Biology - Single MCQs (Page 140)

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Q1391. The cells absent in gastrodermis of Hydra are ?...Q1392. The radially symmetrical cnidarians have a ______ body in two distinct layers ?...Q1393. Which one of the following statements about certain given animals is correct?...Q1394. Who wrote the book ‘Systema Naturae’?...Q1395. Phylum that doesn't have a true coelom is ?...Q1396. The clam nervous system is composed of ?...Q1397. Polymorphism occurs in animals of the class ?...Q1398. A common feature of tracheae of Cockroach and mammal is that both have ?...Q1399. Which of the following possesses post anal tail?...Q1400. A true coelom is lined on all sides by ?...