Which of the following compounds is a major contributor of the stench odor that

Question

Which of the following compounds is a major contributor of the stench odor that the Titan Arum plant produces?

Methane thiol

3-methylbutanoic acid

Trimethylamine

Methyl thiolacetate

Dimethyl disulfide

Which of the following compounds produced in the breakdown of garbage but does not contribute to the stench smell?

Putrescine

acetaldehyde

Trimethylamine

Dimethylsulfide

Methanethiol

Which class of the organic compounds contributes the fruity aroma of mangoes?

Aldehydes

Esters

Carboxylic acids

Alcohols

Amines

What compound is found in poison ivy and the skin of mangos?

Ethyl butanoate

g-octalactone

Urushiol

Acetone

Benzaldehyde

Which synthetic opioid like compound has the greatest potency as compared to heroin?

Fentanyl

morphine

Buprenorphine

codeine

Methadone

Which of the following compounds has the ability to reverse the effects of opioid overdoses?

Fentanyl

Carfentanyl

Acrylfentanyl

Furanylfentanyl

Naloxone

What functional group family do all the fentanyl derivatives have in common?

A)Ester and amine

B)Amide and amine

C)Alkene and amine

Alcohol and amine

    Carboxylic acid and amine

Methadone eases the withdrawal symptoms for people getting sober. Which of the following functional group family is not present in this molecule?

Aromatic

Ketone

Amide

Amine

alkyl group

What is the name of the proton source that allows the dyes to stick to an egg during the dyeing process?

Formic acid

Butyric acid

Acetic acid

Benzoic acid

Hydrochloric acid

In gel nail polish, which monomer (an alkene) when exposed to a photoinitiator benzoyl peroxide in the present UV light will cause its polymerization and solidification?

Ethylene

Propylene

Styrene

Methacrylate

Acrylic acid

Which compound is added to some nail polishes to prevent them from changing colors when exposed to sunlight?

Acetophenone

Benzophenone

Acetone

2-butanone

Ethyl acetate

What is the plasticizer added to nail polish to prevent cracking or chipping?

Trimethylphosphate

Triphenylphosphate

Butyl acetate

Ethyl acetate

Benzophenone

Which of the first tuberculosis (TB) drugs contains only amine and alcohol functional groups?

Isoniazid

Ethambutol

Rapamycin

Pyrazinamide

Streptomycin

Which of the following compounds is one of the contributor to the aroma of freshly prepared popcorn?

2,4-hexanedione

2-acetylpyrroline

isoprene

nitrocellulose

cellulose acetate

Which one of the compounds is not a contributor to the aroma of roses?

nerol

2-hexenal

Geraniol

Citronellol

b- damascene

Evergreen trees can protect their needles from ice damage by using self-produced antifreeze. The hormones ethylene and _____________ has been shown to regulate plant antifreeze activity.

cutin

chlorophyll

glucose

ethylene

jasmonic acid

The nitrogen containing compound,____________ is a stimulant used in doping of athletes.

Meldonium

Adrenaline

furosemide

Morphine

testosterone

During a moment while watching a thriller film, the compound ____________ was found to be produced by movie audience’s bodies.

I,3 –butadiene

2-methyl-1,3-butadiene

3-methy-1,3-butadiene

2-furfurylthiol

2,3-pentanedione

What is the common structural feature found in the colored human body fluid components?

heterocyclic nitrogen compound

heterocyclic oxygen compound

alcohol functional group

ester functional group

aldehyde functional group

One of the compounds found in the embalming materials for mummification can be identified as a substituted _____________.

benzaldehyde

phenol

aniline

benzoic acid

toluene

When grass is cut, volatile organic chemicals are emitted. What is the main compound that gives fresh cut grass its smell?

ethanol

methanol

(Z) 3-hexenyl acetate

(Z) 3-hexenal

(Z) 3-hexen-1-ol

The emitted volatile organic compounds from fresh cut grass are derived from which two fatty acids?

palmitic and stearic acid

lauric and myristic acid

linoleic and linolenic acid

arachidonic acid and oleic acid

DHA and EPA

Which class of compounds found in grapefruit and grapefruit juice are known to interact with a large of drugs usually resulting in adverse effects?

steroids

furanocoumarins

betanin

myristicin

catechin

What compound is formed during the ripening process of the cheese, Camembert?

3-methylbutanoic acid

Lactic acid

diacetyl

methanethiol

1-octen-3-one

Which of the following compounds is the most responsible for the efficacy of anti-aging creams?

Vitamin C

Vitamin E

retinoic acid

gluconolactone

peptide

Explanation / Answer

1. Dimethyl sulfides are the major chemical responsible for the rotten flesh smell of the Titan Arum plant. At the later stages during the end of the life cycle of the plant, Trimethyl amine contributes to the foul rotten fish smell too.

2. Out of all the compounds given, Triethyl amine although has a fishy smell but does not contribute to the stench of decomposed garbage.
Amines usually have higher odour thresholds than all the other compounds given,
eg: putrescine smells of rotten meat, methanthiol smells of rotten cabbage, acetaldehyde has a pungent smell.

3.Esters are responsible for the fruity aroma of mangoes.

4. Urushiol is the common compound between the skin of mangoes and poison ivy.

5. Fentanyl has the highest potency amongst all the other drugs.

25. efiicacy of anti aging creams is shown by Vitamin A commonly know as retionoic acid.

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