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Pre- Board 1/X/Ar fificial Inte llige nce (417) /2022-2 3

Time: 2 Hrs MM: 50

G<'nern l ln slrurtions :

I . Please re:id the i11structi(1t1s can.:full y.

2. This Questi\111 Paper rn11sists nf 2 1 questions in two secti ons: Section A & Section
B.
s.
~- Section t\ h:1:- Ohjccti, c type questions whereas Section 8 conta ins Subjecti ve type question
allotted
-t . Out the gi, rn (5 -i 16 ) 2 1 questions, a candidate has to answer (5 + I O ==) 15 questions in the
llf
(lll:t\. imum) time of 2 hours.
5. :-\II questions ofa part icular section must be attempted in the correct order.
t- . SECTION A - OBJEC TfVE TYPE QU ESTION S (24 MARKS):
i. This section has 05 questions.
ii. l\1arks allotted are mentioned against each question/part.
iii. There is no negative marking.
iY. Do as per the instructions given.
7. SECTIO N B - SUBJEC TIVE TYPE QUEST IONS (26 MARKS ):
i. This section has 16 questions.
ii. A candidate bas to do IO question s.
iii. Do as per the instructions given.
iv. Marks allotted are mentioned against each question/part.

SECTION A: OBJECTIVE TYPE QUESTIONS

Ql. Answer any 4 out of the given 6 questions on Employability Skills (lx4==4 marks)
I. · helps to manage stress?
a. Take time to relax by exercising and watching movie.
b. Talk to someone close about the issue.
c. Focus on the important task.
d. All of the above.
11. Krishnam has prepared a timetable to achieve his goal. This skill is known as

a. Self-awareness
b. Responsibility
c. Time management
d. Adaptability
Jll. What should you do to ensure secure online transactions?
a. Lock your comput er
b. G ive credit card or bank details only on safe websites
c. Use anli virus
d. Do not use pirated suliwarc
 JV .
.
JCT refers to a ll the metho ds, too 1s., conce
. , pts related to
·
a. storing digital inforniatio11
b. record ing digital inli.ir111ation
c. sendin g digital inform ation
d. All of the above
,·. Which o ne is 1101 a disadvantage of Entrepreneurship?
a. Risky
b. Uncert ain Incom e
c. You are the boss
d. Work long hours
\ ' 1. The process of developing a business plan, launching and running a
busine ss using
innovation to meet customer needs and to make a profit is _ _ _ _
__
a. Software engineer
b. Entrepreneur
c. Civi l engineer
d. Mechanical engine er

Q.2 Answe r any 5 out of the given 6 questions on Subject specific Skills
(1 x 5 = 5 marks )

i.) The ability to regulate, measure, and understand numerical symbols,

abstra ction
and logic is known as ___ _ Linguistic Intelligence.

a) Linguistic Intelligence
b) Spatial Visual Intelligence
c) Kinae sthetic Intelligence
d) Mathe matica l Logical Reasoning

ii.) Unscr amble the letters and find which is not a virtual assista nt

a) LZEIA b) IIRS c) LAEA X d) AACT RON

iii .) In a class, a teache r has group ed studen ts accord ing to their level of intelli
gence like
Below Avera ge, Avera ge, Abov e Avera ge and Brillia nt to evalua
te their acade mic
perfor mance . This is an examp le of:
a) Regre ssion b) Classi ficatio n
c) Cluste ring d) Decis ion Tree
1v Jalaj is in the eighth grade. He loves books with pictur es. He enjoy
s taking pictur es,
painti ng and sketch ing. He has the ability to see the outsid e world
clearl y in his mind
and then recrea te those pictur es in his painti ng book exactl y
as they appea r. He
wishe s to pursu e a career as a painte r. What type of intelli gence
does he have?
a) Reaso ning and Logic al Intelli gence
b) Lingu istic Intell igenc e
c) Natur alist Intell igenc e
d) Spatia l Visua l Intelli gence
 v.) Which of the fo ll owi ng statements is conec t?
(i) A n Al model is a compu ter progra m th at has been taught to 1·d ennI y spec1·ti1c
patterns.
es.
(i i) An Al mode l is a human who has been tra ined to instruct machin
s.
(iii) An AI model is a robot that has been progra mmed to instruc t human
onship in the
(iv) An Al model req uires a large amount of data to derive a relati
data .
a) (i) and (iv) onl y
b) (ii) and (iv) only
c) (i) and (iii) onl y
d) (i), (iii) and (iv)

v i.) Which of the follo wing is not a domain of AI?

a) Data Scienc e
b) Comp uter Vision
c) Natura l Langu age Proces sing
d) Neural Netwo rk

Q.3 Answ er any 5 out of the given 6 questions(l x 5 = 5)

machine 1
I. A large numbe r of input features can result in poor performance for
numbe r of input
learnin g algorit hms. Which of the following helps in reducing the
feature s ?
(a) Superv ised Learni ng (b) Decision Tree

(c) Classi ficatio n ( d) Dimensionality Reduction

le sources are
11. Identif y the stage of AI Proj ect Cycle - in this stage, data from multip
collec ted, cleare d and aggreg ated in suitable format and normalized.

