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 Weight None of the above Vaccination None 2. The main canal is divided into branch canals having further distributaries to ____ fields. Farming All of the above Irrigate Composting None 3. The method of growing different crops alternatively on same piece of land is called _______________. Mixed cropping Inter cropping Multiple 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. Horti-pastoral farming refers to: Growing fodder and rearing cattle. Growing mixed crops. Growing food and fodder. Growing fruit trees and fodder simultaneously. None 6. If crop rotation is done properly then 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 Three or four crops can be grown in a year with good harvests None of these 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. Weeds affect the crop plants by dominating the plants to grow. all of these. competing for various resources of crops (plants) causing low availability of nutrients. killing of plants in field before they grow. None 9. Cattle husbandry is done for the following purposes (i) Milk production (ii) Agricultural work (iii) Meat production (iv) Egg production (i), (ii) and (iii) (i) and (iv) (ii), (iii) and (iv) (iii) and (iv) None 10. Hybridisation refers to crossing between genetically ______ plants. Dissimilar Identical All of the above Similar None 11. Which one of the following nutrients is not available in fertilisers? Potassium Nitrogen Phosphorus Iron None 12. Find out the wrong statement from the following Increasing food production without compromising with environmental quality is called as sustainable agriculture. Blue revolution is meant for increase in fish production None of the above White revolution is meant for increase in milk production. None 13. 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 Increased production and storage of food grains Easy access of people to the food grain None 14. 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. (i) and (ii) (iii) and (iv) (i) and (iii) (ii) and (iii) None 15. What is manure? It is a natural material obtained by decaying plant and animal waste. It is a semi synthetic material. It can be both natural and synthetic. It is a synthetic material prepared in laboratory. 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.
