1. Banana is botanically classified as a:
A. Tree
B. Shrub
C. Herb
D. Climber
Answer: C
Rationale: Banana is a giant perennial herb with a pseudostem.
2. The edible portion of banana fruit develops mainly from:
A. Ovary wall
B. Placenta
C. Pericarp
D. Endosperm
Answer: C
Rationale: Banana pulp is derived from the pericarp.
3. The chromosome number of most cultivated bananas is:
A. 2n = 22
B. 2n = 24
C. 2n = 33
D. 2n = 44
Answer: C
Rationale: Most edible bananas are triploids with 2n = 33.
4. The center of origin of banana is:
A. Africa
B. South America
C. Southeast Asia
D. Central America
Answer: C
Rationale: Banana originated in Southeast Asia, particularly Malaysia–Indonesia region.
5. The inflorescence of banana is known as:
A. Spadix
B. Panicle
C. Catkin
D. Cyme
Answer: A
Rationale: Banana has a spadix inflorescence with large bracts.
6. The economic product of banana plant is:
A. True stem
B. Pseudostem
C. Rhizome
D. Fruit bunch
Answer: D
Rationale: Banana is cultivated mainly for its fruit bunch.
7. Banana plants are propagated commercially by:
A. Seeds
B. Cuttings
C. Suckers
D. Layering
Answer: C
Rationale: Vegetative propagation through suckers is common.
8. The best planting material for disease-free banana cultivation is:
A. Sword suckers
B. Water suckers
C. Peepers
D. Tissue culture plants
Answer: D
Rationale: Tissue culture plants are uniform and disease-free.
9. Which banana group is commonly grown in India?
A. AAA
B. ABB
C. AAB
D. All of the above
Answer: D
Rationale: India grows AAA (Cavendish), AAB (Plantains), and ABB types.
10. Dwarf Cavendish belongs to which genomic group?
A. AAB
B. ABB
C. AAA
D. AB
Answer: C
Rationale: Cavendish bananas are triploid AAA types.
11. The edible bananas are generally:
A. Diploid and seeded
B. Triploid and seedless
C. Tetraploid and seeded
D. Haploid and seedless
Answer: B
Rationale: Triploidy results in parthenocarpy and seedlessness.
12. The phenomenon responsible for seedless banana fruits is:
A. Apomixis
B. Parthenocarpy
C. Polyembryony
D. Xenogamy
Answer: B
Rationale: Fruits develop without fertilization.
13. The ideal soil pH for banana cultivation is:
A. 4.0–5.0
B. 5.5–7.5
C. 7.5–8.5
D. Above 8.5
Answer: B
Rationale: Banana grows best in slightly acidic to neutral soils.
14. Banana requires which climatic condition?
A. Cool and dry
B. Hot and dry
C. Warm and humid
D. Cold and humid
Answer: C
Rationale: Banana thrives in warm, humid tropical climate.
15. The economic life of a banana plant is:
A. 1 year
B. 2–3 years
C. 5 years
D. 10 years
Answer: B
Rationale: A clump remains productive for 2–3 crop cycles.
16. The edible banana fruit is botanically a:
A. Berry
B. Drupe
C. Capsule
D. Pome
Answer: A
Rationale: Banana is a true berry.
17. Which nutrient is required in highest quantity by banana?
A. Nitrogen
B. Phosphorus
C. Potassium
D. Calcium
Answer: C
Rationale: Banana is a heavy feeder of potassium.
18. Deficiency of potassium in banana causes:
A. Narrow leaves
B. Marginal leaf scorching
C. Leaf chlorosis
D. Pseudostem cracking
Answer: B
Rationale: Potassium deficiency leads to marginal necrosis.
19. The practice of removing male bud after last hand formation is called:
A. Desuckering
B. Propping
C. Denavelling
D. Pruning
Answer: C
Rationale: Denavelling improves fruit size and quality.
20. The most suitable spacing for tissue-cultured banana is:
A. 1 × 1 m
B. 1.8 × 1.8 m
C. 3 × 3 m
D. 5 × 5 m
Answer: B
Rationale: Moderate spacing ensures optimum yield.
21. Which practice prevents lodging in banana?
A. Desuckering
B. Propping
C. Mulching
D. Earthing up
Answer: B
Rationale: Propping supports plants against wind damage.
22. Panama disease of banana is caused by:
A. Bacteria
B. Virus
C. Fungus
D. Nematode
Answer: C
Rationale: Caused by Fusarium oxysporum f.sp. cubense.
23. Sigatoka leaf spot disease is caused by:
A. Virus
B. Bacteria
C. Fungus
D. Algae
Answer: C
Rationale: Caused by Mycosphaerella species.
24. Bunchy top disease is transmitted by:
A. Thrips
B. Whitefly
C. Aphid
D. Mealybug
Answer: C
Rationale: Transmitted by banana aphid (Pentalonia nigronervosa).
