Improvement in Food Resources
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Improvement in Crop Yields
SubtopicImprovement in Crop Yields under Improvement in Food Resources for Grade 9 CBSE.
Preview questions (no answers)
- 1.
The science of growing crops and raising livestock is generally known as:
A.Botany
B.Agriculture
C.Horticulture
D.Zoology
- 2.
Which of these is a desired agronomic characteristic for fodder crops?
A.Dwarfness
B.Profuse branching and tallness
C.No leaves
D.Short roots
- 3.
Excessive use of fertilizers can lead to which environmental problem?
A.Soil erosion
B.Water pollution
C.Global warming
D.Desertification
Download the worksheet for Improvement in Food Resources - Improvement in Crop Yields to practice offline. It includes additional chapter-level practice questions.
Crop Variety and Production Management
SubtopicCrop Variety and Production Management under Improvement in Food Resources for Grade 9 CBSE.
Preview questions (no answers)
- 1.
The science of improving crop varieties for better yield and disease resistance is part of:
A.Plant Breeding
B.Irrigation Management
C.Soil Erosion
D.Animal Husbandry
- 2.
Which of the following is supplied to the soil to improve its physical properties like drainage and aeration in clayey soils?
A.Chemical Fertilizers
B.Manure
C.Pesticides
D.Herbicides
- 3.
A major disadvantage of using fertilizers is that they can cause:
A.Water pollution
B.Faster decomposition of manure
C.Increase in soil organic matter
D.Improvement in soil structure
Download the worksheet for Improvement in Food Resources - Crop Variety and Production Management to practice offline. It includes additional chapter-level practice questions.
Nutrient Management (Manure and Fertilizer)
SubtopicNutrient Management (Manure and Fertilizer) under Improvement in Food Resources for Grade 9 CBSE.
Preview questions (no answers)
- 1.
Which of the following is a micronutrient essential for plants?
A.Nitrogen
B.Chlorine
C.Calcium
D.Phosphorus
- 2.
Organic matter in manure is also known as:
A.Humus
B.Salt
C.Urea
D.Pesticide
- 3.
What is a major difference between manure and fertilizers?
A.Manure is chemical, Fertilizer is organic
B.Manure is organic, Fertilizer is chemical
C.Manure provides more nutrients than fertilizer
D.Fertilizer improves soil texture better than manure
Download the worksheet for Improvement in Food Resources - Nutrient Management (Manure and Fertilizer) to practice offline. It includes additional chapter-level practice questions.
Animal Husbandry (Cattle, Poultry, Fish, Bee-keeping)
SubtopicAnimal Husbandry (Cattle, Poultry, Fish, Bee-keeping) under Improvement in Food Resources for Grade 9 CBSE.
Preview questions (no answers)
- 1.
The place where bees are kept for commercial honey production is called an:
A.Aquarium
B.Apiary
C.Aviary
D.Stable
- 2.
Which small Indian bee is known as the 'little bee'?
A.Apis dorsata
B.Apis florea
C.Apis mellifera
D.Apis cerana indica
- 3.
Bee-keeping is often done by farmers as a side business because:
A.It requires a lot of land
B.It is very expensive
C.It requires low investment and provides additional income
D.Bees help in weeding the farm
Download the worksheet for Improvement in Food Resources - Animal Husbandry (Cattle, Poultry, Fish, Bee-keeping) to practice offline. It includes additional chapter-level practice questions.