Chapter 4

Metagenesis is shown by (a) Hydra (b) Adamsia (c) Aurelia (d) Obelia

Which of the following is not true fish? (a) Exocoetus (b) Betta (c) Saw fish (d) Jelly fish

The umbrella shape and free swimming form of coelenterate reproduced by sexual reproduction is (a) Polyp (b) Medusa (c) Both (a) and (b) (d) None of these

Sessile, cylindrical form of coelenterate reproduced by asexual reproduction is (a) Polyp (b) Medusa (c) Both (a) and (b) (d) None of these

Polyp \(\rightarrow\) Asexually \(\rightarrow\) Medusa \(\rightarrow\) Sexually \(\rightarrow\) Polyp The above cycle is shown by (a) Physalia (b) Aurelia (c) Obelia (d) Hydra

Which of the following is known as Portuguese man-of-war? (a) gorgonia (b) aurelia (c) physalia (d) obelia

The phylum in which first time nerve net arises (a) Porifera (b) Coelenterate (c) Platyhelminthes (d) Protozoa

Gastro-vascular cavity with single opening is found in (a) Porifera (b) Coelenterate (c) Aschelminthes (d) Annelida

Coelenterates asexually reproduce by (a) Budding (b) Gametes (c) Conidia (d) Gemmules

The larva stage shown by coelenterate is called (a) Amphiblastula (b) Parenchymula (c) Planula (d) All of these

Match the following: Column I Column II A. Physalia 1\. Brain coral B. Adamsia \(-\) 2\. Sea fan C. Pennatula \(-\) 3\. Sea pen D. Gorgonia 4\. Sea anemone E. Meandrina - 5\. Portuguese man-of-war F. Aurelia \(-\quad\) 6. Jellyfish (a) \(\mathrm{A}-5, \mathrm{~B}-4, \mathrm{C}-2, \mathrm{D}-3, \mathrm{E}-1, \mathrm{~F}-6\) (b) \(\mathrm{A}-5, \mathrm{~B}-4, \mathrm{C}-3, \mathrm{D}-2, \mathrm{E}-1, \mathrm{~F}-6\) (c) \(\mathrm{A}-5, \mathrm{~B}-4, \mathrm{C}-2, \mathrm{D}-1, \mathrm{E}-2, \mathrm{~F}-6\) (d) \(\mathrm{A}-5, \mathrm{~B}-3, \mathrm{C}-4, \mathrm{D}-2, \mathrm{E}-1, \mathrm{~F}-6\)

Ctenophores are commonly known as (a) Sea walnut (b) Comb jellies (c) Both (a) and (b) (d) None of these

The following features belongs to which phylum? (1) Exclusively marine (2) Radial symmetry (3) Diploblastic (4) Tissue level organization (a) Coelentrata (b) Porifera (c) Ctenophora (d) Platyhelminthes

Body bears eight external rows of ciliated comb plates present in phylum (a) Coelentrata (b) Porifera (c) Ctenophora (d) Platyhelminthes

Ctenophores show (a) Extra and intracellular digestion (b) Sexual reproduction only (c) Bioluminescence (d) All of these

Example of ctenophores is (a) Pleurobrachia (b) Ctenoplana (c) Both (a) and (b) (d) None of these

The following features belong to which phylum? (1) Bilateral symmetry (2) Triploblastic, Acoelomate (3) Organ level of organization (4) Dorsoventrally flattened body (a) Platyhelminthes (b) Aschelminthes (c) Annelida (d) Arthropoda

Platyhelminthes are called flat worms because (a) They are triploblastic (b) They are without coelom (c) They have organ level of organization (d) Their body is dorsoventrally flattened

Which of the following are characters present in platyhelminthes? (1) Some absorb nutrients from the host directly through their body surface. (2) Digestive system is incomplete, branched and without anus. (3) Flame cells/solenocyte protonephridia help in the excretion and osmoregulation. (4) Hooks and suckers are present in parasitic form. (5) Hermaphrodites (6) Fertilization is internal. (7) Indirect development through many larva stages. (a) \(1,2,3,5,6\) (b) \(2,3,4,5,7\) (c) All except 1 (d) All

Which platyhelminthes posses high power of regeneration? (a) Planaria/Dugesia (b) Taenia (c) Fasciola (d) Liver fluke

Flame cells helps in excretion and osmoregulation in (a) Earthworm (b) Hookworm (c) Roundworm (d) Tapeworm

Internal fertilization is seen in (a) Pleurobrachia (b) Fasciola (c) Ctenoplana (d) All of these

Phylum whose organism are mostly endoparasites is (a) Platyhelminthes (b) Annelida (c) Arthropoda (d) Mollusca

Which of the following are pseudocoelomate? (a) Roundworm (b) Hookworm (c) Filarial worm (d) All of these

The body of the aschelminthes is circular in cross section. Hence, it is named as (a) Tapeworm (b) Earthworm (c) Hookworm (d) Roundworm