25. The most damaging nematode in banana is:
A. Root knot nematode
B. Burrowing nematode
C. Cyst nematode
D. Reniform nematode
Answer: B
Rationale: Radopholus similis causes toppling disease.
26. Which banana variety is widely grown in South India?
A. Robusta
B. Rasthali
C. Poovan
D. All of the above
Answer: D
Rationale: All are important commercial varieties.
27. The banana pseudostem is formed by:
A. True stem
B. Leaf sheaths
C. Petioles
D. Bracts
Answer: B
Rationale: Overlapping leaf sheaths form pseudostem.
28. The harvesting index of banana is based on:
A. Fruit color
B. Pulp sweetness
C. Angularity of fingers
D. Leaf drying
Answer: C
Rationale: Rounded fingers indicate maturity.
29. The average crop duration of banana is:
A. 6–8 months
B. 9–11 months
C. 12–15 months
D. 18–24 months
Answer: C
Rationale: Most varieties mature in about 12–15 months.
30. Ethylene application in banana is used for:
A. Flower induction
B. Fruit ripening
C. Disease control
D. Shelf-life extension
Answer: B
Rationale: Ethylene accelerates uniform ripening.
31. Which chemical is commonly used for artificial ripening?
A. Calcium carbide
B. Ethephon
C. Potassium nitrate
D. NAA
Answer: B
Rationale: Ethephon is safer and releases ethylene.
32. The edible bananas generally have:
A. Hard seeds
B. Soft seeds
C. No seeds
D. One seed
Answer: C
Rationale: Cultivated bananas are seedless.
33. The largest banana-producing country in the world is:
A. Brazil
B. India
C. China
D. Ecuador
Answer: B
Rationale: India leads global banana production.
34. The first ratoon crop refers to:
A. Main crop
B. Second crop from sucker
C. Third crop from clump
D. Tissue culture crop
Answer: B
Rationale: Ratoon crop develops from suckers after harvest.
35. Which operation maintains optimum plant population?
A. Propping
B. Denavelling
C. Desuckering
D. Pruning
Answer: C
Rationale: Desuckering removes excess suckers.
36. Banana bunch consists of several:
A. Fingers
B. Hands
C. Bracts
D. Crowns
Answer: B
Rationale: Each bunch is made of several hands.
37. The finger of banana refers to:
A. Whole bunch
B. Individual fruit
C. Cluster of fruits
D. Male bud
Answer: B
Rationale: Each individual fruit is a finger.
38. Which variety is resistant to Panama disease?
A. Gros Michel
B. Rasthali
C. Cavendish
D. Red banana
Answer: C
Rationale: Cavendish varieties show resistance.
39. Banana requires high irrigation because:
A. Shallow roots
B. High transpiration
C. Large leaf area
D. All of the above
Answer: D
Rationale: All factors increase water requirement.
40. The critical stage of water requirement in banana is:
A. Early vegetative stage
B. Flower initiation to fruit development
C. Harvest stage
D. Dormant stage
Answer: B
Rationale: Moisture stress affects yield and fruit size.
41. Which micronutrient deficiency causes choking of bunch?
A. Zinc
B. Boron
C. Iron
D. Manganese
Answer: B
Rationale: Boron deficiency affects flower and bunch emergence.
42. Banana leaves are arranged in:
A. Opposite
B. Whorled
C. Spiral
D. Distichous
Answer: C
Rationale: Leaves show spiral phyllotaxy.
43. The edible portion of banana is rich in:
A. Protein
B. Fat
C. Carbohydrates
D. Fiber only
Answer: C
Rationale: Banana is a rich source of carbohydrates.
44. Which banana variety is commonly used as cooking banana?
A. Nendran
B. Robusta
C. Grand Naine
D. Dwarf Cavendish
Answer: A
Rationale: Nendran is a popular cooking variety.
45. Banana peel is rich in:
A. Nitrogen
B. Potassium
C. Calcium
D. Magnesium
Answer: B
Rationale: Banana peel contains high potassium.
46. The practice of covering banana bunch with polythene is called:
A. Mulching
B. Bagging
C. Propping
D. Wrapping
Answer: B
Rationale: Bagging improves fruit quality and appearance.
47. Which hormone delays ripening in banana?
A. Ethylene
B. Auxin
C. Gibberellin
D. Abscisic acid
Answer: C
Rationale: Gibberellins delay senescence.
48. Banana is a:
A. Long-day plant
B. Short-day plant
C. Day-neutral plant
D. Photoperiod-sensitive plant
Answer: C
Rationale: Flowering is not controlled by photoperiod.
49. Which system of irrigation is best suited for banana?
A. Flood irrigation
B. Furrow irrigation
C. Sprinkler irrigation
D. Drip irrigation
Answer: D
Rationale: Drip irrigation improves water and nutrient use efficiency.
50. The average yield of banana under good management is about:
A. 10–15 t/ha
B. 20–25 t/ha
C. 30–40 t/ha
D. 60–70 t/ha
Answer: C
Rationale: Well-managed plantations yield 30–40 t/ha or more.
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