A. Aeverology B. Ornithology C. Ornithophily D. Polligramy Ornithophily refers to the pollination of flowers by birds. This process often involves brightly colored flowers that produce nectar,. Pollination of flowers by birds is called ornithophily. Explanation Birds pollinate flowers by visiting them in search of nectar, a sweet liquid that they use for food. Birds … Read more
A. Water waves B. Color contrast C. Time D. Sound waves A chronometer is a precise instrument used to measure time. A chronometer meter measures time very accurately, especially designed to withstand variations in temperature, humidity, and air pressure, making it ideal for precise timekeeping, particularly in navigation at sea. Key points about a chronometer: … Read more
A. Moons of Jupiter B. Young star and Old star C. Old star and Young star D. None of these Blue dwarfs are hypothetical stars that are in the early stages of their life cycle, while red giants are stars in a later stage, having exhausted the hydrogen in their cores. The correct answer to … Read more
A. 30 km B. 40 km C. 50 km D. None of these Most tsunamis are generated by shallow-focus earthquakes with hypocenters less than 40 km deep. The correct answer to the question: “Most major Tsunamis are produced by earthquakes with hypocenters less than:” is “40 km”.
A. Wind B. Solar C. Biomass D. None of these Wind energy is generated by the uneven heating of the Earth’s surface, which causes air to move and create wind. The correct answer to the question: “Which of the following source of energy is caused by uneven heating of earth’s surface?” is “Wind”.
A. Trade winds B. Western winds C. Reynolds wind D. None of these Trade winds are steady global winds that blow from east to west in the tropical regions, specifically from the subtropical high-pressure areas towards the equatorial low-pressure zone. These winds are also known as easterlies because they originate from the east and move … Read more
A. Reflection B. Refraction C. Diffraction D. None of these Light is guided through the core of an optical fiber by total internal reflection. The correct answer to the question: “In the structure of fiber, the light is guided through the core due to total internal:” is “Reflection”.
A. Space waves B. Cable waves C. Antenna waves D. None of these Space waves are used for line-of-sight communication, such as in radio and television broadcasting. The correct answer to the question: “The waves which are used for line of sight (LOS) communication are called:” is “Space waves”.
Planets MCQs with answers for competitive exams and one paper test preparation online. Planets MCQs with Answers Which planet has the shortest diameter? Mercury The diameter of the Earth at the equator is: 12756 km Source Reference: NASA Saturn Rocket was launched in to space by: NASA United States Which planet has no moon: Venus … Read more
Most important Vitamins MCQs with Answers for competitive exams and one paper mcqs test preparation online. Vitamins MCQs Which of the following vitamins acts as hormone? A. Vitamin DB. Vitamin BC. Vitamin CD. Vitamin E Of prime importance in the structure of flavoproteins is: A. Vitamin B6B. Vitamin B2C. Vitamin B1D. Vitamin A Which vitamin … Read more