to which of the following families?
(A) Liliaceae
(B) Lamiaceae
(C) Fabaceae
(D) Solanaceae
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58. What is correct formula to calculate bond order?
(A) Bond order = ½ (N<sub>a</sub>-N<sub>b</sub>)
(B) Bond order = ½ (N<sub>b</sub>-N<sub>a</sub>)
(C) Bond order = 1/3 (N<sub>b</sub>-N<sub>a</sub>)
(D) Bond order = 1/3 (N<sub>a</sub>-N<sub>b</sub>)
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59. Choose the correct option for sugarcane inflorescence.
(A) Calkin
(B) Panicle
(C) Spike
(D) Verticillaster
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60. Which of the following chemical reactions is the combustion reaction of methane?
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