Embark on an exploratory journey through the biological intricacies of the Animal Kingdom with our NEET MCQ blog post, specifically designed for students aiming to excel in the NEET examinations.
The Animal Kingdom encompasses a diverse range of life forms, from simple sponges to complex mammals, each adapted to their environments in unique ways. This topic explores the structural and functional differences across various phyla, classes, and orders, including their reproductive strategies, physiological mechanisms, and evolutionary relationships. Understanding these distinctions is crucial for appreciating the complexity of life on Earth and succeeding in competitive exams like NEET.
By tackling these multiple-choice questions, you’ll deepen your knowledge of zoology, enhance your exam preparedness, and perhaps develop a greater appreciation for the biodiversity surrounding us. Whether you’re a NEET aspirant or simply passionate about biology, this quiz offers a valuable opportunity to test your understanding of the animal kingdom’s vast and varied inhabitants. Let’s dive into the wonders of animal life together!
1. Sponges belong to which phylum?
Answer:
Explanation:
Sponges are simple multicellular animals belonging to the phylum Porifera.
2. Which class of animals possesses a three-chambered heart?
Answer:
Explanation:
Amphibians have a three-chambered heart.
3. Which phylum is characterized by animals having a segmented body and jointed legs?
Answer:
Explanation:
Arthropods have segmented bodies and jointed appendages.
4. The presence of notochord is a characteristic feature of the phylum:
Answer:
Explanation:
The notochord is a defining feature of the phylum Chordata.
5. Which of the following is NOT an echinoderm?
Answer:
Explanation:
Sea anemone belongs to the phylum Cnidaria.
6. Which of the following is a characteristic feature of the class Mammalia?
Answer:
Explanation:
Mammals possess mammary glands for milk production.
7. In which group of animals is flame cell a unique excretory structure?
Answer:
Explanation:
Flame cells are specialized excretory structures found in flatworms (Platyhelminthes).
8. Radial symmetry is found in:
Answer:
Explanation:
Echinoderms, like starfish, exhibit radial symmetry.
9. Which of the following is a characteristic feature of annelids?
Answer:
Explanation:
Annelids, like earthworms, possess metameric segmentation or body segments.
10. Which of the following animals is cold-blooded (ectothermic)?
Answer:
Explanation:
Crocodiles are reptiles and are ectothermic or cold-blooded.
11. Which group of animals is characterized by having a bilaterally symmetrical body and a coelom?
Answer:
Explanation:
Annelids have a bilaterally symmetrical body and a true coelom.
12. Nematocysts are characteristic structures of which phylum?
Answer:
Explanation:
Nematocysts are stinging cells present in the cnidarians.
13. Which of the following animals respire through spiracles?
Answer:
Explanation:
Insects respire through tiny openings called spiracles.
14. Animals that lack a body cavity are termed as:
Answer:
Explanation:
Acoelomates are animals that do not have a body cavity, like flatworms.
15. Which of the following classes of animals is characterized by the presence of feathers?
Answer:
Explanation:
Birds (Aves) have feathers.
16. Which of the following is NOT a mollusk?
Answer:
Explanation:
Starfish belongs to the phylum Echinodermata.
17. Which of the following phyla is exclusively parasitic?
Answer:
Explanation:
Platyhelminthes, or flatworms, include many parasitic species.
18. The presence of a muscular foot, mantle, and radula are characteristic features of which group?
Answer:
Explanation:
Mollusks have a muscular foot, mantle, and often a rasping tongue called a radula.
19. Which group of animals possess book lungs for respiration?
Answer:
Explanation:
Arachnids, like spiders and scorpions, possess book lungs for respiration.
20. Pearl is produced by
Answer:
Explanation:
Pearls are formed by mollusks, mainly by the oyster species in the genus Pinctada. When a foreign substance, such as a grain of sand, enters the oyster, it secretes layers of nacre around the irritant. Over time, these layers accumulate and form a pearl.
21. Flatworms are
Answer:
Explanation:
Flatworms (Phylum Platyhelminthes) are triploblastic, meaning they have three germ layers: the ectoderm, mesoderm, and endoderm. They lack a true body cavity and are acoelomates.
22. Mushroom gland is seen in
Answer:
Explanation:
The mushroom gland, also known as the seminal vesicle, is present in male cockroaches. It is involved in the production and storage of spermatophores.
23. Syncytial epidermis occurs in
Answer:
Explanation:
In Ascaris, the epidermis is syncytial in nature, which means it is a multinucleated cell layer without intervening cell boundaries. This is an adaptation for protection against the host’s digestive enzymes.
24. An intermediate host is present in
Answer:
Explanation:
Wucheraria bancrofti, which causes filariasis in humans, has an intermediate host – the female mosquito (Culex, Anopheles, Aedes) where the larval stages develop before infecting the final human host.
25. Which of the following is free living?
Answer:
Explanation:
Planaria is a flatworm that is free-living and commonly found in freshwater habitats. The other options include parasites; Ascaris and Wucheraria are parasitic roundworms, and Hirudinaria (leech) is a parasitic or carnivorous annelid.
26. Blood of insects is
Answer:
Explanation:
Insects have a circulatory fluid called hemolymph, which is equivalent to blood in vertebrates. Unlike our blood, insect hemolymph is not used for carrying oxygen and is usually colourless or slightly yellowish.
27. What is common between earthworm and cockroach?
Answer:
Explanation:
Both earthworm and cockroach have a solid ventral nerve cord. Earthworms have nephridia for excretion, while cockroaches have Malpighian Tubules. Earthworms have a closed circulatory system, whereas cockroaches have an open circulatory system.
28. Eye of which molluscan group resembles vertebrate eye?
Answer:
Explanation:
The eyes of Cephalopoda, which includes squids and octopuses, are complex and resemble those of vertebrates in many respects. They possess a lens, iris, cornea, and retina, providing them with excellent vision and making them one of the most advanced invertebrates.
29. Silver fish is
Answer:
Explanation:
Silverfish (Lepisma saccharina) is an insect that belongs to the class Insecta within the phylum Arthropoda. It is a wingless, primitive insect that has a characteristic silvery appearance and is commonly found in households.
30. Study of shells of mollusca is known as
Answer:
Explanation:
Conchology is the study of mollusk shells. While malacology is the study of mollusks as a whole, encompassing both the soft-bodied animals and their shell, conchology is specifically focused on the shells alone.
31. Gill cover in fishes are also called as
Answer:
Explanation:
The operculum is a bony flap that covers and protects the gills of fishes. It acts as a protective shield for the delicate gills and also plays a role in the respiration process of the fish by helping to draw water over the gills.
32. Scientific name of our National Bird is
Answer:
Explanation:
The scientific name of our National Bird, the peacock, is “Pavo cristatus”.
33. Cockroach has
Answer:
Explanation:
Cockroaches have a segmented, tubular heart that runs the length of their body, comprising 13 chambers in total.