Class 9 Science Worksheet – Improvement in Food Resources (MCQs + Q&A) with Answers

📘 WORKSHEET – Chapter: Improvement in Food Resources (Class 9)

NCERT based • MCQs + 1 Mark + 2–3 Marks + 4–5 Marks • ✅ Answer Key + Explanation + Did You Know

Section A: Multiple Choice Questions (MCQs) 📝

Choose the correct option

Q.1 Which of the following crops provides carbohydrates?

🍚
A. Pulses
B. Cereals
C. Oilseeds
D. Vegetables

✅ Answer

B

🧠 Explanation

Cereals like wheat and rice provide carbohydrates, which give energy.

💡 Did You Know?

🍞⚡ Carbs body ka petrol hain! Dimag bhi “fuel low” par drama karta hai 😄🧠

Q.2 Pulses are rich in:

🫘
A. Fats
B. Proteins
C. Vitamins
D. Minerals

✅ Answer

B

🧠 Explanation

Pulses such as gram and lentils are rich in proteins.

💡 Did You Know?

🫘💪 Pulses ko “poor man’s meat” kehte hain… protein full power! Gym wale bhi dal se dosti kar lete hain 😆

Q.3 Which of the following is a kharif crop?

🌧️
A. Wheat
B. Gram
C. Paddy
D. Mustard

✅ Answer

C

🧠 Explanation

Paddy is grown in the rainy (kharif) season.

💡 Did You Know?

🌧️🌾 Kharif crops monsoon ke “fans” hote hain… baarish aayi to party, nahi to tension 😅☔

Q.4 Which nutrient is supplied to plants by air?

🌿
A. Nitrogen
B. Carbon
C. Phosphorus
D. Iron

✅ Answer

B

🧠 Explanation

Plants take carbon from carbon dioxide in air.

💡 Did You Know?

🌿😮‍💨 Plants bhi “air se khana” banate hain! CO₂ in, food out… asli magic kitchen 🍃✨

Q.5 Which practice reduces the risk of total crop failure?

🛡️
A. Monocropping
B. Mixed cropping
C. Shifting cultivation
D. Terrace farming

✅ Answer

B

🧠 Explanation

Mixed cropping reduces the risk of total crop loss.

💡 Did You Know?

🧑‍🌾🛡️ Mixed cropping = farmer ka natural insurance! Ek crop mood off kare to dusra backup de deta hai 😄✅

Section B: Very Short Answer Questions (1 Mark) ✍️

One-line answers

Q.6 What is animal husbandry?

🐄

✅ Answer

Animal husbandry is the scientific management of livestock like cattle, poultry, and fish.

🧠 Explanation

It includes feeding, breeding, housing and disease control to increase production.

💡 Did You Know?

🐄🐔🐟 Ye basically “farm animals ka proper care plan” hai… jaise unka school + hospital + diet chart 😄📋

Q.7 Name one rabi crop.

❄️

✅ Answer

Wheat.

🧠 Explanation

Rabi crops are generally grown in winter season.

💡 Did You Know?

❄️🌾 Rabi crops winter me grow hote hain… thand me bhi mehnat, respect! 😎🧣

Q.8 What is pasturage in bee-keeping?

🐝

✅ Answer

Pasturage is the availability of flowers for bees to collect nectar and pollen.

🧠 Explanation

Better pasturage helps increase honey production and quality.

💡 Did You Know?

🌸🍯 Honey ka taste flowers decide karte hain… bees bhi “flavour choose” karti hain 😋🐝

Q.9 What is irrigation?

🚿

✅ Answer

Irrigation is the artificial supply of water to crops.

🧠 Explanation

It supplies water at the right time and improves crop yield.

💡 Did You Know?

🚿🌱 Plants ko time pe pani mile to growth “wowww” ho jaati hai… late ho gaya to sulk mode 😅

Q.10 Name one milch animal.

🥛

✅ Answer

Cow.

🧠 Explanation

Milch animals are reared mainly for milk production (like cow/buffalo).

💡 Did You Know?

🥛🐃 Buffalo milk usually zyada creamy hota hai… butter lovers, you know why 😄🧈

Section C: Short Answer Questions (2–3 Marks) ✨

Write in 2–3 lines

Q.11 Why are manure and fertilizers added to the soil?

