Q01. The lower Gangetic plain is characterised by a humid climate with high temperature throughout the year. Which one among the following pairs of crops is most suitable for this region?
A Paddy and cotton B Wheat and Jute C Paddy and Jute D Wheat and cotton
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Correct answer: Paddy and Jute
Q02. Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?
A They activate the enzyme necessary for vitamin synthesis in the body and help prevent vitamin deficiency. B They prevent excessive oxidation of carbohydrates, fats and protein in the body and help avoid unnecessary wastage of energy. C They neutralise the free radical produced in the body during metabolism. D They activate certain genes in the cells of the body and help delay the ageing process.
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Correct answer: They neutralise the free radical produced in the body during metabolism.
Q03. Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of Salinization on irrigated land?
A It greatly increases the crop production B It makes some soils impermeable C It raises the water table D It fills the air spaces in the soil with water
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Correct answer: It makes some soils impermeable
Q04. Among the following states, which one has the most suitable climatic conditions for the cultivation of a large variety of orchids with minimum cost of production, and can develop an export-oriented industry in this field?
A Andhra Pradesh B Arunachal Pradesh C Madhya Pradesh D Uttar Pradesh
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Correct answer: Arunachal Pradesh
Q05. With reference to micro-irrigation, which of the following statements is/are correct? 1. Fertiliser/nutrient loss can be reduced. 2. It is the only means of irrigation in dry land farming. 3. In some areas of farming, receding of the groundwater table can be checked. Select the correct answer using the code given below:
A 1 only B 2 and 3 only C 1 and 3 only D 1, 2 and 3
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Correct answer: 1 and 3 only
Q06. A genetically engineered form of brinjal, known as the Bt-Brinjal, has been developed. The objective of this is
A To make it pest-resistant B To improve its taste and nutritive qualities C To make it drought resistant D To make its shelf-life longer
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Correct answer: To make it pest-resistant
Q07. When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because?
A Water from soil cannot rise to aerial parts. B Roots are starved of energy. C Tree is infected by soil microbes. D Roots do not receive oxygen for respiration.
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Correct answer: Roots are starved of energy.
Q08. Consider the following crops of India. 1. Groundnut 2. Sesamum 3. Pearl millet Which of the above is / are predominantly rainfed crop/s?
A 1 and 2 only B 2 and 3 only C 3 only D 1, 2 and 3
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Correct answer: 1 and 2 only
Q09. Consider the following crops of India. 1. Cowpea 2. Green gram 3. Pigeon pea Which of the above is/are used as pulse, fodder and green manure?
A 1 and 2 only B 2 only C 1 and 3 only D 1, 2 and 3
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Correct answer: 1 and 2 only
Q10. How does the National Rural Livelihood Mission seek to improve livelihood options of rural poor? 1. By setting up a large number of new manufacturing industries and agribusiness centres in rural areas 2. By strengthening 'Self-Help Groups' and providing skill development 3. By supplying seeds, fertilisers, diesel pump-sets and micro-irrigation equipment free of cost to farmers Select the correct answer using the code given below:
A 1 and 2 only B 2 only C 1 and 3 only D 1, 2 and 3
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Correct answer: 2 only
Q11. Consider the following kinds of organisms. 1. Bacteria 2. Fungi 3. Flowering plants Some species of which of the above kinds of organisms are employed as biopesticides?
A 1 only B 2 and 3 only C 1 and 3 only D 1, 2 and 3
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Correct answer: 1, 2 and 3
Q12. Many transplanted seedlings do not grow because
A The new soil does not contain favourable minerals B Most of the root hairs grip the new soil too hard C Most of the root hairs are lost during transplantation D Leaves get damaged during transplantation
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Correct answer: Most of the root hairs are lost during transplantation
Q13. Consider the following crops 1. Cotton 2. Groundnut 3. Rice 4. Wheat Which of these are Kharif crops?
A 1 and 4 B 2 and 3 only C 1, 2 and 3 D 2, 3 and 4
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Correct answer: 1, 2 and 3
Q14. Which of the following statements regarding laterite soils of India are correct? 1. They are generally red in colour. 2. They are rich in nitrogen and potash. 3. They are well-developed in Rajasthan and UP. 4. Tapioca and cashew nuts grow well on these soils. Select the correct answer using the codes given below.
A 1, 2 and 3 B 2, 3 and 4 C 1 and 4 D 2 and 3 only
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Correct answer: 1 and 4
Q15. Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by
A Bacteria B Protozoa C Moulds D Viruses
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Correct answer: Moulds
Q16. Contour bunding is a method of soil conservation used in
A Desert margins, liable to strong wind action B Low flat plains, close to stream courses, liable to flooding C Scrublands, liable to spread of weed growth D None of the above
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Correct answer: None of the above
Q17. With reference to the usefulness of the by-products of the sugar industry, which of the following statements is / are correct? 1. Bagasse can be used as biomass fuel for the generation of energy. 2. Molasses can be used as one of the feedstocks for the production of synthetic chemical fertilizers. 3. Molasses can be used for the production of ethanol. Select the correct answer using the codes given below.
A 1 only B 2 and 3 only C 1 and 3 only D 1, 2 and 3
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Correct answer: 1 and 3 only
Q18. In the context of food and nutritional security of India, enhancing the 'Seed Replacement Rates' of various crops helps in achieving the food production targets of the future. But what is/are the constraint/ constraints in its wider / greater implementation? 1. There is no National Seeds Policy in place. 2. There is no participation of private sector seed companies in the supply of quality seeds of vegetables and planting materials of horticultural crops. 3. There is a demand-supply gap regarding quality seeds in case of low value and high volume crops. Select the correct answer using the code given below.
A 1 and 2 B 3 only C 2 and 3 D None
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Correct answer: 3 only
Q19. Consider the following statements. 1. Maize can be used for the production of starch. 2. Oil extracted from maize can be a feedstock for biodiesel. 3. Alcoholic beverages can be produced by using maize. Which of the statements given above is/are correct?
A 1 only B 1 and 2 only C 2 and 3 only D 1, 2 and 3
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Correct answer: 1, 2 and 3
Q20. Consider the following pairs. Region Well-known for the production of 1. Kinnaur Areca nut 2. Mewat Mango 3. Coromandel Soya bean Which of the above pairs is/are correctly matched?
A 1 and 2 only B 3 only C 1, 2 and 3 D None
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Correct answer: None