(a) Proble m Scopin g (b) Data Acquisition

( c) Data Explo ration (d) Model ling

objects in
111. A teache r instruc ts the studen ts to draw and colour five geome tric
into an Al
differe nt colour s. The sheets provid ed by the childre n are then put
s. The model is
machi ne which is then sorted , based on simila r shapes and colour
white square, etc.
able to predic t if the image is a red circle, a green rectan gle, or a
This is an examp le of:
(b) Unsup ervise d Learni ng
(a) Neura l Netwo rks
(d) Reinfo rceme nt Learni ng
(c) Superv ised Leami ng
ly replies to live
IV . ' ASK DI SHA' is an inquir y-base d chatbo t of IRCTC that instant
t, check refund
querie s from users related to questi ons like cancel lation of e-ticke
_ _ __
status, check availa bility, Tatkal timing , etc. This chatbo t uses _
domai n.
 . • . . first it is divided into
. I . . , . , l ·11111111I or :t h1 µ order arises . .
\ . In an org:111 11at 1011. '" ,u11.:\ U ., < L . • • . t" ff·rcnt departments in order to
sma ll sq,t111c11ts ~111d the \\11rl-. ltiad is d1 st1 ih11 tcd '" t ' c
fultill the tk s11ed 11nk 1. l'llls depicts :
(h)( 'lus tain g .
l ., ) C1:isslfic.1t mn
(d) l)imcsnsiona lity Redu c ti o n
t l·) Rc)!ressi1111

\ 1 \\'h il·h of the fo lluwin g is im:orn.:ct?

. . d model basicall y to fit the
(i) T csting data is the o ne on wltrch we train an 11tl our
p:1r..m1ctcrs.
(ii) Tr.ti ning data is used on ly to assess performance of model.
(iii) Testing data is the unseen data for which predictions have to be made.

(a) (i) and (iii) onl y (b) (i) and (ii) only
(c) (ii) and (iii) only (d) (i), (ii) and (iii)

Q.4 Answer any 5 out of the given 6 questions (1 x 5 = 5)

1. Statement - 1: The development of NLP application is challenging.
Statement - 2: Computers require humans to speak with them in a language which is
precise, unambiguous and highly structured.

