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. Hybridisation refers to crossing between genetically ______ plants. Similar Identical All of the above Dissimilar None 2. Appropriate .......... can prevent the occurrence of infectious diseases and reduce the loss of poultry during an outbreak of diseases. Weight None of the above Food Vaccination None 3. Cattle husbandry is done for the following purposes (i) Milk production (ii) Agricultural work (iii) Meat production (iv) Egg production (i) and (iv) (i), (ii) and (iii) (ii), (iii) and (iv) (iii) and (iv) None 4. If crop rotation is done properly then 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 Two or three crops can be grown in a year with good harvests None 5. Horti-pastoral farming refers to: Growing mixed crops. Growing fodder and rearing cattle. Growing food and fodder. Growing fruit trees and fodder simultaneously. None 6. The method of growing different crops alternatively on same piece of land is called _______________. Rotation cropping Multiple cropping Inter cropping Mixed cropping None 7. Which one of the following nutrients is not available in fertilisers? Phosphorus Iron Potassium Nitrogen None 8. Which of the following are Indian cattle? (i) Bos indicus (ii) Bos domestica (iii) Bos bubalis (iv) Bos vulgaris (ii) and (iii) (iii) and (iv) (i) and (iii) (i) and (ii) None 9. Find out the wrong statement from the following White revolution is meant for increase in milk production. None of the above Increasing food production without compromising with environmental quality is called as sustainable agriculture. Blue revolution is meant for increase in fish production None 10. The main canal is divided into branch canals having further distributaries to ____ fields. Farming Composting All of the above Irrigate None 11. The branch of agricultural science dealing with production of field crops and management of the soil is called Genetic engineering Astronomy Agronomy Anatomy None 12. 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) (iii) and (iv) (i) and (ii) (i) and (iii) None 13. Weeds affect the crop plants by dominating the plants to grow. all of these. killing of plants in field before they grow. competing for various resources of crops (plants) causing low availability of nutrients. None 14. What is manure? It is a natural material obtained by decaying plant and animal waste. It is a synthetic material prepared in laboratory. It can be both natural and synthetic. It is a semi synthetic material. None 15. To solve the food problem of the country which among the following is necessary? Increased production and storage of food grains Easy access of people to the food grain All of the above People should have money to purchase the grains 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.
