Chapter 4

Select the living fossil from the following: (a) Culex (b) Silkworm (c) Lac insect (d) Limulus

Following mosquitoes used as vector for various diseases: (a) Culex (b) Anopheles (c) Aedes (d) All of these

Other name of limulus is (a) Laccifer (b) Locust (c) King crab (d) Gregarious pest

Which of the following is a gregarious pest? (a) Laccifer (b) Locusta (c) King crab (d) Both (a) and (b)

Match the following: Column I Column II A. Locusta - 1\. Apis B. Honey bee 2\. Locust C. Silkworm 3\. Bombyx D. Lac insect 4\. Laccifer (a) \(\mathrm{A}-4, \mathrm{~B}-1, \mathrm{C}-3, \mathrm{D}-4\) (b) \(\mathrm{A}-2, \mathrm{~B}-1, \mathrm{C}-4, \mathrm{D}-3\) (c) \(\mathrm{A}-2, \mathrm{~B}-1, \mathrm{C}-3, \mathrm{D}-4\) (d) \(\mathrm{A}-4, \mathrm{~B}-3, \mathrm{C}-1, \mathrm{D}-4\)

Which of the following belongs to arthropods? (a) Peripatus and crab (b) Prawn and scorpion (c) Centipede and cockroach (d) All of these

Animals with soft body, bilateral symmetry, triploblastic and unsegmented, usually protected by a shell made up of calcium carbonate belongs to phylum (a) Porifera (b) Echinodermata (c) Mollusca (d) Arthropoda

The mouth which has file-like rasping organ for feeding called radula is found in (a) Mollusca (b) Hemichordata (c) Echinodermata (d) Arthropoda

The body of \(\quad\) is unsegmented with a distinct head, muscular foot and visceral mass (a) Asterias (b) Ophiura (c) Balanoglossus (d) Devil fish

A. A soft and spongy layer of skin forms a _ (i)_over the visceral hump. B. A _(ii)_cavity containing_(iii)_ like gills. C. The anterior head region has sensory (iv)_. Fill in the blanks in the above respective places about mollusca. (a) Mantle, Mantle, Comb, Papilla (b) Mantle, Mesoglea, Feather, Papilla (c) Mantle, Mantle, Feather, Tentacles (d) Mantle, Mantle, Comb, Tentacles

Which of the following is true about reproduction in mollusca? (1) Mostly dioecious (2) Oviparous (3) Mainly indirect development (4) Fertilization is external or internal (a) All except (4) (b) All except (3) (c) All except (2) (d) All of these

Which of the following is not a fish? (a) Devil fish (b) Cuttle fish (c) Jelly fish (d) All of these

Match the following: Column I Column II A. Pila - 1\. Tusk shell B. Chiton 2\. Apple snail C. Dentalium 3\. Cuttle fish D. Sepia 4\. Chaetopleura (a) \(\mathrm{A}-2, \mathrm{~B}-1, \mathrm{C}-4, \mathrm{D}-3\) (b) \(\mathrm{A}-2, \mathrm{~B}-4, \mathrm{C}-1, \mathrm{D}-3\) (c) \(\mathrm{A}-4, \mathrm{~B}-2, \mathrm{C}-3, \mathrm{D}-1\) (d) \(\mathrm{A}-4, \mathrm{~B}-3, \mathrm{C}-2, \mathrm{D}-1\)

Devil fish is called (a) Pearl oyster (b) Tusk shell (c) Sepia (d) Octopus

Majority of mollusca are (a) Aquatic (b) Terrestrial (c) Aerial (d) Any of the above

Select the total number of organism from the following which are mollusca: Pila, Pinctada, Sepia, Loligo, Aplysia, Echinus, Antedon, Salpa, Bufo, Chelone, Neophron, Pteropus, Elephas, Pavo (a) 7 (b) 6 (c) 5 (d) 9

Mantle cavity is a site of (a) Excretion (b) Respiration (c) Both (a) and (b) (d) None of these

Shell in molluscs is (a) External (b) Internal (c) Any of the above (d) Shell is absent

Unsegmented, triploblastic, eucoelomate is (a) Pheretima (b) Laccifer (c) Pila (d) All of these

Select the incorrect matching: \(\begin{array}{lll}\text { (a) Aurelia } & \- & \text { Jelly fish }\end{array}\) (b) Sepia Cuttle fish (c) Octopus Devil fish (d) Loligo Fighting fish

Pinctada is a (a) Sea hare (b) Cuttle fish (c) Pearl oyster (d) Apple snail

Animals having calcareous endoskeleton with organ-system level of organization, completely marine are (a) Arthropoda (b) Mollusca (c) Hemichordates (d) Echinodermates

