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| Free IIT Madras BS notes, PYQs and mock tests at btechi.in |
BSHS1001 · 11 topics · 16 min read
i
e
a
o
u
ʌ
ə (schwa)
ii
aa
oo
uu
əə
PYQ answers (2023–24)
Word with a 'u' sound: Root / Foot / Court? · With an 'oo' sound: Court / Loot / Cat / Feat? · With 'aa': Hoard / Board / Hard / Teeth? · Without 'ii': Meet / Lead / Wet / Wheat? · Same vowel as 'pack': Cat / Bleat / Shear / Boat?
Answer: Foot · Court · Hard · Wet · Cat
Traps to avoid
ei
ai
oi
ou
au
iə
eə
uə
PYQ answers: 'Which word has no diphthong?'
Snout / Stout / Sport / Shout (asked Sep 2023 and Jan 2024) · Mouth / South / Pout / Moot (May 2024) · Loiter / Stew / Maiden (May 2023) · Which have a diphthong: Bottle / Boycott / Bail (May 2023)?
Answer: Sport · Moot · Stew · Both Boycott and Bail
Shortcut: Say the vowel slowly. If your jaw or tongue moves during it, it's a diphthong. If it stays put, it isn't.
Bilabial (both lips)
Labiodental (lip + teeth)
Dental (tongue + teeth)
Alveolar (tongue + ridge behind teeth)
Post-alveolar
Palatal
Velar (back of tongue + soft palate)
Glottal
PYQ answers: odd one out by initial sound
near, dear, tear, gear (May 2024) · noun, down, town, gown (Jan 2024) · peat, beat, clear, pear (May 2024)
Answer: Gear · Gown · Clear
| Manner | Sounds |
|---|---|
| Plosive (stop, then burst) | p b t d k g |
| Nasal (air through the nose) | m n ŋ |
| Fricative (friction) | f v θ ð s z ʃ ʒ h |
| Affricate (stop + friction) | tʃ dʒ |
| Approximant | l r w j |
| Voiceless / voiced pairs | p/b, t/d, k/g, f/v, s/z, θ/ð, ʃ/ʒ, tʃ/dʒ |
go‿out → go-w-out (PYQ Sep 2023) · do‿it · who‿is
she‿offered → she-y-offered (PYQ Jan 2024) · me‿off (PYQ May 2024) · I‿am · they‿are
Proper
Common
Collective
Abstract
Material
Compound
Uncountable
| Kind | Words |
|---|---|
| Personal | I, you, he, she, it, we, they · me, him, her, us, them |
| Possessive (stand alone) | mine, yours, his, hers, ours, theirs: 'That is yours.' |
| Possessive (before a noun) | my, your, his, her, our, their: the answer keys mark these Pronoun |
| Reflexive | myself, yourself, themselves |
| Demonstrative | this, that, these, those |
| Interrogative | who (subject), whom (object), whose, which, what |
| Relative | who, whom, whose, which, that |
| Indefinite | someone, anyone, everyone, nobody, each |
PYQ answers
Not an abstract noun: Goodness / Youth / Poverty / Parliament? · Noun in 'Working hard can bring you success'? · Nouns in 'Shraddha is a brilliant student'? · 'This is my letter and that is ___' · '___ wrote The Canterbury Tales?' · 'Their fans were very disappointed': Their is a…?
Answer: Parliament · Success · Shraddha + Student · Yours · Who · Pronoun
Traps to avoid
can
could
may
might
must
should
will / shall
would
ought to
since, for, ever, never, just, already, yet
yesterday, last year, ago, in 2010
now, at the moment
every day, usually, always
by + a future time
'The teacher, as well as the students, is responsible.' (PYQ)
'We will get it done.' (PYQ)
| Pair | Rule |
|---|---|
| tell / say | tell + a person ('Don't tell me…', PYQ); say + the words ('say that…') |
| affect / effect | affect = verb, to influence ('The storm affected the coast', PYQ); effect = noun, a result |
| lie / lay | lie = rest (no object); lay = put something down |
| rise / raise | rise has no object; raise needs one |
Traps to avoid
good / well
bad
many / much
little
far
fast
| Adjective | Adverb |
|---|---|
| suitable | suitably (PYQ) |
| happy | happily |
| true | truly |
| gentle | gently |
| basic | basically |
Traps to avoid
a laptop, a cold day, a book, a university, a European, a one-way street
an emergency exit, an hour, an honest man, an MBA, an umbrella
'Pass me the book on the table.'
