Practice high-yield Biology & Life Sciences MCQs on Economic Biology — Part 2 with worked academic solutions for MDCAT, PPSC, FPSC, NTS.
Questions
40
Difficulty Level
Exam-Level
Target Exams
MDCAT, PPSC, FPSC...
Estimated Time
48 mins
Exam-Level MDCAT PPSC FPSC NTS
Verified for Commission Syllabus • Oct 14, 2026
40
Verified Practice Questions
Interactive test mode with detailed academic worked solutions
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🎉 Set complete! All 40 questions answered.
Question 1 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The leaves used as wrappers for bidis are obtained from which one of the following?
Correct Answer: Option C — Tendu
Detailed Academic Explanation:
Tendu is the correct answer to “The leaves used as wrappers for bidis are obtained from which one of the following”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 2 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The medicinal plant tised in preparations for skin care is
Correct Answer: Option C — Aloe vera
Detailed Academic Explanation:
Aloe vera is the correct answer to “The medicinal plant tised in preparations for skin care is”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 3 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The colour of cow's milk is slightly yellow due to the presence of
Correct Answer: Option D — carotene
Detailed Academic Explanation:
carotene is the correct answer to “The colour of cow's milk is slightly yellow due to the presence of”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 4 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Lac, which is used as sealing wax is produced by
Correct Answer: Option C — insect
Detailed Academic Explanation:
insect is the correct answer to “Lac, which is used as sealing wax is produced by”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 5 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Anglo Nubian is a breed of
Correct Answer: Option B — goat
Detailed Academic Explanation:
goat is the correct answer to “Anglo Nubian is a breed of”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 6 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Saffron is obtained from which part of plants?
Correct Answer: Option D — Stigma and style
Detailed Academic Explanation:
Stigma and style is the correct answer to “Saffron is obtained from which part of plants”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 7 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Golden fibre refers to
Correct Answer: Option C — jute
Detailed Academic Explanation:
jute is the correct answer to “Golden fibre refers to”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 8 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Green manure is obtained from
Correct Answer: Option D — decomposing green legume plants
Detailed Academic Explanation:
decomposing green legume plants is the correct answer to “Green manure is obtained from”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 9 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Silk is produced by
Correct Answer: Option C — larva of silkworm
Detailed Academic Explanation:
larva of silkworm is the correct answer to “Silk is produced by”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 10 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The butter oil and milk powder was given as a gift from which of the following nation to India?
Correct Answer: Option C — European Union
Detailed Academic Explanation:
European Union is the correct answer to “The butter oil and milk powder was given as a gift from which of the following nation to India”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 11 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which among the following statements about biofertilisers are correct? 1. Azotobacter is one of the nitrogen fixing bacteria used as biofertilisers. 2. They have to be applied to the leaves of the plants only. 3. They alter the chemical composition of the soil. 4. They can be used along with organic fertilisers.
Correct Answer: Option A — 1 and 4
Detailed Academic Explanation:
1 and 4 is the correct answer to “Which among the following statements about biofertilisers are correct? 1. Azotobacter is one of the nitrogen fixing bacteria used as biofertilisers. 2. They have to be applied to the leaves of the plants only. 3. They alter the chemical composition of the soil. 4. They can be used along with organic fertilisers.”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 12 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The H 5 N 1 virus which causes bird flu was first discovered in
Correct Answer: Option D — 2001
Detailed Academic Explanation:
2001 is the correct answer to “The H 5 N 1 virus which causes bird flu was first discovered in”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 13 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The Bordeaux paste (mixture) was one of the unbelievable and magnifine discovery which changed the world at diseases. Where was it discovered?
Correct Answer: Option A — France
Detailed Academic Explanation:
France is the correct answer to “The Bordeaux paste (mixture) was one of the unbelievable and magnifine discovery which changed the world at diseases. Where was it discovered”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 14 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Eutrophication of a water body enhances
Correct Answer: Option C — Both A and B
Detailed Academic Explanation:
Both A and B is the correct answer to “Eutrophication of a water body enhances”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 15 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
According to WHO, the bird flu virus cannot be transmitted through food cooked beyond
Correct Answer: Option B — 70° celsius
Detailed Academic Explanation:
70° celsius is the correct answer to “According to WHO, the bird flu virus cannot be transmitted through food cooked beyond”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 16 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which plant is called 'Herbal Indian Doctor'?
