Economic Biology MCQ question and answer with solution

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Each section contains 100 MCQs on Economic Biology .

Pyrilla is pest of which crop?

A) Wheat B) Rice C) Sugarcane D) Soybean

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following is a technique of watering plants by making use of narrow tubings which deliver water directly at the base of the plant?

A) Sprinkler irrigation B) Drip irrigation C) Step farming D) Sub-irrigation

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Two common fungal diseases of wheat are

A) black rust and smut B) white rust and smut C) smut and leaf cur D) black rust and white rust

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The natural dye present in turmeric is known as

A) cinnamin B) phenol phthalein C) methyl orange D) curcumin

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The enzyme that coagulates milk into curd is

A) rennin B) pepsin C) resin D) citrate

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The disease 'Blast' is related to which of the following crops?

A) Sugarcane B) Wheat C) Rice D) Chickpea

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following is related to 'Blue Revolution'?

A) Irrigation B) Agriculture C) Fishing D) Indigo cultivation

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which one of the following is used as a food preservative?

A) Sodium benzoate B) Sodium thiosulphate C) Sodium hydroxide D) Sodiian bicarbonate

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Soft drinks such as cocoa contain significant quantities of

A) caffeine B) nicotine C) tannin D) renin

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The urea briquettes are used as a form of nitrogenous fertiliser. This is because of which of the following reason?

A) Urea/nitrogen is highly volatile in nature and is lost immediately B) Urea is highly soluble in water C) Urea can be leached easily D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Economic Biology MCQ question and answer with solution | Biology Gk MCQs