Kerala PSC Previous Years Question Paper & Answer

Title : SCIENTIFIC OFFICER (BIOLOGY) -KERALA POLICE SERVICE (FORENSIC SCIENCE LABORATORY)
Question Code : A

Page:8


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'SCIENTIFIC OFFICER (BIOLOGY) -KERALA POLICE SERVICE (FORENSIC SCIENCE LABORATORY)' And exam conducted in the year 2021. And Question paper code was '018/2021'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.

page: 8 out of 16
Excerpt of Question Code: 018/2021

51. Which of the following hormones affect Na*, Cr, Ca2* and water reabsorption and K*
secretion by renal tubules ?

(i) Angiotensin 11

(ii) Aldosterone

(iii) ADH

(iv) Atrial natriuretic peptide
(v) | Thyroid hormone

(vi) Parathyroid hormone

(A) (0, (1), (iv), (४) ಹ (vi) (B) (0, (ii), (iii), (iv) & (vi)
(6) ‏,رق‎ (ii), (iii), (v) & (vi) (0) ‏برق‎ (iii), (iv), (v) & (vi)
52. Aminoacyl tRNAs are escorted to the ribosome by the elongation factor
(A) EF-T, (8) eEF-2
(0) EF-T, (D) EF-G
53. ൧ set of statistical methods (Column A) and their applications (Column 13) in a random
manner are given below :
Column - A Column - 8
1. Variance ഒ. Measures strength of association
between two variables
2. Correlation coefficient ம. Prediction of value of a dependent

018/2021 `

variable based on known value of an
associated variable

3. Regression analysis c. Calculation of deviation between
observed & expected values
4. Chi-square analysis 0. Calculate the spread of distribution
(^) 1-0; 2-6; 3-8; 4-௦ (8) 1-८; 2-b; 3-0; 4-8
(6) 1-6; 2-a; 3-b; 4-௦ (2) 1-8; 2-c; 3-0; 4-d
८८ ८८ ۶ ५८८ 34
¢) ii) (1)

Which of the following is the correct definition for the character evolution patterns
shown above ?

(A) (0) - Autapomorphy ; (11) - Synepomorphy ; (iii) - Homoplasy
(B) 0) - Autapomorphy ; (11) - Homoplasy ; (iii) - Synepomorphy
(C) 0) - Synepomorphy ; (14) - Autapomorphy ; (iii) - Homoplasy
‏رمق‎ (i) - Synepomorphy ; (14) - Homoplasy ; (iii) - Autapomorphy
8 A

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