Vermicompost is a kind of manure, rich in organic matter and nutrients, which is derived from organic wastes of plant and animal origin by the activity of earthworms. (c) (ii) and (iii) Solution: On the basis of seasonal variations, crops in India can be classified into three main groups : Question 31. Download app for fast access + Download … The basic advantage (merit) of fish culture is that it decreases our dependence on natural sources of fish. In fact, the taste of honey depends upon the type of flowers, available. Find out the correct sentence. (d) After decomposition it becomes green manure. (c) (i) and (iv) More expenditure needs to be done on their maintenence and providing them suitable conditions for increasing their productivity. (c) Cauliflower Useful insects are those which assist in pollination thus, ensure fruit formation and those which feed on harmful)nsect pests. Which of the following is not a reason for the preferential use of this breed? Quiz 41: Microbiology of Food. (d) Rabi. Cross-breeding of two varieties of plants is carried out to obtain an improved variety of plants which will combine in it both the desired characteristics of parent crop plants. It is super easy to create a quiz in minutes with ProProfs. Define the term hybridisation and photoperiod. Short Answer. (d) Catlas Therefore the highest peak in plot of graph slightly delayed. Solution: Module 1:two written tests are set at different times during the course with 10 multiple choice questions relating to different parts of the course. Question 43. Psyllium may be helpful in the treatment of diarrhea because it reduces the liquidity of the stool. As we always suggest 100% result for our mock tests. Every year Insect pests cause a significant damage to the crops and thereby reduce the productivity. (d) Biotic and abiotic factors, which cause destruction of grains during storage can be prevented by following methods: Question 18. Pesticides are used in very accurate concentration and in (b) Bacteria Why is organic matter important for crop production? Question 36. (b) Phosphorus 5. Poultry farming is undertaken to raise following Solution: excessive intestinal bacterial growth. Question 17. Great job! 42. (d) White revolution and blue revolution are the terms used to denote the period in which modem techniques and special strategies were applied to increase the production of milk and fish respectively. @⇒ Fungi molds and yeasts ⇒ Microbiology ⇒ Medical Science Engineering Multiple Choice Questions / Objective type questions, MCQs, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory . 9. Its excessive use pollutes the environment because it is made of animal excretory waste. Common honey bee (4) Downward (d) Growing different crops on a piece of land in pre-planned succession is known as ______. Q2. Because if by any chance you see any questions different as of you mock tests. Only questions which 33% of students have answered correctly are included in the final score. These diseases are spread by contact from animal to animal. After a few days, Needham observed that the broth had become cloudy and a single drop contained numerous microscopic creatures. Question 11. Question 13. According to an estimate, by the year … All NCERT textbook questions have been solved by our expert teachers. A selection of products from the great cheese-producing nations of the world. Under such conditions various irrigation systems can be adopted to supply water from different water resources. These diseases reduce the bird growth, decrease egg production, decrease fertility and may even cause death. An iron deficiency can lead to anemia. Unwanted plant in crop fields (4) Soil should be enriched with more humus content so as to increase the water holding capacity as it retains water for longer duration. NCERT Exemplar Problems Class 9 Science – Improvement in Food Resources Multiple Choice Questions (MCQs) Question 1: Which one is an oil yielding plant among the following? (i) Hybridisation means crossing between genetically dissimilar plants. (a) Lentil Solution: Find out the correct sentence about manure. Name two types of animal feed and write their functions. (a) (i), (ii) and (iii) The crossing between genetically dissimilar plants to produce a new kind (hybrid) is called hybridisation. (b) dominating the plants to grow We can obtain fish of desired species in desired numbers by aclturing them. Question 27. For premium access Login / Register. (b) Economically important desired fishes are made available, (c) There is more mortality in the younger stages of the fishes, (d) Through selective hybridization, yield and quality of fishes are improved, Answer: (c) There is more mortality in the younger stages of the fishes. (a) Nitrogen In India crops are grown in diverse types of soil and different climatic conditions by poor to progressive farmers. (d) crop rotation Exotic breeds of cow are jersey, Holstein-Friesian, Brown Swiss. Solution: (d) Hibiscus Question 21. Solution: Source of income : The fishing industry has brought a lot of income to the farmers in particular and the country on the whole. 