16)Which one of the following is not a feature of “Value Added Tax”?
Answer: Option D
Value added tax is a multistage sales tax with credit for taxes paid on business purchases. It is a multi-point destination-bases taxation system. This tax is levied on value addition at each stage of transaction in the producton-dstribution chain. This tax is ultimately borne by the consumer, on final consumption of goods and services. VAT is basically a state subject and the central government plays the role of facilitator for its successful implementation.
Hence, Option D is not he feature of VAT.
Generally closed economies are self sufficient in which neither the exports nor the imports take place. The goal of this kind of economy is provide the consumers with everything they need from within the country. Closed economy is the opposite of the open economy, where the country conducts trade with outside regions.
Hence Option D is correct.
18)When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because
Answer: Option B
The complete removal of the strip of the bark of the tree in a circular fashion from the entire outer circumference is called girdling. Girdling results in the death of wood tissues. With the removal of the bark, phloem is also removed and glucose cannot reach its roots. So, the roots are starved of energy.
Hence, Option B is correct.
19)The “New Start” treaty was in the news. What is this treaty ?
Answer: Option A
NEW START treaty is a nuclear arms reduction treaty between US and Russian Federation. Its formal name is Measures for the Further Reduction and Limitation of Strategic Offensive Arms. It was signed in 2010, ratified in 2011 and will last until 2012.
20)Three of the following criteria have contributed to recognition of Western Ghats- Sri Lanka and Indo-Burma regions as hotspots of biodiversity :
1. Species richness
2. Vegetration density
4. Ethno-botanical importance
5. Threat perception
6. Adaptation of flora and fauna to warm and humid conditions.
Which three of the above are correct criteria in this context ?
Answer: Option C
The western ghats of India and Srilanka were included among the first 18 Global biodiversity hotspots due to high levels of species endemism. The Indo-Burms hotspot, with its rich species of plants and animals is a global priority for conservation. These hotspots also include species with high levels of threat.
Hence, Option C is correct.