Reptilia

Subhylum - Vertebrata|Classification|Agnatha - Ostracodermi|Cyclostomata|Examples|Pisces - Chondrichthyes|Examples|Pisces - Osteichthyes|Examples|Amphibians|Examples|Reptilia|Examples|Aves|Examples|Mammals|Examples|Quiz

The class-Reptilia is further subdivided into three subclasses. Among the statements provided below, select the statements which are True (T) and False (F) about the classsification of the class-Reptilia. I. The order-Chelonal of subclass-Anapsida consists of organisms with movable pterygoids and absence of tympanum and a nictitating membrane. II. The order-Squamta of subclass-Diaspida has organisms with single-headed rilbs and the males have paired copulatory organs. III. The organism of subclass-Parapsida have become extinct. IV. Hemidactylus belongs to suborder-Ophidia. Choose the correct option.

Which of the following statements are correct regarding class-Reptilia of phylum-Chordata? I. Males possess copulatory organs (heipenis). They are double in snakes and lizards, and single in crocodiles and turtles. II. Fertilisatin is internal, methamorphosis is absent. III. Granial nerves 10 pairs. IV. Kidney mesonephric, urea is chief nitrogenous waste. Choose the correct option.

Fill in the blanks a. In birds, air sacs connected to 1_____supplement respiration b. The class name reptilia refers to their creepinig or 2_____mode of locomotion c. In Amphibians, the eyes, 3_____eyelids d. Cyclostomrs are 4____but migrate for spawning to 5_____water.