1. Chilli belongs to which botanical family?
A. Solanaceae
B. Malvaceae
C. Cucurbitaceae
D. Fabaceae
Answer: A
Rationale: Chilli (Capsicum spp.) belongs to the family Solanaceae.
2. The botanical name of cultivated chilli is:
A. Capsicum frutescens
B. Capsicum annuum
C. Capsicum chinense
D. Capsicum baccatum
Answer: B
Rationale: Capsicum annuum is the most widely cultivated species.
3. The pungency in chilli is due to:
A. Piperine
B. Capsaicin
C. Solanine
D. Alkaloid X
Answer: B
Rationale: Capsaicin is responsible for pungency in chilli.
4. Capsaicin is mainly present in:
A. Seed coat
B. Fruit pericarp
C. Placental tissue
D. Epidermis
Answer: C
Rationale: Capsaicin accumulates mainly in the placenta.
5. Chilli is primarily grown as:
A. Kharif crop
B. Rabi crop
C. Summer crop
D. All of the above
Answer: D
Rationale: Chilli can be grown in all three seasons depending on region.
6. The center of origin of chilli is:
A. India
B. Africa
C. South America
D. China
Answer: C
Rationale: Chilli originated in tropical South America.
7. Chilli is mainly pollinated by:
A. Wind
B. Water
C. Insects
D. Self-pollination
Answer: D
Rationale: Chilli is predominantly self-pollinated, though some cross-pollination occurs.
8. The inflorescence in chilli is:
A. Raceme
B. Cymose
C. Solitary axillary
D. Spike
Answer: C
Rationale: Chilli bears solitary axillary flowers.
9. The chromosome number of chilli is:
A. 2n = 12
B. 2n = 16
C. 2n = 24
D. 2n = 48
Answer: C
Rationale: Chilli has a diploid chromosome number of 2n = 24.
10. Optimum temperature for chilli growth is:
A. 10–15°C
B. 15–20°C
C. 20–30°C
D. 35–40°C
Answer: C
Rationale: Chilli performs best at 20–30°C.
11. Chilli prefers which soil?
A. Sandy soil
B. Clay soil
C. Well-drained loamy soil
D. Waterlogged soil
Answer: C
Rationale: Well-drained loamy soils favor good root growth.
12. Chilli is sensitive to:
A. Drought
B. Frost
C. Salinity
D. Wind
Answer: B
Rationale: Frost severely damages chilli plants.
13. Recommended seed rate for transplanted chilli is:
A. 100–200 g/ha
B. 300–500 g/ha
C. 1–1.5 kg/ha
D. 3–4 kg/ha
Answer: C
Rationale: About 1–1.5 kg seed is required per hectare.
14. Chilli seedlings are usually transplanted at:
A. 10–15 days
B. 20–25 days
C. 30–35 days
D. 45–50 days
Answer: C
Rationale: Healthy seedlings of 30–35 days are ideal.
15. Recommended spacing for chilli is:
A. 30 × 15 cm
B. 45 × 30 cm
C. 60 × 45 cm
D. 90 × 60 cm
Answer: B
Rationale: Proper spacing ensures aeration and branching.
16. Chilli is classified as:
A. Short-day plant
B. Long-day plant
C. Day-neutral plant
D. Shade plant
Answer: C
Rationale: Chilli is largely day-neutral.
17. The edible part of chilli is:
A. Root
B. Leaf
C. Fruit
D. Seed
Answer: C
Rationale: The fruit is consumed in green or dry form.
18. Major chilli-producing state in India is:
A. Karnataka
B. Andhra Pradesh
C. Rajasthan
D. Punjab
Answer: B
Rationale: Andhra Pradesh is the largest producer of chilli.
19. Red colour in chilli is due to:
A. Lycopene
B. Anthocyanin
C. Capsanthin
D. Chlorophyll
Answer: C
Rationale: Capsanthin is the major red pigment.
20. Chilli flowers are:
A. Unisexual
B. Bisexual
C. Male only
D. Female only
Answer: B
Rationale: Chilli flowers are hermaphrodite.
21. Major nutrient required for chilli is:
A. Nitrogen
B. Phosphorus
C. Potassium
D. All of the above
Answer: D
Rationale: Balanced NPK nutrition is essential.
22. Deficiency of which nutrient causes flower drop in chilli?
A. Nitrogen
B. Boron
C. Iron
D. Zinc
Answer: B
Rationale: Boron deficiency leads to poor flower retention.
23. Chilli responds well to:
A. Organic manures
B. Chemical fertilizers
C. Integrated nutrient management
D. No fertilizers
Answer: C
Rationale: INM improves yield and soil health.
24. Most common pest of chilli is:
A. Fruit borer
B. Thrips
C. White grub
D. Termite
Answer: B
Rationale: Thrips cause leaf curling and flower drop.
25. Chilli leaf curl disease is transmitted by:
A. Aphid
B. Thrips
C. Whitefly
D. Leafhopper
Answer: C
Rationale: Whitefly is the vector of leaf curl virus.
