Evolution and classification of mammals MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 12, 2024

  1. Which subclass of mammals includes monotremes?
    • A) Prototheria
    • B) Theria
    • C) Eutheria
    • D) Metatheria
      Answer: A) Prototheria

  1. What characteristic defines marsupials?
    • A) They give birth to underdeveloped young that continue to develop in a pouch
    • B) They lay eggs
    • C) They have a placenta
    • D) They have specialized teeth for different diets
      Answer: A) They give birth to underdeveloped young that continue to develop in a pouch

  1. Which of the following is a key characteristic of placental mammals?
    • A) They have a placenta that provides nutrients to the developing fetus
    • B) They have a pouch for carrying young
    • C) They lay eggs
    • D) They lack hair or fur
      Answer: A) They have a placenta that provides nutrients to the developing fetus

  1. In which era did the first mammals appear?
    • A) Mesozoic
    • B) Paleozoic
    • C) Cenozoic
    • D) Precambrian
      Answer: A) Mesozoic

  1. Which group of mammals includes whales and dolphins?
    • A) Cetartiodactyla
    • B) Carnivora
    • C) Primates
    • D) Chiroptera
      Answer: A) Cetartiodactyla

  1. Which order of mammals is known for their specialized teeth and includes animals like lions and bears?
    • A) Carnivora
    • B) Rodentia
    • C) Chiroptera
    • D) Perissodactyla
      Answer: A) Carnivora

  1. What is a distinguishing feature of the order Rodentia?
    • A) Continuously growing incisors
    • B) Presence of a pouch
    • C) Egg-laying
    • D) Placental development
      Answer: A) Continuously growing incisors

  1. Which order of mammals includes bats?
    • A) Chiroptera
    • B) Insectivora
    • C) Lagomorpha
    • D) Proboscidea
      Answer: A) Chiroptera

  1. Which group of mammals is characterized by a trunk-like appendage?
    • A) Proboscidea
    • B) Sirenia
    • C) Perissodactyla
    • D) Artiodactyla
      Answer: A) Proboscidea

  1. The evolution of which group marks the transition from early mammal-like reptiles to true mammals?
    • A) Synapsids
    • B) Diapsids
    • C) Therapsids
    • D) Lepidosaurs
      Answer: C) Therapsids

  1. Which subclass of mammals includes the placental mammals?
    • A) Eutheria
    • B) Prototheria
    • C) Metatheria
    • D) Monotremata
      Answer: A) Eutheria

  1. Which mammal is considered a living fossil due to its ancient lineage?
    • A) Platypus
    • B) Elephant
    • C) Lion
    • D) Bat
      Answer: A) Platypus

  1. What type of reproduction is most common among mammals?
    • A) Viviparous
    • B) Oviparous
    • C) Ovoviviparous
    • D) Parthenogenesis
      Answer: A) Viviparous

  1. Which class of mammals includes animals with a highly developed brain and opposable thumbs?
    • A) Primates
    • B) Carnivores
    • C) Rodents
    • D) Ungulates
      Answer: A) Primates

  1. Which family within the order Carnivora includes domestic cats?
    • A) Felidae
    • B) Canidae
    • C) Ursidae
    • D) Mustelidae
      Answer: A) Felidae

  1. What adaptation is common among mammals of the order Perissodactyla?
    • A) Hooves with an odd number of toes
    • B) Sharp claws and carnivorous diet
    • C) Large ears for echolocation
    • D) Webbed feet for swimming
      Answer: A) Hooves with an odd number of toes

  1. Which order includes mammals known for their ability to glide through the air?
    • A) Dermoptera
    • B) Chiroptera
    • C) Insectivora
    • D) Lagomorpha
      Answer: A) Dermoptera

  1. Which group of mammals is known for their aquatic adaptations, including a streamlined body and flippers?
    • A) Sirenia
    • B) Proboscidea
    • C) Rodentia
    • D) Carnivora
      Answer: A) Sirenia

  1. What is a key feature of the order Lagomorpha?
    • A) Presence of continuously growing incisors
    • B) Ability to fly
    • C) Aquatic adaptations
    • D) Presence of a prehensile tail
      Answer: A) Presence of continuously growing incisors

  1. Which mammalian group is characterized by the presence of a ruminating stomach?
    • A) Artiodactyla
    • B) Perissodactyla
    • C) Carnivora
    • D) Proboscidea
      Answer: A) Artiodactyla

  1. What is the primary characteristic of mammals in the order Proboscidea?
    • A) Presence of a trunk
    • B) Large ears
    • C) Ability to fly
    • D) Aquatic lifestyle
      Answer: A) Presence of a trunk

  1. Which mammalian order includes animals such as armadillos and anteaters?
    • A) Xenarthra
    • B) Chiroptera
    • C) Insectivora
    • D) Lagomorpha
      Answer: A) Xenarthra

  1. Which subclass of mammals includes the marsupials?
    • A) Metatheria
    • B) Eutheria
    • C) Prototheria
    • D) Therapsida
      Answer: A) Metatheria

  1. Which mammalian order includes whales and dolphins?
    • A) Cetartiodactyla
    • B) Carnivora
    • C) Rodentia
    • D) Chiroptera
      Answer: A) Cetartiodactyla

  1. What feature is unique to the order Chiroptera?
    • A) Wings adapted for flight
    • B) Trunk-like appendages
    • C) Aquatic adaptations
    • D) Large claws for digging
      Answer: A) Wings adapted for flight

  1. Which group of mammals includes the elephants?
    • A) Proboscidea
    • B) Sirenia
    • C) Carnivora
    • D) Perissodactyla
      Answer: A) Proboscidea

  1. Which mammalian order is characterized by animals that have adapted to a variety of environments, including deserts and forests?
    • A) Rodentia
    • B) Carnivora
    • C) Chiroptera
    • D) Lagomorpha
      Answer: A) Rodentia

  1. Which order includes the only mammalian species capable of true flight?
    • A) Chiroptera
    • B) Dermoptera
    • C) Insectivora
    • D) Primates
      Answer: A) Chiroptera

  1. What adaptation is typical of mammals in the order Sirenia?
    • A) Aquatic lifestyle with flippers
    • B) Large, sharp claws
    • C) Ability to glide
    • D) Presence of a trunk
      Answer: A) Aquatic lifestyle with flippers

  1. Which mammalian order includes animals such as the armadillo and the sloth?
    • A) Xenarthra
    • B) Proboscidea
    • C) Carnivora
    • D) Chiroptera
      Answer: A) Xenarthra

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