In which phylum, the larva is bilaterally symmetrical and the adult have radial symmetry? (a) Arthropoda (b) Mollusca (c) Hemichordata (d) Echinodermata

The most distinctive feature of echinoderm is (a) Gastro vascular cavity (b) Choanoctyes (c) Water vascular system/ambulacral system (d) Canal system

Water vascular system helps in (a) Locomotion (b) Capture and transport of food (c) Respiration (d) All of these

Which of the following is true about reproduction in echinoderms? (a) Unisexuality (b) Usually external fertilization (c) Indirect development through free swimming larva (d) All of the above

Select the correct matching: (a) Asterias Sea urchin (b) Pila \(\quad-\quad\) Pearl oyster (c) Ophiura Brittle star (d) Loligo Cuttle fish

Select the incorrect matching: (a) Asterias Star fish (b) Echinus Sea urchin \(\begin{array}{ll}\text { (c) Antedon } & \- & \text { Sea lily }\end{array}\) (d) Cucumaria Sea fan

Sea urchin belongs to the class phylum (a) Echinodermata (b) Hemichordata (c) Ctenophora (d) Mollusca

Another name of cucummaria is (a) Sea urchin (b) Sea mouse (c) Sea pen (d) Sea cucumber

Which phylum shows regeneration in the lost part? (a) Mollusca (b) Annelida (c) Arthropoda (d) Echinodermata

Which phylum has the following features? (1) Digestive track is complete, straight or \(\mathrm{U}\) shape. (2) Worm like, unsegmented marine animal. (3) Respiration is done by gills. (4) Excretion by single proboscis gland. (5) Circulatory system is naturally open. (a) Arthropoda (b) Mollusca (c) Hemichordata (d) Urochordata

Which is a phylum? (a) Hemichordata (b) Urochordata (c) Cephalochordata (d) All of these

Larva of hemichordate is (a) Amphiblastula (b) Torneria (c) Ammocoete (d) Planula

Which of the following is correct about reproduction in hemichordata? (a) Internal fertilization (b) Usually direct development (c) Sexes are separate (d) Monoecious organism

The body which is cylindrical and composed of anterior proboscis and a collar and a long trunk is found in (a) Ascidia (b) Salpa (c) Doliolum (d) Saccoglossus

The excretory organ of proboscis gland is present in (a) Ascidia (b) Salpa (c) Doliolum (d) Saccoglossus

The fundamental character of chordate is (a) Notochord (b) Dorsal hollow nerve cord (c) Paired pharyngeal gill slits (d) All of these

Which is not a distinctive character of non-chordata? (a) Notochordal is absent (b) Ventral and double nerve cord (c) Heart is ventral (d) Post-anal tail is absent

Which of the following are the features of chordates? (1) Notrchord is present. (2) CNS is dorsal, hollow and single. (3) Pharynx is perforated by gill slits. (4) Heart is ventral. (5) A post-anal is present (a) All except (4) (b) All except (2) (c) All of these (d) All except (5)

Animal belonging to phylum chordata shows (a) Bilateral symmetry, triploblastic and the coelom (b) Organ system level of organization (c) Closed circulatory system (d) All of these

Urochordata and cephalochordate are referred as (a) Non-chordates (b) Vertebrates (c) Protochordates (d) All of these

In which subphyla, the notochord is present in tail of larva only? (a) Hemichordata (b) Urochordata (c) Cephalochordata (d) All of these

Notochord is extended from head to tail region and is persistent throughout their life in (a) Hemichordata (b) Urochordata (c) Cephalochordata (d) All of these

How many of the following belongs to the subphylum cephalochordate? Ascidia, Salpa, Doliolum, Branchiostoma (a) 1 (b) 2 (c) 3 (d) 4

The other name of Branchiostoma is (a) Amphioxus (b) Lancelet (c) Both (a) and (b) (d) None of these

Select the incorrect statement from the following: (a) In vertebrates, the notochord is replaced by cartilaginous or bony vertebral column. (b) In cephalochordates, the notochord is extended from head to tail region and is persistent throughout life. (c) Protochordates are exclusively marine. (d) Notochord is present in tail of adult in urochordata.

Vertebrates have (a) Ventral muscular heart with 3,2 or 4 chamber. (b) Kidneys for excretion and osmoregulation. (c) Paired appendages which may be fins or limbs. (d) All of these

Which of the following is exoskeleton in vertebrates? (a) Scales (b) Feathers (c) Hair (d) Any of the above

All living members of which class is ectoparasite on fishes? (a) Turbellaria (b) Chondrichthyes (c) Cephalopoda (d) Cyclostomata