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Question (1)

QN002951

Which microorganism is commonly used in making curd from milk?

(A) Amoeba
(B) Lactobacillus
(C) Rhizobium
(D) Chlorella

Correct Answer: B

Explanation:

Lactobacillus converts milk into curd.

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Question (2)

QN002952

The process of conversion of milk into curd is called:

(A) decomposition
(B) fermentation
(C) evaporation
(D) filtration

Correct Answer: B

Explanation:

Milk changes into curd through fermentation.

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Question (3)

QN002953

Which gas released by yeast makes bread and cake soft and fluffy?

(A) Oxygen
(B) Nitrogen
(C) Carbon dioxide
(D) Hydrogen

Correct Answer: C

Explanation:

Carbon dioxide makes bread fluffy.

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Question (4)

QN002954

Yeast is mainly used in the preparation of:

(A) plastic
(B) bakery products
(C) detergents
(D) glass

Correct Answer: B

Explanation:

Yeast is used in bakery products.

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Question (5)

QN002955

Which microorganism is used in making alcoholic beverages?

(A) Yeast
(B) Amoeba
(C) Algae
(D) Rhizobium

Correct Answer: A

Explanation:

Yeast is used in alcohol production.

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Question (6)

QN002956

Antibiotics are medicines obtained from:

(A) rocks only
(B) microorganisms
(C) metals
(D) sunlight

Correct Answer: B

Explanation:

Antibiotics are produced by microorganisms.

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Question (7)

QN002957

Which scientist discovered penicillin accidentally?

(A) Louis Pasteur
(B) Alexander Fleming
(C) Robert Hooke
(D) Charles Darwin

Correct Answer: B

Explanation:

Alexander Fleming discovered penicillin.

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Question (8)

QN002958

Penicillin is obtained from a type of:

(A) bacteria
(B) algae
(C) fungus
(D) protozoa

Correct Answer: C

Explanation:

Penicillin is obtained from fungus.

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Question (9)

QN002959

Which of the following is an antibiotic?

(A) Lactose
(B) Penicillin
(C) Glucose
(D) Cellulose

Correct Answer: B

Explanation:

Penicillin is an antibiotic.

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Question (10)

QN002960

Vaccines help the body by:

(A) destroying oxygen
(B) increasing body temperature permanently
(C) developing immunity against diseases
(D) reducing digestion

Correct Answer: C

Explanation:

Vaccines develop immunity against diseases.

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Question (1)

Which microorganism is commonly used in making curd from milk?

Explanation:

Link:

Question (2)

The process of conversion of milk into curd is called:

Explanation:

Link:

Question (3)

Which gas released by yeast makes bread and cake soft and fluffy?

Explanation:

Link:

Question (4)

Yeast is mainly used in the preparation of:

Explanation:

Link:

Question (5)

Which microorganism is used in making alcoholic beverages?

Explanation:

Link:

Question (6)

Antibiotics are medicines obtained from:

Explanation:

Link:

Question (7)

Which scientist discovered penicillin accidentally?

Explanation:

Link:

Question (8)

Penicillin is obtained from a type of:

Explanation:

Link:

Question (9)

Which of the following is an antibiotic?

Explanation:

Link:

Question (10)

Vaccines help the body by:

Explanation:

Link:

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