73 Questions
What characterizes the vertebral column and cranium of Cyclostomata?
They are cartilaginous
Which of the following is a characteristic of Tetrapoda?
Presence of limbs
Which of the following groups of Tetrapoda is most closely associated with water?
Amphibia
Which of the following is NOT a characteristic of Gnathostomata?
Presence of paired limbs
Which of the following groups of vertebrates is characterized by the absence of jaws?
Agnatha
Which of the following is NOT a characteristic feature of Class Mammalia?
Amphibious lifestyle
Which of the following mammals is Oviparous according to the text?
Platypus
Which of the following mammals is Viviparous according to the text?
Dog
Which of the following mammalian characteristics is unique to birds and reptiles but not present in mammals?
Laying of eggs
Which of the mammals mentioned can be classified as a Homoiothermous organism?
Camel
In terms of adaptation to habitats, which mammal is most likely to be found in Polar ice caps according to the text?
Blue Whale
What organ present in reptiles is directly involved in shedding their scales?
Oil gland
Which class of animals possesses fully ossified and pneumatic endoskeleton?
Birds
Which of the following is a characteristic feature of class Aves?
Possess scales in hind limbs
In reptiles, what mode of locomotion is commonly observed?
Creeping
Which of the following animals is an example of oviparous development with direct development?
Crocodile
What is the main method of respiration in class Aves?
Lungs
Which of the following phyla lacks body segmentation?
Porifera
Which of the following features is NOT present in the phylum Arthropoda?
Radial symmetry
Which of the following phyla has a water vascular system?
Echinodermata
Which of the following phyla has a radial symmetry in adults?
Echinodermata
Which of the following features is present in the phylum Mollusca?
External skeleton shell
Which of the following phyla has a worm-like body with proboscis, collar and trunk?
Hemichordata
Which group of animals lacks jaws?
Cyclostomata
What is a unique feature of the central nervous system in Chondrichthyes?
Ventral and solid
Which superclass among vertebrates bears fins?
Pisces
In which group of animals is the heart positioned ventrally?
Chondrichthyes
Which class is known to have a post-anal tail when present?
Amphibia
What distinguishes Phylum Chordata from Non-chordates?
Presence of a notochord
Which feature is common to all three subphyla of Phylum Chordata?
Persistence of the notochord throughout life
In Class Chondrichthyes, what characterizes the circulatory system?
Ventral heart
Which of the following is a distinguishing feature of Class Cyclostomata?
Presence of jaws
Which group is most closely associated with water among Tetrapoda?
Amphibians
What feature is unique to Subphylum Vertebrata?
Presence of a bony vertebral column
Which of the following phyla has a pseudocoelom?
Aschelminthes
Which level of organisation is characteristic of Cnidaria?
Tissue
Which of the following phyla shows radial symmetry in adults?
Echinodermata
Which of the following phyla lacks segmentation?
Cnidaria
Which of the following phyla has a complete digestive system?
Annelida
Which of the following phyla has a circulatory system?
Arthropoda
What is the term used to describe the type of segmentation in earthworm where the body is divided into segments with serial repetition of some organs?
Metameric segmentation
In which group of organisms is the notochord derived from the mesoderm?
Chordates
What is the characteristic of the digestive system in organisms like Aschelminthes to chordates?
Complete digestive system
What is the characteristic feature of the body organisation in Echinodermata?
Radial symmetry in adults and bilateral symmetry in larvae
Which germ layer is absent in Echinodermata?
None of the above
Which of the following is an example of an organism with a notochord-like structure?
Balanoglossus
What is the characteristic of the circulatory system in Hemichordata?
Open type
What is the characteristic of the digestive system in Echinodermata?
Complete with mouth on ventral and anus on dorsal side
Which of the following is a characteristic of segmentation in Hemichordata?
Segmentation is absent in the body
Which type of circulatory system involves blood pumped directly from the heart to bathe the cells and tissues?
Open circulatory system
In organisms like Aschelminthes, to chordates, what type of digestive system is observed?
Complete digestive system
What is the main characteristic of segmentation in organisms like earthworm?
Metameric segmentation
Which type of animals possess a notochord, according to the text?
Chordates
Based on the presence and absence of blood vessels, what type of circulatory system flows through definite vessels throughout?
Closed circulatory system
Which type of classification is based on the absence or presence of segments in the body?
Segmented and unsegmented
What is the characteristic of segmentation in organisms like earthworm?
Serial repetition of some organs
Which of the following is NOT a characteristic of coelom?
Present in non-chordates
Which of the following is an example of an organism with radial symmetry?
Not mentioned in the text
What is the characteristic of germ layer organisation in chordates?
Notochord is derived from the mesoderm
Which of the following is a characteristic of segmented organisms?
Serial repetition of some organs
Which of the following is an example of an organism with a complete digestive system?
Aschelminthes
What is the level of organisation characteristic of sponges?
Cellular level of organisation
Which type of symmetry is characteristic of adult Echinodermata?
Radial symmetry
What is the function of a coelom in animals?
Acts as a fluid-filled cavity
Which germ layer is responsible for forming the lining of the digestive system?
Endoderm
What is the characteristic of segmentation in animals?
Repetition of similar parts
Which level of organisation is characteristic of Coelenterates?
Tissue level of organisation
What is the level of organisation where several organs combine to form a system?
Organ system
What type of symmetry is found in starfish, where the body can be divided into two identical halves in any plane passing through the centre?
Radial symmetry
What type of organisation is found in organisms that do not have a coelom, such as flatworms?
Acoelomate
In triploblastic organisation, which three germ layers are present?
Ectoderm, Mesoderm, Endoderm
What is the term for the division of the body into identical parts, which are repeated along the length of the body?
Segmentation
What type of body cavity is present in organisms like annelids, which is lined externally by mesoderm?
Eucoelom
Test your knowledge on the characteristics of reptiles and amphibians such as shedding scales, mode of locomotion, reproduction methods, and examples of different species. Learn about their unique features and diversity.
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