Correct Answer: Option A — Amla
Detailed Academic Explanation:
Amla is the correct answer to “Which plant is called 'Herbal Indian Doctor'”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 17 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Where is National Agroforestry Institute centre located?
Correct Answer: Option B — Jhansi
Detailed Academic Explanation:
Jhansi is the correct answer to “Where is National Agroforestry Institute centre located”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 18 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Some of the potatoes, we can see has a green spots on it. What is the symptom called as?
Correct Answer: Option B — Greening in potato
Detailed Academic Explanation:
Greening in potato is the correct answer to “Some of the potatoes, we can see has a green spots on it. What is the symptom called as”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 19 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which of the following food crops has the maximum content of proteins?
Correct Answer: Option B — Soybean
Detailed Academic Explanation:
Soybean is the correct answer to “Which of the following food crops has the maximum content of proteins”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 20 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The plant dye henna imparts orange-red colour to skin and hairs due to its reaction with which of the following?
Correct Answer: Option A — Proteins and amino acid
Detailed Academic Explanation:
Proteins and amino acid is the correct answer to “The plant dye henna imparts orange-red colour to skin and hairs due to its reaction with which of the following”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 21 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The part of India, where dry land farming is practised, rain occurs
Correct Answer: Option D — less than 45 cm
Detailed Academic Explanation:
less than 45 cm is the correct answer to “The part of India, where dry land farming is practised, rain occurs”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 22 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The poison of honeybee is
Correct Answer: Option A — acidic
Detailed Academic Explanation:
acidic is the correct answer to “The poison of honeybee is”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 23 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which one of the following vegetable oils is used in the manufacture of paints?
Correct Answer: Option D — Linseed oil
Detailed Academic Explanation:
Linseed oil is the correct answer to “Which one of the following vegetable oils is used in the manufacture of paints”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 24 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The specific type of sickle, which is used for basement harvesting of a crop, is a
Correct Answer: Option A — vaibhav sickle
Detailed Academic Explanation:
vaibhav sickle is the correct answer to “The specific type of sickle, which is used for basement harvesting of a crop, is a”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 25 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
White Bud disease in plant is caused by deficiency of
Correct Answer: Option A — Zinc
Detailed Academic Explanation:
Zinc is the correct answer to “White Bud disease in plant is caused by deficiency of”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 26 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which of the following bacterium causes crown gall disease in plants?
Correct Answer: Option B — Agrobacterium tumefaciens
Detailed Academic Explanation:
Agrobacterium tumefaciens is the correct answer to “Which of the following bacterium causes crown gall disease in plants”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 27 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which one of the following is commonly used as a flavouring agent during the preparation of noodles?
Correct Answer: Option D — Ajinomoto
Detailed Academic Explanation:
Ajinomoto is the correct answer to “Which one of the following is commonly used as a flavouring agent during the preparation of noodles”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 28 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Match List-I (Sources) with List-II (Oil) and select the correct answer: List-I List-II a. Cotyledons of Arachis hypogea 1. Groundnut Oil b. Seeds of Sesamum indicum 2. Sesame Oil c. Seeds of Ricinus Communis 3. Castor Oil d. Seeds of Brassica compestris 4. Mustard Oil
Correct Answer: Option B — a-1, b-2, c-3, d-4
Detailed Academic Explanation:
a-1, b-2, c-3, d-4 is the correct answer to “Match List-I (Sources) with List-II (Oil) and select the correct answer: List-I List-II a. Cotyledons of Arachis hypogea 1. Groundnut Oil b. Seeds of Sesamum indicum 2. Sesame Oil c. Seeds of Ricinus Communis 3. Castor Oil d. Seeds of Brassica compestris 4. Mustard Oil”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 29 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which of the following plant is used for 'bio-diesel'?
