CBSE Questions for Class 9 Biology Improvement In Food Resources Quiz 2 - MCQExams.com

Milk production in cattle depends on
A. Lactation period
B. Food type
C. Milking time
D. Breed
The correct option is
  • A, B and C
  • A, C and D
  • A, B, C and D
  • B, C and D
Which of the following is not an outcome of the irrigation projects in India?
  • Increased salinization of the soil
  • Groundwater depletion
  • Triggering floods due to loss of capacity in the reservoirs caused by sedimentation
  • All of these
Which of the following is obtained from animals?
  • Wool
  • Meat
  • Milk
  • All of the above
Hybridisation refers to crossing between genetically ______ plants.
  • Similar
  • Dissimilar
  • Identical
  • All of the above
Identify the correctly matched pair.
  • Aquaculture - Mosquito
  • Sericulture - Fish
  • Apiculture - Honey bee
  • Pisciculture - Silk moth
_________ is necessary for the maximum and judicious use of water.
  • The knowledge of soil texture
  • Modern methods of agriculture
  • Irrigation system
  • All of the above
Mixed cropping ______.
  • Reduces risk
  • Gives some insurance against failure of one of the crop
  • Both options A and B are correct
  • None of these
 Which among the following leads to an increase in ground water levels?
  • Check-dams
  • Canals
  • River Lift System
  • Tanks
The growing of ____ crops on a piece of land in a pre-planned succession is known as crop rotation.
  • Similar
  • Different
  • No change occur
  • Only cereals are sown
Animal-based farming includes _____ farming
  • Cattle, goat
  • Poultry
  • Fish
  • All of the above
The main canal is divided into branch canals having further distributaries to ____ fields.
  • Composting
  • Farming
  • Irrigate
  • All of the above
If crop rotation is done properly then
  • Two or three crops can be grown in a year with good harvests
  • Three or four crops can be grown in a year with good harvests
  • Four or five crops can be grown in a year with good harvest
  • None of these
_________ is growing of two or more crops simultaneously on the same piece of land in a definite pattern.
  • Crop rotation
  • Intercropping
  • Terrace farming
  • All of the above
Poultry keepers should maintain proper .......... of poultry house regularly.
  • Cleaning 
  • Sanitation 
  • Spraying of disinfectants at regular intervals
  • All of the above
Mixed farming involves combination of _____ with crop production.
  • Rearing of livestock
  • Fishing
  • Hunting
  • Bee keeping
__________ is the practice of growing a series of different types of crops in the same area in subsequent seasons.
  • Crop rotation
  • Soil erosion
  • Manure farming
  • All of the above
The production of eggs and broiler requires _______________.
  • Special care for nutrition
  • Shelter
  • Disease control
  • All of the above
Cattles should be sheltered under well-ventilated roofed sheds that protect them from______
  • Rain
  • Heat
  • Cold
  • All of the above
Which of the following is not a biotic resistance factor that affects plants?
  • Disease
  • Flood
  • Parasites
  • Pests
Appropriate .......... can prevent the occurrence of infectious diseases and reduce the loss of poultry during an outbreak of diseases.
  • Weight
  • Food
  • Vaccination
  • None of the above
In which of the following agricultural methods does the farmer sows beans in his fields after harvesting a crop of wheat?
  • Crop rotation
  • Multiple cropping
  • Fallow field
  • Mixed cropping
The method of growing different crops alternatively on same piece of land is called _______________.
  • Mixed cropping
  • Multiple cropping
  • Rotation cropping
  • Inter cropping
What lead to the increasing yield of production?
  • Crop rotation
  • High yielding variety of seed
  • Synthetic fertilizers
  • Both A and B
The growing two or more crops at a time in a field is called as
  • Crop rotation
  • Inter cropping
  • Mixed cropping
  • None of the above
Which of the following cropping methods maintains soil fertility?
(i) Mixed farming
(ii) Crop rotation
(iii) Mono cropping
  • Only (i)
  • (i) and (ii)
  • (ii) and (iii)
  • (i), (ii) and (iii)
What is the advantage of crop rotation?
  • Getting different kinds of crops
  • Increasing the quality of minerals
  • Increasing the fertility of soil
  • Increasing the quality of proteins
Which of these is not used for improving crop yield?
  • Crop protection management
  • Crop production management
  • Crop variety improvement
  • Crop transport management
Which of the following is true for animal husbandry?
  • Animal husbandry is the management and care of farm animals by humans, in which genetic qualities and behaviour, considered to be advantageous to humans, are further developed.
  • In addition to supplying milk, meat, eggs, wool and hides, animals, mainly bullocks, are the major source of power for farmers.
  • Both A and B
  • Animal husbandary is the art and science of cultivating the soil, growing crops.
Which of the following methods of cultivation will result in the loss of soil fertility?
I.Crop rotation
II. Inter-cropping

III. Excessive use of chemical fertilizers
  • I and II only
  • III only
  • I and III only
  • I, II and Ill
The quality of crop varies from one crop to another. Which of the following improved quality is desirable in pulses?
  • Fats
  • Vitamins
  • Proteins
  • All of the above
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