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Study Material for Class 9 Science Chapter 15 Improvement in Food Resources
Class 9 Science students should refer to the following Pdf for Chapter 15 Improvement in Food Resources in Class 9. These notes and test paper with questions and answers for Class 9 Science will be very useful for exams and help you to score good marks
Class 9 Science Chapter 15 Improvement in Food Resources
CBSE Class 9 Science Improvement in food resources Sure Shot Questions C. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.
1. Which one is an oil yielding plant among the following?
(a) Lentil
(b) Sunflower
(c) Cauliflower
(d) Hibiscus
2. Which one is not a source of carbohydrate?
(a) Rice
(b) Millets
(c) Sorghum
(d) Gram
3. Find out the wrong statement from the following
(a) White revolution is meant for increase in milk production
(b) Blue revolution is meant for increase in fish production
(c) Increasing food production without compromising with environmental quality is called as sustainable agriculture
(d) None of the above
4. To solve the food problem of the country, which among the following is necessary?
(a) Increased production and storage of food grains
(b) Easy access of people to the food grain
(c) People should have money to purchase the grains
(d) All of the above
5. Find out the correct sentence
(i) Hybridisation means crossing between genetically dissimilar plants
(ii) Cross between two varieties is called as inter specific hybridisation
(iii) Introducing genes of desired character into a plant gives genetically modified crop
(iv) Cross between plants of two species is called as inter varietal hybridisation
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (ii) and (iii)
(d) (iii) and (iv)
(a) killing of plants in field before they grow
(b) dominating the plants to grow
(c) competing for various resources of crops (plants) causing low availability of nutrients
(d) all of the above.
7. Which one of the following species of honey bee is an Italian species?
(a) Apis dorsata
(b) Apis florae
(c) Apis cerana indica
(d) Apis mellifera
8. 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) Its excessive use pollutes environment because it is made of animal excretory waste.
(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)
9. Cattle husbandry is done for the following purposes
(i) Milk Production
(ii) Agricultural work
(iii) Meat production
(iv) Egg production
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (iii) and (iv)
(d) (i) and (iv)
10. Which of the following are Indian cattle?
(i) Bos indicus
(ii) Bos domestica
(iii) Bos bubalis
(iv) Bos vulgaris
(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)
11. Which of the following are exotic breeds?
(i) Brawn
(ii) Jersey
(iii) Brown Swiss
(iv) Jersey Swiss
(a) (i) and (iii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (ii) and (iv)
12. Poultry farming is undertaken to raise following
(i) Egg production
(ii) Feather production
(iii) Chicken meat
(iv) Milk production
(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)
13. Poultry fowl are susceptible to the following pathogens
(a) Viruses
(b) Bacteria
(c) Fungi
(d) All of the above
14. Which one of the following fishes is a surface feeder?
(a) Rohus
(b) Mrigals
(c) Common carps
(d) Catlas
15. Animal husbandry is the scientific management of
(i) animal breeding
(ii) culture of animals
(iii) animal livestock
(iv) rearing of animals
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (i), (ii) and (iv)
(d) (i), (iii) and (iv)
16. Which one of the following nutrients is not available in fertilizers?
(a) Nitrogen
(b) Phosphorus
(c) Iron
(d) Potassium
17. Preventive and control measures adopted for the storage of grains include
(a) strict cleaning
(b) proper disjoining
(c) fumigation
(d) all of the above
18. Match the column A with the column B
(A) (B)
(a) Catla (i) Bottom feeders
(b) Rohu (ii) Surface feeders
(c) Mrigal (iii) Middle-zone feeders
(d) Fish farming (iv) Culture fishery
19. Fill in the blanks
(a) Pigeon pea is a good source of ———.
(b) Berseem is an important———crop.
(c) The crops which are grown in rainy season are called———crops.
(d) ———are rich in vitamins.
(f) ——— crop grows in winter season.
20. What is a GM crop? Name any one such crop which is grown in India.
21. List out some useful traits in improved crop?
22. Why is organic matter important for crop production?
23. Why is excess use of fertilizers detrimental for environment?
24. Give one word for the following
(a) Farming without the use of chemicals as fertilizers, herbicides and pesticides is known
as ———.
(b) Growing of wheat and groundnut on the same field is called as ———.
(c) Planting soyabean and maize in alternate rows in the same field is called as ———.
(d) Growing different crops on a piece of land in pre-planned succession is known as——
—.
(e) Xanthium and Parthenium are commonly known as———.
(f) Causal organism of any disease is called as ———.
25. Match the following A and B
(A) (B)
(a) Cattle used for tilling and carting (i) Milk producing female
(b) Indian breed of chicken (ii) Broiler
(c) Sahiwal, Red Sindhi (iii) Drought animals
(d) Milch (iv) Local breed of cattle
(e) Chicken better fed for obtaining meat (v) Aseel
26. If there is low rainfall in a village throughout the year, what measures will you suggest to the farmers for better cropping?
27. Group the following and tabulate them as energy yielding, protein yielding, oil yielding and fodder crop: Wheat, rice, berseem, maize, gram, oat, pigeon gram, sudan grass, lentil, soyabean, groundnut, castor and mustard.
28. Define the term hybridization and photoperiod.
29. Fill in the blanks
(a) Photoperiod affect the————.
(b) Kharif crops are cultivated from————to————.
(c) Rabi crops are cultivated from————to————.
(d) Paddy, maize, green gram and black gram are————crops.
(e) Wheat, gram, pea, mustard are————crops.
30. Cultivation practices and crop yield are related to environmental condition. Explain.
31. Fill in the blanks
(a) A total of———nutrients are essential to plants.
(b) ———and———are supplied by air to plants.
(c) ———is supplied by water to plants.
(d) Soil supply———nutrients to plants.
(e) ———nutrients are required in large quantity and called as———.
(f) ——— nutrients are needed in small quantity for plants and are called ———.
32. Differentiate between compost and vermicompost?
33. Arrange these statements in correct sequence of preparation of green manure.
(a) Green plants are decomposed in soil.
(b) Green plants are cultivated for preparing manure or crop plant parts are used.
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CBSE Class 9 Science Chapter 15 Improvement in Food Resources Study Material
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