विज्ञान एवं प्रौद्योगिकी प्रश्नावली #

Science & Technology mcqs#2

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Science & Technology mcqs#2 Q 1.Recombinant DNA technology (Genetic Engineering) allows genes to be transferred 1. across different species of plants 2. from animals to plants 3. from microorganisms to higher organisms Select the correct answer using the codes given below.  1 only  2 and 3 only  1 and 3 only  1, 2 and 3 … Read more

पर्यावरण विज्ञान प्रश्नावली #1

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पर्यावरण विज्ञान प्रश्नावली #1 Q 1. निम्नलिखित फसलों में से कौन सी फसल मीथेन और नाइट्रस ऑक्साइड दोनों का सबसे महत्वपूर्ण मानवजनित स्रोत है? (a) कपास (b) चावल (c) गन्ना (d) गेहूँ Show Answer (b) चावल Q 2. निम्नलिखित युग्मों पर विचार करें: आर्द्रभूमि/झील:                        स्थान 1. होकेरा वेटलैंड                      पंजाब 2. रेणुका वेटलैंड            … Read more

Environemt science mcqs#1

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Environemt science mcqs#1 Q 1. Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide ? (a) Cotton (b) Rice (c) Sugarcane (d) Wheat Show Answer (b) Rice Q 2. Consider the following pairs:       Wetland/Lake:                      Location 1.Hokera … Read more

Science & Technology mcqs#1

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Science & Technology mcqs#1 Q 1.Government of India encourages the cultivation of ‘sea buckthorn’. What is the importance of this plant? 1. It helps in controlling soil erosion and in preventing desertification. 2. It is a rich source of biodiesel. 3. It has nutritional value and is well-adapted to live in cold areas of high … Read more