Which of the following assists in the locomotion of the organism stated ?
[A] Epithelium of Pheretima
[B] Trichocysts of Paramecium
[C] Pedicellaria of star fish
[D] Posterior sucker of Hirudinaria
Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?
Animals—– Morphological features
[A] Scorpion, spider, cockroach Ventral solid central nervous system
[B] Cockroach, locust, Taenia Metameric segmentation
[C] Liver fluke, sea anemone, Bilateral symmetry sea cucumber
[D] centipede, prawn, sea urchin Jointed appendages
Which one of the following phyla is correctly matched with its two general characteristics?
[A] Echinodermata – pentamerous radial symmetry and mostly internal fertilization
[B] Mollusca-normally oviparous and development through a trochophore or veliger larva
[C] Arthropoda-body divided into head, thorax and abdomen and respiration by tracheae
[D] Chordata-notochord at some stage and separate anal and urinary openings to the outside
What is true about Nereis, scorpion, cockroach and silver fish?
[A] They all possess dorsal heart
[B] None of them is aquatic
[C] They all belong to same phylum
[D] They all have jointed paired appendages
Metameric segmentation is the characteristic of
[A] Mollusca and Chordata
[B] Platyhelminthes and Arthropoda
[C] Echinodermata and Annelida
[D] Annelida and Arthropoda
Two common characters found in centipede, cockroach and crab are
[A] book lungs and antennae
[B] compound eyes and cerci
[C] jointed legs and chitinous exoskeleton
[D] green gland and tracheae
From the following statements select the wrong one.
[A] Prawn has two pairs of antennae
[B] Nematocysts are characteristic of the phylum Cnidaria
[C] Millipedes have two pairs of appendages in each segment of the body
[D] Animals belonging to phylum Porifera are fresh water and marine
In Arthropoda, head and thorax are often fused to form cephalothorax. but in which one of the following classes, is the body divided into head, thorax and abdomen?
[A] Insecta .
[D] Arachnida and Crustacea
Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits?
[A] Pheretima-Sexual dimorphism
[B] Musca – Complete metamorphosis
Given below are four matchings of an animal and its kind of respiratory organ
(A) Silver fish – Trachea
(B) Scorpion – Book lung
(C) Sea squirt – Pharyngeal gills
(D) Dolphin – Skin
The correct matchings are
[A] A and B
[B] A, B and C
[C] B and D
[D] C and D
Similarity in Ascaris lumbricoides and Anopheles stephensi is
[A] sexual dimorphism
[C] anaerobic respiration
Which one of the following is common in silverfish, scorpion, dragonfly and prawn?
[A] Three pairs of legs and segmented body
[B] Chitinous cuticle and two pairs of antennae
[C] Jointed appendages and chitinous exoskeleton
[D] Cephalothorax and tracheae
Which one of the following is common to leech, scorpion and cockroach?
[B] Ventral nerve cord
Book lungs are respiratory organs of
Which of the following is not an Arachnid ?
[B] Itch mite
Johnston’s organ is present in
[A] antenna of insect
[B] head of cockroach
[C] abdomen of housefly
[D] abdomen of spider
Characters like hard exoskeleton,cephalothorax, gills for respiration are present in which of the following
Bilateral symmetry, metameric segmentation, coelom and open circulatory system are the features of
Which is common between earthworm, leech and centipede?
[A] They have Malpighian tubules
[B] They are hermaphrodite
[C] They have ventral nerve cord
[D] None of the above
Malpighian tubules are
[A] excretory organs of insects
[B] excretory organs of frog
[C] respiratory organs of insects
[D] endocrine glands of insects