NCERT · Biology · Ch.12

Improvement in Food Resources
MCQ MASTER SERIES

Crop Variety · Manure & Fertiliser · Irrigation · Crop Protection · Animal Husbandry · Fisheries · Apiculture

⚡ Start Quiz 📊 Analytics
50
Total Questions
45 min
Suggested Time
3
Difficulty Tiers
6
Core Topics
Question Intelligence

Quiz Analytics

A data-driven breakdown of all 50 questions by difficulty, exam origin and topic distribution.

📈 Distribution Overview

50
Total Questions
Concept Check (NCERT)
36
Boards-Level Reasoning
10
Data / HOTS MCQs
4

🗂 Topic Coverage

Crop Variety Improvement
14%
Crop Production & Nutrients
26%
Irrigation & Cropping System
14%
Crop Protection & Storage
12%
Animal Husbandry & Poultry
18%
Fisheries & Apiculture
16%
36
Concept Check (NCERT)
10
Boards-Level Reasoning
4
Data / HOTS MCQs
Conceptual Framework

Key Concept Highlights

6 foundational pillars that power every question in this quiz. Understand these, and the answers follow naturally.

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Crop Variety Improvement
Varieties are improved through hybridisation and selection for traits like higher yield, disease resistance, shorter duration and tolerance to environmental stresses.
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Nutrient Management & Manures
Soil must supply 16 essential nutrients; manures recycle biological waste and improve soil structure, while fertilisers provide specific nutrients like nitrogen, phosphorus and potassium in concentrated form.
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Irrigation & Cropping Patterns
Irrigation methods such as canals, tube-wells, sprinkler and drip systems ensure timely water supply, while cropping patterns like mixed, inter and crop rotation help maintain soil fertility and reduce risk.
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Crop Protection Management
Crops are protected from weeds, pests and diseases using preventive measures, mechanical control, biological control and safe use of pesticides to avoid residues and resistance problems.
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Animal Husbandry & Dairy
Animal husbandry covers cattle, poultry, fish and other livestock; good breeds, balanced feed, clean shelter and disease control are key to higher milk, egg and meat production.
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Fisheries & Apiculture
Fish production uses capture and culture fisheries, while bee-keeping with selected species near crop fields gives honey, wax and also helps in pollination and better crop yields.
Pedagogical Value

Why MCQs Matter

Multiple-choice questions are not mere guessing games — they are the sharpest diagnostic tool available to a competitive exam aspirant.

🎯

Precision Recall

Vague understanding doesn't survive MCQs — they force exact conceptual clarity.

⚡

Exam Format Mirror

Direct simulation of CBSE Board objective sections and JEE Main Paper 1 structure.

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Exam Weight

~6–8%

of Class 9 Science Biology + Agriculture weightage under “Improvement in Food Resources” in school exams, periodic tests and finals.

Quick Reference

Important Formula Capsules

6 must-memorise equations that surface repeatedly across CBSE and JEE papers.

Essential Plant Nutrients
\[ \text{Plants need 16 essential nutrients; macronutrients include N, P, K, Ca, Mg, S.} \]
Primary Nutrients (NPK)
\[ \text{N, P, K are supplied mainly through chemical fertilisers for rapid crop growth.} \]
Mixed vs Inter Cropping
\[ \text{Mixed: two or more crops together; Inter: in distinct rows with specific row patterns.} \]
Crop Rotation Principle
\[ \text{Succeeding crops use different nutrient sets, helping maintain soil fertility.} \]
Culture vs Capture Fishery
\[ \text{Culture: fish farming under controlled conditions; Capture: harvesting from natural water bodies.} \]
Cross-breeding Goal
\[ \text{Combining desirable traits like high yield and disease resistance from two breeds.} \]
Learning Outcomes

What You Will Learn

By completing this quiz set you will have exercised all the following competencies.

01 Explain why food production must increase, and list the major areas of improvement: crop variety, crop production, crop protection and animal husbandry.
02 Differentiate between manures and fertilisers in terms of nutrient content, effect on soil structure, examples and environmental impact.
03 Identify essential plant nutrients, recognise NPK as primary nutrients and relate deficiency of nutrients to symptoms in plants.
04 Describe common irrigation sources and methods, and compare cropping patterns like mixed cropping, intercropping and crop rotation with suitable examples.
05 Describe major crop pests, weeds and diseases, and outline preventive, biological and chemical methods of crop protection with safety measures.
06 Explain the objectives and basic practices of cattle farming, poultry farming, fisheries and bee-keeping for enhancing milk, egg, meat, fish and honey production.
07 Relate sustainable agriculture practices such as using organic manures, biofertilisers, biopesticides and proper storage to long-term soil health and food security.
Exam Preparation

Strategy & Preparation Tips

5 evidence-based strategies to maximise your score in CBSE Boards and JEE.

Step 01
Lock All Key Definitions
Write crisp definitions for agriculture, animal husbandry, mixed cropping, crop rotation, vermicompost, green manure, bee-keeping, composite fish culture and fodder crops; many MCQs in your set are direct term checks.
Step 02
Map Each MCQ to Topic
Tag every question by theme—nutrients, cropping system, irrigation, protection, livestock, fisheries, apiculture—so you can instantly recall the right concept block during timed quizzes.
Step 03
Use “Eliminate by Property”
For items like Kharif/Rabi, macro/micro nutrients, marine/freshwater fish or animal-based products, eliminate options that do not match the season, habitat or biological source mentioned in the chapter.
Step 04
Bundle Allied Ideas
Study related ideas together, for example manure–vermicompost–green manure, biofertilisers like Rhizobium and Azospirillum, and pest vs weed control, so linked MCQs become easier to answer in one go.
Step 05
Revise Breed & Output Pairs
Link terms like milch animals, fodder crops, poultry, marine fish, composite fish culture and bee-keeping with their main products such as milk, meat, eggs, fish and honey to avoid confusion in close options.

Ready to Test Your Mastery?

50 questions  ·  Elapsed timer  ·  Instant scored results

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IMPROVEMENT IN FOOD RESOURCES — Learning Resources

📄 Detailed Notes
✔️ True / False
📌 Exercise
💬 Q&A Discussion
📝 Exercises
IMPROVEMENT IN FOOD RESOURCES-Exercise

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