7. (a) 16 Oil yielding plant (9) Define NTPC Admit Card 2020 Released for ITI Trainee, Lab Assistant and Assistant Posts @ntpc.co.in, Download Call Letter. (a) Increased production and storage of food grains Which of the following is a fungus disease causing maximum deaths of poultry birds? E) All of the above. Animal feed (6) Quickly memorize the terms, phrases and much more. On completion, submit your assessment via the LMS to your assessor. Two biofertilisers, Rhizobium and blue green algae (Nostoc and Anabaena) are being used in cultivating pulses, legumes, oil seeds and wet-land rice. bottom feeders. Solution: 3. Give the merits and demerits offish culture Manures enrich the soil with nutrients and organic matter, which further increases the soil fertility. List out some useful traits in improved crop. (i) Bos indicus Differentiate between the following: (a) A large number of fishes are raised in the small area. Dairy animals suffer from various types of diseases, one of which are the infectious diseases. Fill in the blanks. none. It is adapted for the drier regions of the country such as Gujarat and Rajasthan. an ulcer. Match the following A and B. (c) (ii) and (iii) It also avoids water logging in clayey soils. However you use this worksheet, it's the perfect accompaniment to your GCSE Biology lessons, giving your students more practice with these essential calculations. Manures enrich the soil with nutrients and replenish the general deficiency of nutrients in the soil. Cholesterol Saturated fat Trans fat Unsaturated fat. In order to obtain the good quality and quantity of yield in dairy and poultry farming which of the following management practices should be followed? MST. (a) Fertilized eggs and well-nourished larvae, (c) Fertilized eggs giving heat treatment. (d) Potassium The score can be 0 (zero) or 1 (one). Solution: Various crops require different climatic conditions, temperature and photoperiod, for their growth and completion of life cycle. With the addition of chemical fertilisers the yield of the crop increased initially, but with continued use of chemical fertilisers the crop yield decreased significantly. Crop grown in winter season (4) Q8. Its seeds are used to extract oil. Their main role is to mate with queen bee and help in breeding. pancreas liver salivary glands stomach cells. Zaid crop: It is a summer season crop grown from April to June. (e) Rabi. Among the given food items rice, millets and sorghum are cereals and are rich source of carbohydrates while gram is a pulse and is a rich source of protein. (a) Rice (b) Millets (c) … Financial condition of farmers allow them to take up different farming practices and technologies. For the production of honey on the commercial basis, Italian variety of honey bee, Apis mellifera is commonly used throughout the country. For example, silver carp feeds on phytoplanktons, catla feeds on zooplanktons, rohu and mrigal feed on decaying plants and detritus, grass carp feeds on aquatic plants and weeds. Name two symptoms that anemia may have. (iii) Bos bubalis (d) Apis mellifera (b) June, October NCERT Solutions For Class 9 Science Chapter 15 Improvement in Food Resources (Biology) solved by Expert Teachers as per NCERT (CBSE) Book guidelines. (d) Poultry fowl suffer from various diseases caused by viruses (Ranikhet, Fowl pox), bacteria (tuberculosis, cholera), fungi (Aspergillosis) and parasites (worms, mites) etc. Each multiple-choice question has four responses. (c) competing for various resources of crops (plants) causing low availability of nutrients We hope the NCERT Exemplar Class 9 Science Chapter 15 Improvement in Food Resources will help you. Various cross breeding programmes between desi (indigenous) and exotic (foreign) breeds are being carried out for the production of cross breeds with desirable traits. (a) (i) and (iii) All edible mushrooms are from the phylum Basidiomycota . Lab 1 Introduction to Science BIO101 Student Name: Click here to enter text. Solution: (d) To feed the ever growing population, more food is required to be produced. Q7. Kinsley describes ontological as a disease process that is different or separate from the individual’s body (1996:170). (ii) In plot A manures were used to improve the soil fertility. Solution: Download app … Arrange these statements in correct sequence of preparation of green manure. Discuss various methods for weed control. The common poultry birds are chicken, turkey, duck, geese, guinea-fowl and pigeon. Insects affect the crop yields in both useful and harmful ways. Accuracy: A team of editors takes feedback from our visitors to keep trivia as up to date and as accurate as possible.Complete quiz index can be found here: Cheeses and Dairy Products Quizzes There are 35 … Fill in the blanks. Use from 100+ scored and personality quiz templates, a question library with 100,000+ ready-to-use questions, 10+ question types, and many other amazing features that make it remarkably … Moreover, the runoff from fields carry pesticides into the water bodies. Prevention and control of diseases and pests. Agriculture, along with the fisheries and forestry, account for _____ of the nation’s GDP and is its single largest contributors. Solution: For premium access Login / Register. rearing up of large size fowls that are unable to adapt during summers : Question 47. Organic matter is very much important for enhancement in food production. The thought behind this diet is to cut out foods that cause your body to produce acid ; including meat, wheat, refined sugar, processed foods, dairy, eggs, canned food… Now golden revolution is expected in the production of pulses. In agricultural practices, higher inputs give higher yield. Abnormal Behaviour and Mental Health (PYC3702): Test BANK, Multiple Choice and Essay Questions and Answers. Q 3 Q 3. 