the Sun, the Earth, the sky, the east
the best, the first, the only
the Ganga, the Himalayas, holidays in the mountains
Mount Everest, India, English, breakfast, cricket
PYQ answers
There is __ emergency exit · This is __ best chocolate cake · __ Sun rises in the east · Tomorrow will be __ cold day · I want to buy __ laptop · They spend their holidays in __ mountains · He gave me __ book on my birthday
Answer: an · the · The · a · a · the · a
at
on
in
since / for
ahead of
| Phrase | Example |
|---|---|
| worried about | Sushma is worried about the exam. (PYQ) |
| in my opinion | In my opinion, she is clever. (PYQ) |
| look into | Look into the matter (investigate). (PYQ) |
| interested in · good at · afraid of | She is good at maths but afraid of heights. |
| depend on · responsible for · different from | Who is responsible for this? |
| angry with a person · about a thing | She was angry with him about the delay. |
Coordinating (FANBOYS)
Correlative (pairs)
Subordinating
Traps to avoid
| Phrasal verb | Meaning |
|---|---|
| wait on | serve someone (PYQ) |
| lay off (something) | stop doing or using it (PYQ: TRUE); also: dismiss workers |
| break up | end: 'The meeting broke up before dinner' (PYQ) |
| break out | start suddenly (war, fire) |
| break into | enter by force |
| bring up | raise a child: 'The kids were well brought up' (PYQ) |
| bring out | publish or launch |
| come across | find by chance (PYQ: inseparable) |
| look into | investigate |
| take after | resemble a parent |
| put off · call off · get off | postpone · cancel · leave a bus or train |
| put up with | tolerate |
| Idiom | Meaning |
|---|---|
| a dark horse | an unexpected winner (PYQ) |
| cut corners | do something the fastest, cheapest way (PYQ: TRUE) |
| break the ice | remove the tension at a first meeting (PYQ) |
| get out of hand | become difficult to control (PYQ) |
| cost an arm and a leg | be very expensive (PYQ) |
| keep someone in the loop | keep them updated (PYQ) |
| be on board | agree with, support (PYQ) |
| take a hit | be affected badly (PYQ) |
| once in a blue moon | very rarely |
| under the weather | slightly ill |
| spill the beans | reveal a secret |
| hit the nail on the head | be exactly right |
| a blessing in disguise | a good thing that first seemed bad |
| burn the midnight oil | work late into the night |
| see eye to eye | agree |
| beat around the bush | avoid the main point |
| call it a day | stop working |
| a piece of cake | very easy |
| Paper | Pairs |
|---|---|
| May 2023 | land acquisition · moral decay · final blow · weather forecast · unanimous decision |
| Sep 2023 | sports equipment · library card · garden hose · job offer · fishing rod |
| May 2024 | bank account · strong coffee · lazy afternoon · short temper · ancient ruins |
| Also learn | heavy rain · make a decision · do homework · take a break · pay attention · catch a cold · commit a crime · deep sleep · golden opportunity · tight schedule · broad daylight |
Shortcut: Match collocations in two passes: lock the pairs you're sure of first (weather forecast, bank account), then the leftovers fall into place.
| Words | Meanings |
|---|---|
| week / weak | seven days / not strong: 'stay for a week' (PYQ) |
| wether / weather / whether | a castrated ram / climate / if: 'The wether was unsold in the auction' (PYQ) |
| too / to / two | excessively or also / towards / 2 |
| course / coarse | a path or programme / rough |
| principal / principle | head, main / a rule |
| stationary / stationery | not moving / paper and pens |
| complement / compliment | completes / praise |
| accept / except | receive / excluding |
| loose / lose | not tight / misplace |
| desert / dessert | sandy land / sweet dish |
| its / it's | belonging to it / it is |
| Word | Answer |
|---|---|
| tenacity | antonym: timidity |
| yeoman | a farmer who owned and worked on his own land |
| archipelago | a collection of islands |
| order | antonym: chaos |
| surpassed | exceeded |
| touted | promoted |
| tanking | failing |
| debut | first appearance |
| prove · maladroit · tired · coach · coarse | establish · clumsy · wearied · counsel · gravelly |
Shortcut: Synonym or antonym from a passage? Put each option into the sentence. The synonym keeps the meaning; the antonym flips it.
| Situation | Phrase |
|---|---|
| Answering a formal call | Good morning, XYZ Hospital. How may I help you? |
| Asking for someone | May I speak to Dr. …, please? |
| Asking the caller to wait | Could you please hold the line? / Please hold on a moment. |
| Taking a message | Would you like to leave a message? / May I know who's calling? |
| Booking | I'd like to book an appointment for… |
| Didn't catch it | Could you repeat that, please? |
| Closing | Thank you for calling. Have a nice day. |
| Informal reply | I'm doing great, thanks. How about you? |
Shortcut: For each blank, read the line after it. The reply tells you what the blank said: 'Sure, I'll hold' means the blank asked them to hold.
Traps to avoid
Exam morning
The 12 things to read on the way to the exam centre.
Now test yourself
Sit a real paper in the exam portal, then come back to the Traps view for whatever you got wrong.
Formulas and conventions follow the IIT Madras BS course material for weeks 1–4. “Every paper” and “Most papers” count how often a topic appears in the qualifier papers on BTechi (January 2023 to May 2024). BTechi is not affiliated with IIT Madras.