Ncert – class 9- science – Chapter 12 – Improvement in Food Resources 2 Welcome to your Ncert – class 9- science – Chapter 12 – Improvement in Food Resources 2 1. Appropriate .......... can prevent the occurrence of infectious diseases and reduce the loss of poultry during an outbreak of diseases. Food Vaccination None of the above Weight None 2. Which one of the following nutrients is not available in fertilisers? Nitrogen Potassium Iron Phosphorus None 3. The method of growing different crops alternatively on same piece of land is called _______________. Multiple cropping Mixed cropping Inter cropping Rotation cropping None 4. The branch of agricultural science dealing with production of field crops and management of the soil is called Astronomy Genetic engineering Agronomy Anatomy None 5. Find out the correct sentence about manure (i) Manure contains large quantities of organic matter and small quantities of nutrients. (ii) It increases the water holding capacity of sandy soil. (iii) It helps in draining out of excess of water from clayey soil. (iv) It excessive use pollutes environment because it is made of animal excretory waste. (ii) and (iii) (i) and (ii) (i) and (iii) (iii) and (iv) None 6. Weeds affect the crop plants by competing for various resources of crops (plants) causing low availability of nutrients. killing of plants in field before they grow. all of these. dominating the plants to grow. None 7. Which of the following are Indian cattle? (i) Bos indicus (ii) Bos domestica (iii) Bos bubalis (iv) Bos vulgaris (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iii) None 8. To solve the food problem of the country which among the following is necessary? People should have money to purchase the grains All of the above Easy access of people to the food grain Increased production and storage of food grains None 9. Find out the wrong statement from the following White revolution is meant for increase in milk production. Increasing food production without compromising with environmental quality is called as sustainable agriculture. None of the above Blue revolution is meant for increase in fish production None 10. If crop rotation is done properly then None of these Three or four crops can be grown in a year with good harvests Two or three crops can be grown in a year with good harvests Four or five crops can be grown in a year with good harvest None 11. What is manure? It is a semi synthetic material. It is a synthetic material prepared in laboratory. It is a natural material obtained by decaying plant and animal waste. It can be both natural and synthetic. None 12. Horti-pastoral farming refers to: Growing mixed crops. Growing fruit trees and fodder simultaneously. Growing food and fodder. Growing fodder and rearing cattle. None 13. Hybridisation refers to crossing between genetically ______ plants. Similar All of the above Identical Dissimilar None 14. The main canal is divided into branch canals having further distributaries to ____ fields. Farming Irrigate All of the above Composting None 15. Cattle husbandry is done for the following purposes (i) Milk production (ii) Agricultural work (iii) Meat production (iv) Egg production (i) and (iv) (iii) and (iv) (ii), (iii) and (iv) (i), (ii) and (iii) None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
