What is oxidant and toxin and how to recognize it?

1 Answer

Answer :

The oxidizer receives the electron and the oxidant donates. In short , remember (awake scholar)

Related questions

Description : Freon is used as - (1) Oxidant (2) Refrigerant (3) Catalyst (4) Both (1) and (2)

Last Answer : (2) Refrigerant Explanation: Freon uses for a number of halocarbon products. They are stable, nonflammable, moderately toxic gases or liquids which have typically been used as refrigerants and as aerosol propellants.

Description : Drinking soda is – (1) Alkaline (2) Acidic (3) Neutral (4) Oxidant

Last Answer : (2) Acidic Explanation: A soft drink, coke, soda pop, fizzy drink, tonic, .seltzer, mineral, sparkling water or carbonated beverage) is a beverage that typically contains water (often, but not ... other ingredients. Soft drinks are called "soft" in contrast to "hard drinks" (alcoholic beverages).

Description : Drinking soda is (1) Alkaline (2) Acidic (3) Neutral (4) Oxidant

Last Answer : Acidic

Description : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant increases. Reason :- Oxidant gains electron(s)

Last Answer : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant ... D. If both Assertion & Reason are False.

Description : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- Fluorine cannot show positive oxidation state.

Last Answer : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- ... is False. D. If both Assertion & Reason are False.

Description : Which of the following act both as oxidant & reductant :-

Last Answer : Which of the following act both as oxidant & reductant :- A. `H_(2)S` B. `SO_(3)` C. `H_(2)O_(2)` D. `F_(2)`

Description : In the course of a chemical reaction an oxidant -

Last Answer : In the course of a chemical reaction an oxidant - A. Loses electron B. Gain electron C. Both ... and gain electrons D. Electron change does not occur

Description : `HNO_(2)` acts as an oxidant with which one of the following reagent :-

Last Answer : `HNO_(2)` acts as an oxidant with which one of the following reagent :- A. `KMnO_(4)` B. `H_(2)S` C. `K_(2)Cr_(2)O_(7)` D. `Br_(2)`

Description : What will be n-factor for `Ba(MnO_(4))_(2)` in acidic medium? (Where it behaves as oxidant)

Last Answer : What will be n-factor for `Ba(MnO_(4))_(2)` in acidic medium? (Where it behaves as oxidant) A. 5 B. 10 C. 6 D. 3

Description : Ultraviolet radiations produce the photo oxidant

Last Answer : Ultraviolet radiations produce the photo oxidant A. `SO_(2)` B. Flouride C. CO D. `O_(3)`

Description : This vitamin acts as anti oxidant. (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K

Last Answer : Answer : D

Description : This vitamin acts as anti-oxidant: (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K

Last Answer : Answer : C

Description : Retinoic acid can (A) Act as a photo receptor (B) Support growth and differentiation (C) Act as an anti-oxidant (D) None of these

Last Answer : Answer : B

Description : Anti-oxidant activity is present in (A) β-Carotene (B) Retinol (C) Retinoic acid (D) All of these

Last Answer : Answer : A

Description : The more positive the E0, the greater the tendency of the oxidant member of that pair to (A) Lose electrons (B) Gain electrons (C) Lose (or) gain electrons (D) Lose and gain electrons

Last Answer : B

Description : Which of the following is an anti oxidant? (1 ) Vitamin-C (2) Vitamin-K (3) Vitamin-B (4) Vitarnin-D

Last Answer : (1 ) Vitamin-C Explanation: Vitamin B12 contains cobalt. Deficiency of Vitamin B12 causes pernicious anaemia and inflammation of tongue and mouth. Vitamin A. Vitamin C and Vitamin E are antioxidants.

Description : Anti-oxidant activity is present in (A) β-Carotene (B) Retinol (C) Retinoic acid (D) All of these

Last Answer : (A) β-Carotene

Description : Which of the following is an anti oxidant ? (1) Vitamin-C (2) Vitamin-K (3) Vitamin-B (4) Vitamin-D

Last Answer : Vitamin-C

Description : Does peanut butter contain a toxin, or toxic fungus?

