Free Kingdom Animalia MCQs with Answers

• A. Plasmodium
• B. Anopheles
• C. Trypanosoma
• D. Insects

Explanation: African trypanosomiasis, also called sleeping sickness, is a disease caused by a parasite.

• A. Crustacea
• B. Myriapoda
• C. Insecta
• D. Arachnida

Explanation: Book lungs are a rudimentary type of lung typically found in arachnids, such as scorpions and spiders, and in horseshoe crabs.

• A. Homcothermic
• B. Poikilothermic
• C. Hair
• D. Four chambered heart

Explanation: Hair is a defining characteristic of mammals. Most mammals have hair or fur covering some or all of their bodies.

• A. Colon
• B. Small Intestine
• C. Liver
• D. Bile Duct

Explanation: Fasciola (Liver luke) : It is an endoparasite in sheep and occasionally in human beings.

• A. Plasmodium
• B. House Fly
• C. Anopheles
• D. Tsetse Fly

Explanation: Trypanosoma, the cause of sleeping sickness and skin diseases. The common house ly carries disease causing organisms to contaminate food…

• A. Coelom
• B. Endoderm
• C. Mesoderm
• D. Mesoglea

Explanation: The coelom is a body cavity found in many animals, including vertebrates.

• A. Cartilaginous fishe
• B. Reptiles
• C. Dipnoi
• D. Cyclostomata

Explanation: Dipnoi, also known as lungfishes, are a group of fish that can breathe air and are adapted to survive in oxygen-poor water.

• A. Reptiles
• B. Amphibian
• C. Birds
• D. Mammals

Explanation: In amphibians, the embryo is not surrounded by an amnion. The amnion is a membrane that forms a fluid-filled sac around the embryo in…

• A. Robin
• B. Kestrel
• C. Eagle
• D. Kingfisher

Explanation: In Kingfishers, both ovaries and oviducts are functional.

• A. Reptiles & mammals
• B. Reptiles & birds
• C. Birds & mammals
• D. Amphibian and fishes

Explanation: Archaeopteryx is considered a connecting link between reptiles and birds due to its combination of reptilian and avian features.

• A. Gonozooids
• B. Gastrozooids
• C. Astrozoids
• D. Medusazoids

Explanation: Gastrozooids are specialized feeding zooids in some coelenterates (such as certain colonial cnidarians like hydroids).

• A. Large variety of organism
• B. Malpighian tubules
• C. Chondrichthyes
• D. Mammals

Explanation: Arthropods exhibit an incredible diversity of organisms, including insects, arachnids, crustaceans, and more.

• A. Reptiles
• B. Amphibian
• C. Chondrichthyes
• D. Mammals

Explanation: Chromatophores are pigment cells present in amphibians like frogs, salamanders, and newts.

• A. Archaeopteryx
• B. Duckbill platypus
• C. Varanope
• D. Opossum

Explanation: Varanope is a mammal-like reptile fossil found in Texas. It belongs to a group known as varanopids, which were early synapsids, a lineage…

• A. Absorption of blood
• B. Attachment
• C. Ingestion of food
• D. Excretion of waste

Explanation: Suckers in various organisms, such as in insects or parasites like leeches, are specialized structures primarily designed for attachment.

• A. Arthropoda
• B. Echinodermata
• C. Porifera
• D. Chordata

Explanation: Animals of the phylum Arthropoda exhibit schizocoelous development, which involves the splitting of the mesoderm to form a coelom.

• A. Cyclostomes
• B. Chondrichthyes
• C. Osteichthyes
• D. Amphibians

Explanation: Osteichthyes, which include bony fish, do have a swim bladder. The swim bladder is a gas-filled sac that helps fish to control their…

• A. Viviparous
• B. Have placenta
• C. Right aortic arch
• D. Mammary glands

Explanation: Mammary glands are a characteristic of all mammals. These specialized glands produce milk, which is used to nourish and feed the young.

• A. Nematoda
• B. Coelenterata
• C. Porifera
• D. Echinodermata

Explanation: Phylum Porifera, which includes sponges, has no tissue level organization.

• A. Blood pressure is high and regular
• B. Amount of blood is limited
• C. Blood circulates through arteries, veins, and capillaries
• D. Blood pressure is low and irregular

Explanation: In an open circulatory system, blood pressure is generally low and irregular, as the blood is not confined to vessels and instead flows…