The question asks to identify the category of forests considered the "best" based on their utility. This implies understanding the legal classifications of forests in India and the restrictions/protections associated with each category.
Correct Option: A) Reserved forests are considered the best because they are the most protected category of forests in India. All activities like hunting, grazing, and felling of trees are strictly prohibited unless specific permission is granted. This high level of protection ensures their ecological integrity, biodiversity conservation, and long-term utility for environmental services.
The question asks to identify the mammal that lays eggs. Mammals are typically characterized by giving birth to live young (viviparous) and feeding them milk. However, there are exceptions to this rule, known as monotremes, which are egg-laying mammals.
Correct Option: D) Duckbilled Platypus. The Duckbilled Platypus (and echidnas) are monotremes, a unique order of mammals that lay eggs. Despite laying eggs, they possess all other mammalian characteristics, such as having fur, producing milk to feed their young (though without nipples), and being warm-blooded.
Friction is a force that opposes motion. Different types of friction exist, including static, sliding, and rolling friction. The magnitude of these frictional forces varies, and understanding these differences is key to reducing friction in practical applications.
Correct Option: B) Sliding to rolling. This is the most effective way to reduce friction among the given options because rolling friction is considerably less than sliding friction. This principle is applied in numerous mechanical devices, such as using wheels for vehicles or ball bearings in machinery.
The question asks to identify the country that reached an agreement with Kosovo to overcome its ethnic enmities. This is a factual question related to recent international relations and history, specifically concerning the Balkans region. Knowledge of the historical conflict between Serbia and Kosovo is key to answering this question.
Correct Option: A) Serbia is the country that has been in long-standing negotiations and has reached agreements with Kosovo to address and overcome their ethnic enmities, particularly concerning the status of Kosovo and the rights of the Serb minority within Kosovo.
The question asks to identify the nature of the Bhopal disaster of 1984. This requires knowledge of major historical industrial accidents.
Correct Option: C) Chemical accident
The question asks to identify the winner of the Asia Cup Hockey tournament in 2013. This requires knowledge of historical sports events, specifically the results of the 2013 Men's Asia Cup Hockey.
Correct Option: C) South Korea won the Asia Cup Hockey 2013 by defeating India in the final match.
The question asks about the location of the Kovvada Nuclear Power Plant, which was in the news around 2013. This requires knowledge of major infrastructure projects and their geographical locations in India.
Correct Option: B) Andhra Pradesh
The question asks to identify what Google is from the given options. This requires basic knowledge about common internet services and computer terminology.
Correct Option: B) Search Engine. Google's most prominent and foundational service is its search engine, which indexes billions of web pages and allows users to find information by entering keywords.
The question asks to identify the winner of the Men's Singles title at the French Open in 2013. This requires knowledge of major tennis tournament results from that specific year.
Correct Option: C) Rafael Nadal won the Men's Singles title at the French Open in 2013, defeating David Ferrer in the final.
The question asks about the purpose of escape velocity when a rocket is launched from Earth towards the Moon. Escape velocity is the minimum speed an object needs to overcome the gravitational pull of a massive body. We need to identify which gravitational pull the rocket primarily needs to overcome at the moment of launch from Earth.
Correct Option: A) Earth's gravitational pull. The escape velocity for a rocket fired from Earth is calculated to overcome the gravitational force exerted by Earth, allowing the rocket to move into space without falling back.