Last Answer : Yes! Aflatoxin. There’s a lot of information on this but here’s a start!

Description : Explain the mode of action of bt toxin on insects -Science

Last Answer : answer:

Description : What is Toxin ?

Last Answer : : Toxins are toxins or toxins and toxins are toxic or poisonous. This toxin enters the body over a long period of time and infects various internal organs. In addition to food or chemicals ... an animal or organism and gradually produces antibodies against the organism and the animal's body. Thanks.

Description : Drugs & Toxin are mainly excreted by which process `:-`

Last Answer : Drugs & Toxin are mainly excreted by which process `:-` A. Ultra filtration B. Digestion in the form of excreta C. Tubular secretion D. Diffusion

Description : What will most likely happen is a toxin causes the hydrogen ion pump to stop moving h plus ions outside the mitochondrial membranes of the bird's cells?

Last Answer : Need answer

Description : What toxin causes loss of gag reflex and eye movement problems?

Last Answer : Need answer

Description : Stool C. difficile toxin?

Last Answer : DefinitionThe stool C. difficile toxin test detects harmful substances produced by the bacterium Clostridium difficile(C. difficile) in a stool sample. This infection is a common cause of diarrhea after antibiotic ... .How to prepare for the testThere are many ways to collect the samples. You can ca

Description : Toxin?

Last Answer : DefinitionMillipedes are worm-like bugs called arthropods. Certain types of millipedes release a harmful substance (toxin) if they are threatened or if you handle them roughly. Millipedes can squirt ... burning or itching of skinBlistersIf the millipede toxin gets in the eyes, symptoms may include

Description : Toxin?

Last Answer : DefinitionMillipedes are worm-like bugs called arthropods. Certain types of millipedes release a harmful substance (toxin) if they are threatened or if you handle them roughly. Millipedes can squirt ... burning or itching of skinBlistersIf the millipede toxin gets in the eyes, symptoms may include

Description : Mitochondrial protein synthesis is inhibited by (A) Cycloheximide (B) Chloramphenicol (C) Diptheria toxin (D) None of these

Last Answer : Answer : B

Description : Diphtheria toxin inhibits (A) Prokaryotic EF-1 (B) Prokaryotic EF-2 (C) Eukaryotic EF-1 (D) Eukaryotic EF-2

Last Answer : Answer : D

Description : ADP ribosylation is the mode of action of (A) Cholera toxin (B) Acetyl choline (C) Muscerinic receptors (D) Cyclic AMP

Last Answer : Answer : A

Description : All of the following statements about hypoglycin are true except (A) It is a plant toxin (B) It causes hypoglycaemia (C) It inhibits oxidation of short chain fatty acids (D) It inhibits oxidation of long chain fatty acids

Last Answer : Answer : A

Description : Several children at a summer camp were hospitalized with symptoms thought to be due to ingestion of food containing botulinum toxins. The effects of botulinum toxin are likely to include (a) Bronchospasm (b) Cycloplegia (c) Diarrhea (d) Skeletal muscle spasms (e) Hyperventilation

Last Answer : Ans: B

Description : Which of the following is activated by Cholera toxin? 1) Adenylate cyclase 2) Guanlyate cyclase 3) Peroxisome proliferator receptor (PPAR) gamma 4) Sodium/potassium ATPase 5) The glucose-sodium transporter

Last Answer : Answers-1 Cholera toxin activates adenylate cyclase with generation of cAMP.

Description : What is the disease caused by toxin producing strains of Staphylococcus aureus ?

Last Answer : Toxic shock syndrome

Description : What is true about Bt toxin? (a) Bt protein exists as active toxin in the Bacillus. (b) The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication. ... Bacillus has antitoxins. (d) The inactive protoxin gets converted into active form in the insect gut.

