MCQ 11 Mark
For two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Azolla is used as a biofertiliser in rice fields.
Reason: Azolla shows the presence of $N_2-$ fixing bacteria in its leaf cavities.
- ✓
Both assertion and reason are true and reason is the correct explanation of assertion.
- B
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: A. Both assertion and reason are true and reason is the correct explanation of assertion.
View full question & answer→MCQ 21 Mark
For two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Immobilised yeasts cause less fermentation.
Reason: Brewer's yeast produces beer not wine.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- B
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- ✓
Both assertion and reason are false.
AnswerCorrect option: D. Both assertion and reason are false.
View full question & answer→MCQ 31 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Azotobacter fixes nitrogen in symbiotic form.
Reason: Azotobacter form root nodules in the roots of leguminous plants.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- B
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- ✓
Both assertion and reason are false.
AnswerCorrect option: D. Both assertion and reason are false.
View full question & answer→MCQ 41 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: In ripening of cheese, insoluble proteins are cleaved to form soluble peptides.
Reason: Hard cheese and soft cheese, both are ripened by lactic acid bacteria.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- B
Both assertion and reason are true but reason is not the correct explanation of assertion.
- ✓
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: C. Assertion is true but reason is false.
View full question & answer→MCQ 51 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: The alcoholic content of fortified wines are high.
Reason: The fermentation is stopped before all the sugars are being converted.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- ✓
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: B. Both assertion and reason are true but reason is not the correct explanation of assertion.
View full question & answer→MCQ 61 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Aspergillus niger produces lactic acid.
Reason: Rhizopus produces citric acid.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- B
Both assertion and reason are true but reason is not the correct explanation of assertion.
- ✓
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: C. Assertion is true but reason is false.
View full question & answer→MCQ 71 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Whisky develops colour during the aging process.
Reason: Vodka is colourless.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- ✓
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: B. Both assertion and reason are true but reason is not the correct explanation of assertion.
View full question & answer→MCQ 81 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Champagne gives off bubbles.
Reason: Alcoholic content is $12-16\%$ in champagne.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- ✓
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: B. Both assertion and reason are true but reason is not the correct explanation of assertion.
View full question & answer→MCQ 91 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Curdling is required in the manufacture of cheese.
Reason: Lactic acid bacteria and rennet is used for the purpose.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- ✓
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: B. Both assertion and reason are true but reason is not the correct explanation of assertion.
View full question & answer→MCQ 101 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: An organism which acts as herbicide is called bioherbicide.
Reason: Phytophthora palmivora is a mycoherbicide.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- ✓
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: B. Both assertion and reason are true but reason is not the correct explanation of assertion.
View full question & answer→MCQ 111 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Acetic acid is prepared by acetic acid bacteria.
Reason: Alcoholic fermentation and the conversion of alcohol to acetic acid are aerobic processes.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- B
Both assertion and reason are true but reason is not the correct explanation of assertion.
- ✓
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: C. Assertion is true but reason is false.
View full question & answer→MCQ 121 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Vitamins $B_2$ is found in cereals, green vegetables, brewer's yeast, egg white, milk and liver.
Reason: Vitamins $B_2$ can be commercially produced by some yeasts.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- ✓
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: B. Both assertion and reason are true but reason is not the correct explanation of assertion.
View full question & answer→MCQ 131 Mark
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Rhizobium forms nodules on the roots of legume plants.
Reason: Rhizobium fixes atmospheric nitrogen into organic forms which is used by the plant as nutrients.
- A
Both assertion and reason are true and reason is the correct explanation of assertion.
- ✓
Both assertion and reason are true but reason is not the correct explanation of assertion.
- C
Assertion is true but reason is false.
- D
Both assertion and reason are false.
AnswerCorrect option: B. Both assertion and reason are true but reason is not the correct explanation of assertion.
View full question & answer→