1.
Which of these is the closest relative of the hippopotamus?
Correct Answer
B. Whale
Explanation
The correct answer is Whale because the hippopotamus and the whale are both mammals that share a common ancestor. They have similar physical characteristics such as a large body size, a streamlined shape, and a blowhole. Additionally, both animals spend a significant amount of time in water and have adaptations for aquatic life. While the other options are also mammals, they are not as closely related to the hippopotamus as the whale.
2.
What's the average weight of a male adult hippopotamus?
Correct Answer
A. 1,500 kg to 1,800 kg
Explanation
The average weight of a male adult hippopotamus is between 1,500 kg to 1,800 kg.
3.
What's the average height and weight of a hippopotamus?
Correct Answer
B. 11 feet long and 5 feet tall
Explanation
The correct answer is 11 feet long and 5 feet tall. This suggests that the average height and weight of a hippopotamus is approximately 11 feet long and 5 feet tall.
4.
What's the approximate bite force of the hippopotamus?
Correct Answer
C. 12,600 kPa
Explanation
The approximate bite force of the hippopotamus is 12,600 kPa.
5.
Which of these animals do hippopotamuses most commonly coexist with?
Correct Answer
B. Crocodiles
Explanation
Hippopotamuses most commonly coexist with crocodiles. Both species are often found in the same habitats, such as rivers, lakes, and swamps. Crocodiles are known to prey on young or weak hippos, while adult hippos are capable of defending themselves against crocodile attacks. This coexistence is a result of the overlapping ecological niches and resource availability in their shared environments.
6.
As per genetic evidence, in Africa, hippos showed ___________ after the Pleistocene.
Correct Answer
D. Population expansion
Explanation
According to genetic evidence, hippos in Africa experienced a population expansion after the Pleistocene. This means that the number of hippos in Africa increased significantly during this time period. This expansion could be attributed to various factors such as favorable environmental conditions, availability of resources, or successful reproduction and survival rates.
7.
What's the heaviest weight of a hippo ever recorded?
Correct Answer
C. 4490 kg
Explanation
The heaviest weight of a hippo ever recorded is 4490 kg.
8.
Where do hippos spend most of their day?
Correct Answer
A. In water
Explanation
Hippos spend most of their day in water. This is because they are semi-aquatic animals that are adapted to living in aquatic environments. They have a dense body structure that allows them to float and move effortlessly in water. Additionally, spending time in water helps to regulate their body temperature and keeps their skin moisturized. While they do come on land to graze and rest, the majority of their day is spent in water.
9.
Which of these is true about hippos?
Correct Answer
B. Hippos can't jump on land.
Explanation
Hippos are known for their inability to jump on land. Despite their large size and powerful bodies, their anatomy and muscular structure do not allow them to perform jumping movements. While they are excellent swimmers, they are not the fastest swimmers. Additionally, although hippos do require a significant amount of food, they can actually survive for several days without eating. Therefore, the correct statement is that hippos can't jump on land.
10.
Other than Hippopotamidae, which of these evolved from Cetruminantia?
Correct Answer
D. Both A & B
Explanation
Both A & B evolved from Cetruminantia. The question is asking which of the given options evolved from Cetruminantia other than Hippopotamidae. The options Ruminantia and Cetacea both belong to the group Cetruminantia, so they are the correct answer. Artiofabula is not a part of Cetruminantia, so it is not the correct answer.