Correct Answer: Option D — Jatropha curcas
Detailed Academic Explanation:
Jatropha curcas is the correct answer to “Which of the following plant is used for 'bio-diesel'”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 30 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Match List-I (Disease) with List-II (Causal Organism) and select the correct answer: List-I List-II a. Bacterial blight 1. Pseudomonas b. Leaf spot 2. Fusarium c. Damping off 3. Pythium d. Wilt 4. Cercospora
Correct Answer: Option C — a-1, b-4, c-3, d-2
Detailed Academic Explanation:
a-1, b-4, c-3, d-2 is the correct answer to “Match List-I (Disease) with List-II (Causal Organism) and select the correct answer: List-I List-II a. Bacterial blight 1. Pseudomonas b. Leaf spot 2. Fusarium c. Damping off 3. Pythium d. Wilt 4. Cercospora”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 31 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which animal may suffer from foot and mouth disease?
Correct Answer: Option D — Cattle, sheep and pigs
Detailed Academic Explanation:
Cattle, sheep and pigs is the correct answer to “Which animal may suffer from foot and mouth disease”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 32 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Match List-I with List-II and select the correct answer: List-I (Plant) List-II (Use) a. Brahmi 1. Anti-diabetic b. Sadabahar 2. Carnatic c. Pudina 3. Expectorant d. Tulsi 4. Brain Tonic
Correct Answer: Option B — a-4, b-1, c-2, d-3
Detailed Academic Explanation:
a-4, b-1, c-2, d-3 is the correct answer to “Match List-I with List-II and select the correct answer: List-I (Plant) List-II (Use) a. Brahmi 1. Anti-diabetic b. Sadabahar 2. Carnatic c. Pudina 3. Expectorant d. Tulsi 4. Brain Tonic”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 33 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which of the following is known as 'Regur soil'?
Correct Answer: Option A — Black soil
Detailed Academic Explanation:
Black soil is the correct answer to “Which of the following is known as 'Regur soil'”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 34 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which of the following crop enrich the soil with nitrogen?
Correct Answer: Option D — Pea/legumes
Detailed Academic Explanation:
Pea/legumes is the correct answer to “Which of the following crop enrich the soil with nitrogen”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 35 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Opium is a plant product obtained from
Correct Answer: Option B — dried latex
Detailed Academic Explanation:
dried latex is the correct answer to “Opium is a plant product obtained from”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 36 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
The edible part of an onion is
Correct Answer: Option D — fleshy leaves
Detailed Academic Explanation:
fleshy leaves is the correct answer to “The edible part of an onion is”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 37 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Which one of the following is not a nitrogen fixing bacteria?
Correct Answer: Option B — Clostridium
Detailed Academic Explanation:
Clostridium is the correct answer to “Which one of the following is not a nitrogen fixing bacteria”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 38 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Function of leghaemoglobin in nitrogen fixation is
Correct Answer: Option A — absorption of oxygen
Detailed Academic Explanation:
absorption of oxygen is the correct answer to “Function of leghaemoglobin in nitrogen fixation is”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 39 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Sucrose content in sugarcane decreases
Correct Answer: Option B — if frost occurs during the period of ripening
Detailed Academic Explanation:
if frost occurs during the period of ripening is the correct answer to “Sucrose content in sugarcane decreases”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
Question 40 of 40
★ MDCAT
★ PPSC
★ MDCAT
★ PPSC
Match List-I with List-II and select the correct answer: List-I (Plant) List-II (Use) a. Barley 1. Wine b. Sugarcane juice 2. Beer c. Grapes 3. Whisky d. Molasses 4. Rum
Correct Answer: Option A — a-3, b-4, c-1, d-2
Detailed Academic Explanation:
a-3, b-4, c-1, d-2 is the correct answer to “Match List-I with List-II and select the correct answer: List-I (Plant) List-II (Use) a. Barley 1. Wine b. Sugarcane juice 2. Beer c. Grapes 3. Whisky d. Molasses 4. Rum”. This question is standard in competitive examination syllabi for Economic Biology.
💡Key Conceptual Anchor:Economic Biology
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Animal Kindom — Part 1
Master the next curriculum module with 40 exam-standard MCQs.
In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.