(a) Both Statement! and Statement2 are correct

(b) Both Statement! and Statement2 are incorrect
(c) Statement 1 is correct and Statement 2 is incorrect.
( d) Statement I is incorrect and Statement 2 is correct
11. Give the formula for TF-IDF, in terms of TF and IDF
111. N ikita is learning to create NLP based programs. In o·ne of her text normalization
programs, she used the following words:
'crying', 'cry', 'cried', 'smiling', 'smile', 'smiled', 'smiles'
And the program returned:
'cry', 'cry', 'cri', 'smili', 'smile', 'smile', 'smile'
Which of the following techniques did she use in her program?
(a) Tokenisation (b) Bag of Words
(c) Stemming (d) Lemmatisation
1v. Give the fuJJ form of:
(a) TFIDF (b) BoW
v. How many tokens are there in the sentence given below?
Some of the challenges faced in the progress of education in India an~ lack of capit~,1.
mass illiteracy, brain drain, wastage of resources, outdated syllabus. de .
v1. for its use rs where us~rs can ask about the
Rutge rs' archive has installed a chatbot
articles and papers s tored in archive. However. all the details. mks and informati n
0
about the articles a nd research pape rs is already fed in thl! chat bot prngrarn and won ·
1
alter anytime. What type of c hat hot is it ?
 ls (1 x 5 = 5 mar ks)
6 que stio ns on Suhj cl"I -.p cdfi c Skil
Q .5 Ans wer any 5 out of the giv en
''
th i1"1h 1.: mod c..: l 111.:1.;ds to have 100% accuracy
i .) Wh:1t should he e v:,lu e ol°F l sc..:m c
/\ n111dcl has g11ud pcr!"orn1 :111c c i r
the FI Sco re for th at mod i.:! is.
ii.)
:i.)l ciw h.) llig h c..: .)Ho th aan db cl .) None of abo ve
ity? What
t will be th c nutc(~llle. il"thc Predicti on is " N O" and it matches with the Real
Wh:1 >
iii .) 11 "Ye s" and it docs not match the Reality'
"ill be the outcome . the Pred ict ion is
true for the term Eva luation?
Which of th c foll owi ng statements is
Cyc le.
a) Eva luat ion is a stag e of Al Pro ject
luat ion 1s last stag e of Al proiJ ect c ~e .
I
b) Eva I . y of any Al mod el
c) Hep s 111 und erst and ing the relia bilit
d) All of Abo ve
· ·
d. · recorded 111 wha t we
v.) The resu lt of com pari son betw e en th e pre 1ctton and reality can be
call the -- -- -
---
a.) Ove rfitt ing b.) Pro blem Sco ping
c.) Con fusi on Mat rix d.) Dat a acq uisi tion
Rea lity .
vi .) Dif fere ntia te betw een Pre dict ion and
lt of the
mac hine to rece ive the exp ecte d resu
a) Pre dict ion is the inpu t give n to the
real ity.
mat ch the reality.
b) Pre dict ion is the outp ut give n to is the real
is give n by the mac hine and the real ity
c) The pre dict ion is the outp ut whi ch
bee n mad e.
sce nar io in whi ch the pred icti on has
use d inte rcha nge ably .
d) Pre dict ion and real ity bot h can be
QUESTIONS
SE CT IO N B: SUBJECTIVE TYPE
y Skills (2 x 3 = 6 marks)
An sw er an y 3 ou t of the given 5 questions on Employabilit
2
Abi litie s. (An y two poin ts)
Q6 . Dif fere ntia te betw een Inte rest and
2
self -mo tiva tion?
Q. 7 Wh at are the fou r step s for buil ding
2
thef t and viru ses?
Q.8 Ho w do you pro tect you r data from
2
tion abo ut entr epre neu r.
Nam e all fou r My ths or a mis con cep
Q .9 2
ces sful entr epr ene ur?
Wr ite any two qua litie s fou nd in suc
Q.10
marks)
er an y 4 ou t of the giv en 6 qu est ions in 20 - 30 words each (2 x 4 = 8
An sw
the foll owi ngs .
Wr ite the nam e of A.I . dom ains for
Q.11
a.) Sna p Cha t Filt er - b. ) Fac e Loc k in Pho ne -

c . ) Cha tbo t - d.) Ima ge sea rch Opt ion -

n al
rpe rso nal inte lligenc e and lntra p erso
Wh at is the diff ere nce bet wee n Inte
Q.12
Inte llig enc e?
net wor k?
Wh at are the feat ure s of a neu ral
Q.13
wit h an exa mp le.
Exp lain 'Ba g of wo rds ' alg orit hm
Q.1 4
Ho w Sen ten ce Seg men tati on is diff eren t from Tok cni z atio n?
Q.1 5
 2
Q. 16 Out or the 60 pictures of tiger cubs and kittens, of which 45 were kitten, how many
ti ger cubs must be llHldcl identify correctly along with 35 kitLcn images correctly
idcntifo:d so that the accuracy is more than 75'¾1?

(Long answer type questions from Part 8)

Answer any 3 out of the given 5 questions in 50- 80 words each (4 x 3 = 12 marks)
4
Q. 17 Artificial Intelligence has the power to increase primary care and triage via chatbots.
Chatbots offer immed iate conversational responses and connecting becomes quite
simple for patients. They can save money on avoidable trips to the medical
practitioner. When executed effectively, chatbots can even aid healthcare providers to
exceed patients' expectations while improving patient outcomes. As chatbots adopt an
all-in-one communication approach, they encourage patients to share their health
information proactively, enabling medical practitioners to hone patient care quality,
mitigate costs, and boost patient satisfaction.
On the basis of above information, answer the following questions:
(a) Which topic is discussed in the paragraph?
(b) How it is improving patient outcomes?
All-in-one communication approach. Justify the statement.
Q. 18 Define the following terms in AI. 4
a. Artificial Intelligence
b. Machine Leaming
C. Deep Leaming
d. Data Science
Q.19 Write short note on the followings . 4
a. Computer Vision
b. Self-Driving cars/ Automatic Cars
C. Face Lock in Smartphone
d. Email filters

Q.20 Through a step-by-step process, calculate TFIDF for the given corpus 4
Document 1: I like, Oranges.
Document 2: I also like Bananas.
Document 3 :0ranges and Bananas are good for health

Q.21 Take a look at the confusion matrix: 4

Reality
The Confusion Reality Matrix
YES NO

False Positive
YES True Positive (TP)
(FP)
Prediction
False Negative True Negative
NO
(FN) (TN)

How do you calculate Fl score? (Explain each stage with formula)