4. There are, however certain problems or demerits associated with fash farming/culture fishery. i. Hybridization means crossing between genetically dissimilar plants, ii. The examples of manure are farmyard manure (FYM), compost, vermicompost, etc. Which one of the following species of honey bee is an Italian species? MCQs on Class 9 Biology Chapter-Improvement in Food Resources are based on the latest exam pattern and the NCERT textbook. This is task is used to determine your current level of knowledge and understanding and … This happened because chemical fertilisers are nutrient specific and give only short-term benefits. Discuss how? The food source could not support life. 10. Compare And Contrast Antiseptic And Disinfectants . (c) People should have money to purchase the grains Addition of manures into the soil have long term benefits and improve the soil fertility which considerably increased the crop yield. (d) Soil supplies ______nutrients to plants. The overall loss caused by weeds in India had been estimated at 27% of field crop production. B) Choose a number of different foods within any given food group rather than the "same old thing." Question 16. Green manure is a kind of manure which is prepared in the field itself to enrich the soil in nitrogen and phosphorous. Failure to answer is deemed incorrect. Essay. Catla (Catla catla) is surface feeder. Solution: For premium access Login / Register . (a) Farming without the use of chemicals as fertilizers, herbicides and pesticides is known as ______. Most common species of earthworm used for decomposition are Dichogaster bolani. (d) A plant species growing spontaneously in the cultivated field is called a weed. Solution: As the birds are unable to adapt in summer their efficiency will be hampered during high temperature conditions (summers). All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. Download important MCQ questions & answers from CBSE Class 9 Science Chapter 15: Improvement in Food Resources. False. (a) Viruses Compost is prepared from farm and town refuse such as vegetable and animal refuse, faecal matter of human beings, weeds, straw, rice husks, forest litter, etc. Course contents summary. Toggle On. (f) Causal organism of any disease is called as Therefore, eradication of weeds from crop fields during the early stage of crop growth is our prime concern. 1. The crossing may be intervarietal (between different varieties), intergeneric (between different genera), inter-specific (between different species of the same genus). Weeds are the unwanted plants that grow along with the cultivated plants. @⇒ Growth and nutrition of bacteria ⇒ Microbiology ⇒ Medical Science Engineering Multiple Choice Questions / Objective type questions, MCQs, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory . Among the following pick out the correct statement. 5. i. Download important MCQ questions & answers from CBSE Class 9 Science Chapter 15: Improvement in Food Resources. (b) ______ and ______are supplied by air to plants. Essay. Wheat, rice, berseem, maize, gram, oats, pigeon gram, sudan grass, lentil, soyabean, groundnut, castor and mustard. (ii) Why is the highest peak in plot A graph slightly delayed? Free. Since many living organism requires oxygen to survive, it … The method of growing one or more crop simultaneously on same piece of land in an irregular manner is called mixed cropping. It takes about 3 to 6 months for decomposition of organic refuse. It changes saturated fats into unsaturated fats. If more than 33% of students … (a) Poultry industry deals with production of domesticated fowl for meat and eggs. The act of capturing, preservation and utilization of fishes is called fish culture. Harmful insects attack the plants and are called insect pests. Match the column A with the column B. Figure15.1 shows the two crop fields [Plots A and B] have been treated by manures and chemical fertilisers respectively, keeping other environmental factors same. Genetically modified crops are produced by the insertion of genes of desired traits. These worksheets could also be used with intervention groups to help students … Find out the wrong statement among 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 environment quality is called as sustainable agriculture, # CBSE Class 9 MCQs for Maths, Science, Social Science & English Exam 2020. This solution contains questions, answers, images, step by step explanations of the complete Chapter 15 titled Improvement in Food Resources of Science taught in class 9. (ii) Agricultural work (a) Green plants are decomposed in soil. (a) (i) and (iii) They chew and swallow the pieces of plant parts. For example, the organic matter present in the manures increases the water holding capacity in sandy soils and drainage in clayey soil. 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