Roundworms/Nematodes are (a) Free living (b) Aquatic or terrestrial (c) Parasitic on animals and plants (d) All of these

Match the following: Column I Column II A. Ascaris 1\. Intestinal round worm B. Wuchereria 2\. Filarial worm C. Ancylostoma 3\. Hook worm D. Pheretima 4\. Earth worm (a) \(\mathrm{A}-2, \mathrm{~B}-4, \mathrm{C}-3, \mathrm{D}-1\) (b) \(\mathrm{A}-1, \mathrm{~B}-2, \mathrm{C}-3, \mathrm{D}-4\) (c) \(\mathrm{A}-4, \mathrm{~B}-3, \mathrm{C}-1, \mathrm{D}-2\) (d) \(\mathrm{A}-2, \mathrm{~B}-1, \mathrm{C}-4, \mathrm{D}-3\)

Which of the following is correct about ascaris? (a) Females are smaller than males (b) Posterior end of male curved dorsally (c) Females are longer than males (d) Fertilization is external

Select the total number of organism from the following which contains well- developed muscular pharynx with complete alimentary canal. \mathrm{\\{} T a e n i a , ~ F a s c i o l a , ~ P l a n a r i a , ~ A s c a r i s , ~ F i l a r i a l ~ w o r m , ~ H o o k w o r m ~ (a) 1 (b) 3 (c) \(\overline{4}\) (d) 2

Metamerism is found in (a) Ascaris (b) Leech (c) Loligo (d) Octopus

Nephridia helps in the excretion and osmoregulation in (a) Nereis (b) Pheretima (c) Hirudinaria (d) All of these

Closed circulatory system is present in (a) Nereis (b) Pheretima (c) Ascaris (d) Both (a) and (b)

Animals having cylindrical body having an organ system level of organization showing metamerism belongs to phylum (a) Arthropoda (b) Mollusca (c) Annelida (d) Platyhelminthes

Annelids may be (a) Aquatic (marine and fresh water), terrestrial (b) Free living (c) Parasite (d) All of the above

The neural system consists of paired ganglia connected by lateral nerve to a double ventral nerve cord present in (a) Fasciola (b) Ancylostoma (c) Nereis (d) Taenia

The first true coelomates are (a) Nereis (b) Centipede (c) \(\mathrm{Crab}\) (d) Wuchereria

Which of the following is correct about parapodia? (a) They are longitudinal muscles which help in locomotion. (b) They are circular muscles which help in locomotion. (c) It helps in swimming. (d) It is the dorsal appendages of nereis.

Which of the following is the largest phylum? (a) Mollusca (b) Echinodermata (c) Arthropoda (d) Annelida

In which of the following phylum the body is generally divided into head, thorax and abdomen? (a) Mollusca (b) Echinodermata (c) Arthropoda (d) Annelida

Which of the following phylum shows segmentation? (a) Annelida (b) Arthropoda (c) Both (a) and (b) (d) Platyhelminthes

The following features are seen in which of the below options? (1) Exoskeleton of chitin (2) Malpighian tubules as excretory organ (3) Tracheal system for respiration (4) Three pair of legs in thoracic region (a) Limulus (b) Prawn (c) Spider (d) Cockroach

Respiration occurs through organs like gills, book gills, book lungs or tracheal system found in phylum. (a) Mollusca (b) Annelida (c) Arthropoda (d) Echinodermata

Which of the following are sensory organs in phylum Arthropoda? (1) Simple or compound eye (2) Statocyst or balance organ (3) Malpighian tubules (4) Antennae (a) All except (4) (b) All except (1) (c) All except (3) (d) All except ( 2 )

Which of the following is correct about reproduction in Arthropods? (a) Usually dioecious, mostly oviparous (b) Internal fertilization (c) Some exhibit parthenogenesis (d) All of these

Ecdysis is seen in case of (a) Nereis (b) Pila (c) Sea urchin (d) Cockroach

Exoskeleton of Arthropods are chitinous and it sheds at interval for the growth and development process known as (a) Autotomy (b) Metamerism (c) Ecdysis (moulting) (d) Aestivation

The presence of joint appendages is the speciality of phylum (a) Mollusca (b) Echinodermata (c) Arthropoda (d) Annelidia

Bilaterally symmetrical, triploblastic, segmented, coelomate and covered by chitinous exoskeleton are features of (a) Anneldia (b) Vertebrata (c) Amphibia (d) Arthropoda

Which of the following is true for Arthropoda? (a) Development may be direct or indirect. (b) Open circulatory system. (c) Excretion takes place by green gland, coxal gland and Malpighian tubules. (d) All of these

Select from the following the total number of organism that belongs to phylum arthropoda. Locust, Butterfty, Scorpion, Prawn, Salpa, doliolums, Pila, Chiton, Antedon, Hyla, Myxine, Locust, Loligo, Culex, Cucumaria, Cuttle fish. (a) 4 (b) 6 (c) 8 (d) 12