11. Which of the following amphibian species are endemic to India and are listed as critically endangered on IUCN List?
- Indirana phrynoderma
- Fejervarya murthii
- Indirana gundia
- Micrixalus kottigeharensis
Select the correct answer using the codes given below:
[A] Only 1, 2 & 3
[B] Only 2, 3 & 4
[C] Only 1, 2 & 4
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: D [1, 2, 3 & 4]
Notes:- Endemic amphibian species that are critically endangered like Indirana phrynoderma(Kerala Indian frog), Fejervarya murthii (Ghats wart frog), Indirana gundia (Gundia frog), Micrixalus kottigeharensis (Kottigehar dancing frog).
12. What does the word amphibian means?
[A] One lives
[B] Two lives
[C] Three lives
[D] Four lives
Show Answer
Correct Answer: B [Two lives]
Notes:
The word amphibian means two-lives. Amphibians spend their lives in the water and on land. All amphibians begin their life in water with gills and tails; as they grow, they develop lungs and legs for their life on land. Members of this animal class are frogs, toads, etc. They are characterized by external fertilization that takes place in water.
13. Which of the following pair is incorrect?
I. Crocodile- Reptile
II. Frog- Amphibian
III. Tiger- Reptile
[A] I and II
[B] I and III
[C] Only III
[D] Only II
Show Answer
Correct Answer: C [Only III]
Notes:
Crocodiles are large aquatic reptiles, while frogs are short-bodied, tailless amphibians that inhabit terrestrial, fossorial, arboreal or freshwater aquatic ecosystems. Tiger, the largest cat species, is a mammal.
14. Which of the following amphibians lacks tongue?
[A] Necturus
[B] Sphenodon
[C] Salamander
[D] Ichthyophis
Show Answer
Correct Answer: D [Ichthyophis]
Notes:
Ichthyophis lacks tongue. It is sometimes called the Asian caecilians. It is limbless amphibian. In Sri Lanka, three species occur. All are found in almost all habitats, but are known to prefer moist ones.
15. Bryophytes are often called as amphibian plant because they ____:
[A] Can eat insects
[B] Do not have habitat preference
[C] Appear like frog
[D] Are found both in water and on land
Show Answer
Correct Answer: D [Are found both in water and on land]
Notes:
Bryophytes are simple low growing plants, anchored to the ground or to tree bark by tiny filamentous rhizoids. They need presence of water for fertilization. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consist of about 20,000 plant species.
16. Which of the following is not an example of an amphibian?
[A] Sea horse
[B] Alligator
[C] Frog
[D] Toad
Show Answer
Correct Answer: A [Sea horse]
Notes:
Seahorse is the name given to 54 species of small marine fishes in the genus Hippocampus. It comes under Animalia kingdom; Chordata phylum; Actinopterygii class. Having a head and neck suggestive of a horse, seahorses also feature segmented bony armour, an upright posture and a curled prehensile tail.
17. ____ is the branch of zoology concerned with the study of amphibians:
[A] Herpetology
[B] Ethology
[C] Mammology
[D] Morphology
Show Answer
Correct Answer: A [Herpetology]
Notes:
Herpetology is the branch of zoology concerned with the study of amphibians (including frogs, toads, salamanders, newts, and caecilians (gymnophiona)) and reptiles (including snakes, lizards, amphisbaena, turtles, terrapins, tortoises, crocodilians, and the tuataras). It is the study of ectothermic (coldblooded) tetrapods.
18. Which of the following is a limbless amphibian?
[A] Salamander
[B] Ichthyophis
[C] Amphioxus
[D] Balanoglossus
Show Answer
Correct Answer: B [Ichthyophis]
Notes:
Ichthyophis is a limbless amphibian. They are commonly known as caecilians. Their eyes may be covered by skin or even bone.
19. Amphibians are represented by how many subclasses?
[A] Two
[B] Three
[C] Four
[D] Seven
Show Answer
Correct Answer: B [Three]
Notes:
Amphibians are represented by three subclasses – Labrinthodontia, Lepospondyli, and Lissamphibia.
20. Which of the following is / are correct features of amphibians?
[A] unable to regulate body temperature
[B] able to regulate body temperature
[C] heart is three chambered.
[D] All of the above
Show Answer
Correct Answer: A [unable to regulate body temperature]
Notes:
Amphibians are unable to regulate body temperature, skin types limit distribution to warm, moist climates, and fertilization may be internal or external.