🌱

✅ Answer

Manure and fertilizers are added to supply nutrients, improve soil fertility, and increase crop yield.

🧠 Explanation

Manure improves soil structure; fertilizers supply nutrients quickly for growth.

💡 Did You Know?

💩🌿 Manure soil ko “spa treatment” deta hai… soft + healthy + long-term glow 😄✨

Q.12 What is intercropping? Give one example.

🌽🫘

✅ Answer

Intercropping is growing two crops in a fixed row pattern. Example: Maize + Soyabean.

🧠 Explanation

It helps better use of resources and reduces pest/disease spread.

💡 Did You Know?

🌽🫘 Intercropping me pests confuse ho jaate hain… “kis pe attack karu?” 😂🐛

Q.13 Write any two advantages of crop rotation.

🔁

✅ Answer

• Maintains soil fertility • Reduces pests and diseases

🧠 Explanation

Rotating crops prevents nutrient depletion and breaks pest cycles.

💡 Did You Know?

🌿🟢 Leguminous crops soil me nitrogen add karte hain… basically soil ko “free recharge” 🔋😄

Q.14 What is composite fish culture?

🐟

✅ Answer

Composite fish culture involves growing different fish species together so they use different food zones.

🧠 Explanation

Each fish feeds in different pond zones, reducing competition and increasing yield.

💡 Did You Know?

🐟🏊‍♂️ Different fishes different zones me khati hain… pond ka “smart teamwork” system 😄🤝

Q.15 Why are Italian bees preferred for honey production?

🍯

✅ Answer

Italian bees produce more honey, sting less, and breed well.

🧠 Explanation

They are productive and comparatively calm, so beekeeping is easier and yield is higher.

💡 Did You Know?

🇮🇹🐝 Italian bees calm nature ki hoti hain… less sting, more honey! Sweet deal 😋🍯

Section D: Long Answer Questions (4–5 Marks) 📚

Write detailed answers

Q.16 Explain crop variety improvement and state its objectives.

🌱

✅ Answer

Crop variety improvement means developing better crop varieties by hybridisation or genetic manipulation. Objectives include higher yield, disease resistance, better quality, and wider adaptability.

🧠 Explanation

It aims to produce crops that perform better against climate, pests and diseases, while improving yield and quality.

💡 Did You Know?

🌱⚡ Hybrid vigour matlab “super upgraded version” of plants… jaise phone ka Pro model 😄📱

Q.17 Describe the importance of irrigation in crop production.

🚰

✅ Answer

Irrigation supplies water at the right stages of crop growth. It protects crops from drought and increases yield.

🧠 Explanation

It supports germination, nutrient movement, photosynthesis and helps crops grow well even with less rainfall.

💡 Did You Know?

🚰🌾 Canal irrigation ek hi flow me huge area cover karti hai… farming ka “water highway” 😄🛣️

Q.18 Explain poultry farming and its management practices.

🐔

✅ Answer

Poultry farming is rearing birds for eggs and meat. Proper housing, balanced feed, hygiene, and vaccination are essential.

🧠 Explanation

Good housing and cleanliness prevent diseases, while balanced feed and vaccination improve productivity.

💡 Did You Know?

🐔🥚 Poultry low-value feed ko high-quality protein me convert karti hai… real life “upgrade machine” 😄⚙️

Q.19 What is animal husbandry? How does it benefit farmers?

🐄

✅ Answer

Animal husbandry involves proper feeding, breeding, and disease control of animals. It increases milk, meat, and farmer income.

🧠 Explanation

It improves productivity and reduces losses due to disease, giving farmers steady income.

💡 Did You Know?

💉🐄 Healthy animals = less doctor visits = farmer ke paise bachte hain… win-win 😄✅

Q.20 Explain the causes of storage losses of grains.

📦

✅ Answer

Storage losses occur due to insects, rodents, fungi (biotic) and moisture, temperature (abiotic).

🧠 Explanation

Biotic factors damage grains directly; moisture and temperature promote spoilage and fungal growth.

💡 Did You Know?

🌾☀️ Grains ko sahi se dry kar do to insects/fungus ka entry pass cancel! 😄🚫🐜

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