Last Answer : (d) The inactive protoxin gets converted into active form in the insect gut.

Description : Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several ... pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Last Answer : (a) binds with epithelial cells of midgut of the insect pest ultimately killing it

Description : In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to (a) action of gut microorganisms (b) presence of conversion factors in insect gut (c) alkaline pH of the insect gut (d) acidic pH of the insect gut.

Last Answer : (c) alkaline pH of the insect gut

Description : What triggers activation of protoxin to active toxin of Bacillus thuringiensis in bollworm? (a) Acidic pH of stomach (b) Body temperature (c) Moist surface of midgut (d) Alkaline pH of gut

Last Answer : (d) Alkaline pH of gut

Description : Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.

Last Answer : (a) insect pests

Description : Match each disease with its correct type of vaccine. Column I Column II A. Tuberculosis (i) Harmless virus B. Whooping cough (ii) Inactivated toxin C. Diphtheria (iii)Killed bacteria D. Polio (iv) Harmless bacteria (a) A-(iv), B-(iii), C- ... B-(i), C-(iii), D-(iv) (d) A-(iii), B-(ii), C-(iv), D-(i)

Last Answer : a) A-(iv), B-(iii), C-(ii), D-(i)

Description : The following are true: a. heroin causes miosis by increasing the release of acetylcholine. b. botulinum toxin causes mydriasis by inhibiting the release of acetylcholine c. ... mydriasis by stimulating the alpha receptors d. amphetamine causes mydriasis by inhibiting noradrenaline reuptake

Last Answer : phenylephrine causes mydriasis by stimulating the alpha receptors

Description : With regard to the autonomic nervous system: a. the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves b. the preganglionic sympathetic fibres ... the ganglia of both sympathetic and parasympathetic nervous system d. botulin toxin blocks acetylcholine receptors

Last Answer : the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves

Description : ICRISAT researchers have developed strategies to keep groundnut free of which toxins? 1. Aflatoxin 2. Fungi toxin 3. Bacterial toxin 4. Both a and b

Last Answer : 4. Both a and b

Description : Which one of the following is not an antigen? a. A toxin b. A virus c. A bacterial cell d. All (A-C) are antigens

Last Answer : d. All (A-C) are antigens

Description : What disease is described by: "the toxin acts at the neuromuscular junction, preventing the release of neurotransmitters needed to inhibit muscle contraction." a. Botulism b. Tetanus c. The Plague d. A-C Are Correct

Last Answer : b. Tetanus

Description : Which of the following disease is not caused by microbial protein toxin? A.Botulism B.Diphtheria C.Shigella dysentery D.Tuberculosis

Last Answer : D.Tuberculosis

Description : A characteristic of protein synthesis in both the archaea and eukarya is A.transcription and translation are coupled B.translation is inhibited by diphtheria toxin C.proteins are synthesized from D-, ... L-, isomers of amino acids D.the initiator tRNA is charged with N-formyl- methionine

Last Answer : C.proteins are synthesized from

Description : A major difference between EHEC and EPEC is A.EHEC secretes a Shiga-like toxin and EPEC does not B.EHEC possesses a type III secretion system and EPEC does not C.EPEC rearranges host cell actin and EHEC does not D.EPEC passes through the placenta to infect the fetus and EHEC does not

Last Answer : A.EHEC secretes a Shiga-like toxin and EPEC does not

Description : What is the direct cause of cell death by diphtheria toxin? A- Formation of an ion channel in the cell membrane B- Inactivation of a translational elongation factor C- Induction of apoptosis D- None of the above

Last Answer : Inactivation of a translational elongation factor

Description : A characteristic of protein synthesis in both the archaea and eukarya is A- transcription and translation are coupled B- translation is inhibited by diphtheria toxin C- .proteins are synthesized from D-, rather than L-, isomers of amino acids D- the initiator tRNA is charged with N-formyl-methionine

Last Answer : .proteins are synthesized from D-, rather than L-, isomers of amino acids