Lab assistant last year papers | High school final essays Mathematics

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J1"~~RaCfjI / QUESTION BOOKLET

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SR.No.

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Number of Pages in Booklet: 48

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Number of Questions in Booklet: 150

111145

~ / Time: 3.00 ~ / Hours ~ / Maximum Marks: 300

INSTRUCTIONS

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I. At the start of the examination before attempting the question

paper kindly check your test booklet and OMR Answer Sheet

and ensure that:-

~ The serial numbers of test booklet and OMR answer sheet are

same.

~ All pages of test booklet

OMR answer sheet are properly

printed and test booklet is not damaged in any manner. No page

of test booklet is missing.

In ease of any discrepancy/defect the candidate should immediately

report the matter to the invigilator for replacement of test booklet

OMR answer sheet. No claim in this regard will be entertained after

five minutes of start of examination. Candidate will be liable for it.

2. Answer all questions.

3. All questions carry equal marks.

4. Only one answer is to be given for each question.

If more than one answers are marked, it would be treated as

wrong answer.

6. Each question has four alternative responses marked serially as

1,2,3,4. You have to darken only one circle or bubble indicating

the correct answer On the Answer Sheet using BLUE BALL

POINT PEN.

7. ]/3 part of the mark(s) of each question will be deducted for

each wrong answer, (A wrong answer means an incorrect answer

or more than one answers for any question. Leaving all the

relevant circles or bubbles of any question blank will not be

considered as wrong answer.)

8. Mobile PhonefBluetooth Devices or any other electronics gadget

in the examination hall is strictly dealt as per rules.

9. Please correctly fill your Roll Number in O.M.R. Sheet 5 Marks

will be deducted for filling wrong or incomplete Roll Number.

10. If there is any sort of ambiguity/mistake either of printing or

factual nature in Hindi and English Version of the question, the

English Version will be treated as standard.

Warning: If a candidate is found copying or if any unauthorized

material is found in hislher possession.

ELK

would be lodged against

himlher in the Police Station and he/she would liable to be prosecuted

under Section 3 of the State Prevention of Unfair means Act,

1992 and Board Regulations. Board may also debar him/her

permanently from all future examination of the Board.

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Do not open this test booklet until you are asked to do

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I'---

!,--AL-2_0_16_l

J1"~~RaCfjI / QUESTION BOOKLET

SR.No.

~ij~~~/

Number of Pages in Booklet: 48

Number of Questions in Booklet: 150

INSTRUCTIONS ~~T

~ : '3i'R em.3i'Rl1TI ~ ~ I:filJST ~ ~ 'TT ~

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infants is about 1 in 14,000 assuming random matting, what is the frequency of heterozygotes?

1) 0.017 2) 0.009 3)^ 0.018^ 4) 0.

Column I Column II

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<J. (c)~~ (iii) fllf0;j;qI 0

3) (iii)^ (i)^ (iv)^ (ii)

3) ~lfi:y~11, ~~, GtJm'J:j~B en ~ m (JIC1lr^1 q1'J ~ ~)

unique amino acids could be coded by such a system:-

2) Larger brain

4) ·:mtTcfl ~

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Column I Column II

b) Limnophobia ii) Fear of lakes

iii) Fear of old age

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16) Btt ~ ~ q~illH~ ----'~-,-~-'-~----~-------~-~--.---------~---~--- ..---

17) Which of the following is the most likely inheritance pattern in the pedigree given below.-

CJ---.----~()

3) Igl~klBl~cB

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1) ~Jffi:fR 2) ~

23) Hematopoietic stem cells can be found in :-

Genetic code Amino acid

25) A plant of genotype AABbCC is selfed, Phenotypic ratio of Fe generation would be :-

1) X 2)^ VII^ 3)^ II^ 4) IV

1) X 2)^ VII^ 3)^ II^ 4) IV

Clotting factor Number

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XIII

II

VI

VII

(c) 2A - D

(d) 2A,5 - T

(e) 2A - D

34) For a perfect gas the specific heat at constant pressure Cp and that at constant volume C, are related

as :-

35) Efficiency of a reversible heat engine working between a sink at temperature 30° C and source at

temperature 90° Cis ;-

1) 1/3 2)^ 2/3^ 3)^ 20/]21^ 4)^ 10/

1) 1/3 2) 2/3 3) 201121 4)^101121

36) In adiabatic expansion of a system in which its temperature changes from a value T 1 to the

entropy will :

1) Increase

2) Decrease

3) Remain unchanged

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3) x - (O.l)sin(n t + n/2) 4) x = (O.I)sin(lIt+nI4)

100 and 1 is

1) 101 : 99^ 2)^ 11 : 9^ 3)^ 121 :^ 8]^ 4)^ 10 :^1

43) Two trains are approaching each other with a relative speed of 50 km/hr, Engine of one of the trains

whistles at a frequency of 100 Hz. Apparent frequency of the whistle heard by a passenger in the

1)9l.9 Hz 2)^ 108.8^ Hz^ 3) 73.7 Hz 4)^ 152 Hz

1) 9.2 x 108 Newton

4) -9.2 x 10-^18 Newton

3) -9.2 x 10-8 ~

2) 9.2 X 1O-1~ .-',-),.

4) -9.2 x 10-^18 ~

3) 9 X 103 Newton/Coulomb 4)^ <)^ x 10^15 Newton/Coulomb

23-~^17

1) 9 X 10-^5 ~ I ~