26. Anthracnose disease in chilli is caused by:
A. Fusarium spp.
B. Colletotrichum capsici
C. Alternaria solani
D. Phytophthora infestans
Answer: B
Rationale: Colletotrichum capsici causes fruit rot and dieback.
27. Powdery mildew in chilli appears as:
A. Yellow spots
B. White powdery growth
C. Black lesions
D. Wilting
Answer: B
Rationale: Fungal spores form powdery patches on leaves.
28. Chilli is harvested:
A. Once only
B. At flowering
C. In multiple pickings
D. Before fruit set
Answer: C
Rationale: Fruits mature at different times.
29. Green chilli is harvested at:
A. Full maturity
B. Red ripe stage
C. Immature green stage
D. Dry stage
Answer: C
Rationale: Green chillies are harvested before full maturity.
30. Dry chilli is obtained by:
A. Sun drying ripe fruits
B. Boiling fruits
C. Fermentation
D. Freezing
Answer: A
Rationale: Red ripe fruits are sun dried.
31. Average yield of green chilli is:
A. 2–3 t/ha
B. 5–7 t/ha
C. 10–15 t/ha
D. 25–30 t/ha
Answer: C
Rationale: Under good management, 10–15 t/ha is common.
32. Seed viability of chilli under good storage is:
A. 1 year
B. 2 years
C. 4–5 years
D. 10 years
Answer: C
Rationale: Chilli seeds remain viable for 4–5 years.
33. Chilli seed is classified as:
A. Recalcitrant
B. Orthodox
C. Viviparous
D. Intermediate
Answer: B
Rationale: Seeds tolerate drying and storage.
34. Chilli root system is:
A. Fibrous
B. Tap root
C. Adventitious
D. Rhizomatous
Answer: B
Rationale: Chilli has a tap root system.
35. Chilli leaf arrangement is:
A. Alternate
B. Opposite
C. Whorled
D. Spiral
Answer: A
Rationale: Leaves are alternately arranged.
36. Physiological disorder blossom end rot in chilli is due to:
A. Nitrogen deficiency
B. Calcium deficiency
C. Potassium deficiency
D. Iron deficiency
Answer: B
Rationale: Calcium deficiency causes blossom end rot.
37. Chilli is moderately tolerant to:
A. Frost
B. Salinity
C. Drought
D. Flooding
Answer: C
Rationale: Chilli can tolerate mild drought but not frost.
38. Pungency level in chilli is measured by:
A. pH scale
B. Scoville Heat Units
C. Brix value
D. EC value
Answer: B
Rationale: SHU measures capsaicin concentration.
39. Chilli oil extracted from seeds is mainly used in:
A. Cooking
B. Pharmaceuticals and cosmetics
C. Biofuel
D. Fertilizers
Answer: B
Rationale: Chilli oil has medicinal and cosmetic uses.
40. Which hormone spray reduces flower drop in chilli?
A. GA₃
B. NAA
C. IAA
D. Ethylene
Answer: B
Rationale: NAA improves fruit set.
41. Best method of propagation in chilli is:
A. Vegetative
B. Seed
C. Tissue culture
D. Layering
Answer: B
Rationale: Chilli is propagated by seeds.
42. Chilli requires isolation distance mainly because of:
A. Wind pollination
B. Insect-mediated cross pollination
C. Water pollination
D. Apomixis
Answer: B
Rationale: Insects cause some natural cross-pollination.
43. Chilli crop duration is:
A. 60–70 days
B. 90–120 days
C. 150–180 days
D. 250–300 days
Answer: B
Rationale: Crop duration varies between 3–4 months.
44. The most suitable pH range for chilli is:
A. 4.0–4.5
B. 5.5–6.5
C. 7.5–8.5
D. Above 9
Answer: B
Rationale: Slightly acidic soils favor nutrient uptake.
45. Chilli is unsuitable for:
A. Red soils
B. Black soils
C. Waterlogged soils
D. Sandy loam soils
Answer: C
Rationale: Waterlogging causes root rot and diseases.
46. Major weed problem in chilli nursery is:
A. Cyperus
B. Parthenium
C. Chenopodium
D. All of the above
Answer: D
Rationale: All commonly infest nurseries.
47. Chilli fruits are botanically classified as:
A. Drupe
B. Berry
C. Capsule
D. Legume
Answer: B
Rationale: Chilli fruit is a berry.
48. The pungency of chilli generally increases with:
A. Higher nitrogen
B. Higher potassium
C. Higher temperature
D. Lower light
Answer: C
Rationale: Higher temperatures increase capsaicin synthesis.
49. Chilli is mainly an:
A. Oilseed crop
B. Beverage crop
C. Spice crop
D. Fodder crop
Answer: C
Rationale: Chilli is classified as a spice crop.
50. Chilli cultivation is economically important because:
A. It is consumed fresh only
B. It has medicinal value only
C. It has domestic and export demand
D. It is grown only in India
Answer: C
Rationale: Chilli has high domestic consumption and export value.
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