Nature and World Waterfalls Quiz

Angel Falls is indeed named after James Crawford Angel, an American aviator who discovered it in 1933. At 979 meters, it is the world's highest uninterrupted waterfall. The statement correctly identifies both the naming origin and the height measurement.

Iguazu Falls is located on the border between Brazil and Argentina, specifically within the Iguazu River. It is one of the world's largest waterfall systems, consisting of approximately 275 individual falls spread across nearly 3 kilometers.

Rhine Falls is located in Switzerland, which is in Europe. It's the largest plain waterfall in Europe. The other options are specific countries, but Europe is the correct continental designation.

The Victoria Falls is NOT the highest waterfall - it's considered one of the largest by water volume, but Angel Falls in Venezuela is the highest at 979 meters. Victoria Falls on the Zambia-Zimbabwe border is approximately 108 meters tall, making the statement false.

Kaziranga National Park in Assam is famous for its population of the one-horned rhinoceros (Rhinoceros unicornis), which has been successfully conserved there. The park is a UNESCO World Heritage Site primarily known for this species, not for zebras, lions, or giraffes which aren't native to India.

Pashmina wool is obtained from the fine undercoat of Himalayan mountain goats (Capra hircus). The wool is combed out during the spring molting season and processed into luxury textiles. Sheep produce regular wool, deer have antlers, and rams are male sheep - none produce pashmina.

To understand the characteristics of snake pupils, we need to consider their activity patterns. Snakes that are active in the daytime typically have round pupils. However, snakes that come out at night have unique adaptations for low-light conditions.

Now, let's go through each option and explain what is correct for snakes that come out at night:

A. horizontal pupils: This option is incorrect. Snakes that are active at night do not have horizontal pupils. Horizontal pupils are typically seen in animals such as goats and sheep.

B. no pupils: This option is incorrect. All snakes have pupils, regardless of their activity patterns.

C. vertical pupils: This option is correct. Snakes that come out at night typically have vertical pupils. Vertical pupils are common in nocturnal animals and help them adjust to varying light levels.

D. round pupils: This option is incorrect. Round pupils are typically seen in snakes that are active during the daytime.

So, the correct answer is:

C. vertical pupils

The Arctic tern (Sterna paradisaea) makes the longest migration of any animal, flying from its Arctic breeding grounds to Antarctic waters and back each year. This pole-to-pole journey covers approximately 71,000 km annually. Swallows and cranes migrate but not this extreme distance, and penguins are flightless.

Geckos are small lizards belonging to the family Gekkonidae, commonly found in houses worldwide. They are reptiles, not dinosaurs (extinct), bats (mammals that fly), or snakes (legless reptiles). House geckos are known for their ability to climb walls and their distinctive chirping sounds.

Tugela Falls in South Africa is generally cited as having a total drop of 948 meters (3,110 feet) in five leaps. The answer 947 mtrs is very close and likely within acceptable rounding. Options C and D (877, 850) are too low, while B (977) is too high.

The Egyptian plover (often called Nile plover) is known for entering crocodiles' mouths to clean their teeth and gums, picking out parasites and food particles. This mutualistic relationship is documented but debated by scientists. Sparrows, kingfishers, and crows do not exhibit this behavior with crocodiles.