- What is a defining characteristic of mammals?
- A) Feathers
- B) Scales
- C) Hair or fur
- D) Gills
Answer: C) Hair or fur
- Which of the following is a common subclass of mammals?
- A) Reptilia
- B) Amphibia
- C) Eutheria
- D) Aves
Answer: C) Eutheria
- What type of reproduction do most mammals exhibit?
- A) Oviparous
- B) Viviparous
- C) Ovoviviparous
- D) Asexual
Answer: B) Viviparous
- Which organ in mammals is primarily responsible for milk production?
- A) Stomach
- B) Liver
- C) Mammary glands
- D) Kidneys
Answer: C) Mammary glands
- What is the primary function of fur or hair in mammals?
- A) Communication
- B) Insulation
- C) Flight
- D) Camouflage
Answer: B) Insulation
- Which of the following mammals is known for its ability to glide?
- A) Flying squirrel
- B) Cheetah
- C) Lion
- D) Gorilla
Answer: A) Flying squirrel
- What type of teeth do most mammals have?
- A) Homodont
- B) Heterodont
- C) Incisors
- D) Canines
Answer: B) Heterodont
- Which mammal is known for having a long gestation period?
- A) Elephant
- B) Mouse
- C) Cat
- D) Dog
Answer: A) Elephant
- Which of the following is a characteristic feature of monotremes?
- A) They have a pouch.
- B) They lay eggs.
- C) They are primarily aquatic.
- D) They have a fur coat.
Answer: B) They lay eggs.
- Which mammal is known for its echolocation abilities?
- A) Elephant
- B) Bat
- C) Lion
- D) Horse
Answer: B) Bat
- What is the primary habitat of marine mammals like whales and dolphins?
- A) Freshwater lakes
- B) Deserts
- C) Oceans and seas
- D) Grasslands
Answer: C) Oceans and seas
- Which of the following is a characteristic of carnivorous mammals?
- A) They have flat teeth.
- B) They have sharp canine teeth.
- C) They are herbivores.
- D) They only eat plants.
Answer: B) They have sharp canine teeth.
- What is the primary diet of herbivorous mammals?
- A) Meat
- B) Fruits and vegetables
- C) Insects
- D) Both meat and plants
Answer: B) Fruits and vegetables
- Which mammal is known for its social behavior and complex group dynamics?
- A) Cheetah
- B) Lion
- C) Kangaroo
- D) Platypus
Answer: B) Lion
- What is the primary function of the placenta in mammals?
- A) To store fat
- B) To provide nutrients to the developing fetus
- C) To produce milk
- D) To aid in locomotion
Answer: B) To provide nutrients to the developing fetus.
- Which group of mammals includes kangaroos and koalas?
- A) Eutherians
- B) Marsupials
- C) Monotremes
- D) Rodents
Answer: B) Marsupials
- What is the typical body temperature range for most mammals?
- A) 30-35°C
- B) 36-38°C
- C) 39-41°C
- D) 32-34°C
Answer: B) 36-38°C
- Which mammal is known for its ability to camouflage itself in its environment?
- A) Chameleon
- B) Polar bear
- C) Octopus
- D) Arctic fox
Answer: D) Arctic fox
- Which of the following mammals is the fastest land animal?
- A) Cheetah
- B) Lion
- C) Gazelle
- D) Antelope
Answer: A) Cheetah
- What is the primary function of whiskers in mammals?
- A) Balance
- B) Hunting
- C) Navigation and sensing
- D) Grooming
Answer: C) Navigation and sensing
- Which mammal has a unique ability to regenerate its teeth?
- A) Shark
- B) Beaver
- C) Rodent
- D) Elephant
Answer: B) Beaver
- What type of habitat do bats primarily occupy?
- A) Aquatic
- B) Terrestrial
- C) Arboreal
- D) Desert
Answer: B) Terrestrial
- Which of the following mammals is known for its long migrations?
- A) Gray whale
- B) Sloth
- C) Opossum
- D) Hedgehog
Answer: A) Gray whale
- What is the primary feature of the mammalian heart?
- A) It has two chambers.
- B) It has three chambers.
- C) It has four chambers.
- D) It has no chambers.
Answer: C) It has four chambers.
- Which mammal is known for its exceptional memory and intelligence?
- A) Dog
- B) Dolphin
- C) Rat
- D) Cat
Answer: B) Dolphin
- Which type of mammal is most commonly kept as a pet?
- A) Rodent
- B) Reptile
- C) Bird
- D) Fish
Answer: A) Rodent
- Which mammal is considered a keystone species in its ecosystem?
- A) Sea otter
- B) House cat
- C) Feral pig
- D) Mouse
Answer: A) Sea otter
- Which of the following mammals is a known apex predator?
- A) Raccoon
- B) Elephant
- C) Great white shark
- D) Wolf
Answer: D) Wolf
- What is the primary diet of a koala?
- A) Bamboo
- B) Eucalyptus leaves
- C) Fruits
- D) Insects
Answer: B) Eucalyptus leaves
- What adaptation helps some mammals survive in cold climates?
- A) Smaller body size
- B) Thick fur and blubber
- C) Reduced metabolism
- D) Bright coloration
Answer: B) Thick fur and blubber