Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
Three pairs of legs and segmented body.
Chitinous cuticle and two pairs of antennae.
Jointed appendages and chitinous exoskeleton.
Cephalothorax and tracheae.
Correct Answer :
C. Jointed appendages and chitinous exoskeleton.
Silverfish, scorpion, dragonfly and prawn belong to phylum arthropoda. Their body is covered by chitinous exoskeleton and have jointed appendages.
Related Questions
The following statement are associated with the occurrence of notochord. Identify the incorrect statement.
It is present only in larval tail in ascidians.
It is replaced by a vertebral column in adult frog.
It is absent throughout the life in humans from the very beginning.
It is present throughout life in Amphioxus.
Which of the following feature is not correct regarding the figure given below?
It is an aquatic form.
Circulatory system is of open type.
It possesses parapodia for swimming.
Neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord.
Which of the following phylum is being described by the given statements?
(i) They are bilaterally symmetrical,triploblastic, segmented and coelomate animals.
(ii) The body consists of head, thorax, abdomen and have jointed appendages.
(iii) Circulatory system is of open type.
(iv) Excretion takes place through malphigian tubules.
Arthropoda
Annelida
Mollusca
Echinodermata
In amphibians, heart is ________ chambered.
two
three
four
none of these
Match the terms/feature given in column I with their examples given in column II and select the correct match from the option given below.
| Column-I | Column-II |
|---|---|
| (Term/Feature) | (Examples) |
| A. Gregarious pest | i. Hirudinaria |
| B. Vector | ii. Planaria |
| C. Oviparous with | iii. Sepia indirect development |
| D. Metameres | iv. Aedes |
| E. High regeneration | v. Locust capacity |
A - i, B - ii, C - iii, D - iv, E - v
A - iii, B - v, C - ii, D - iv, E - i
A - iii, B - i, C - v, D - ii, E - iv
A - v, B - iv, C - iii, D - i, E - ii
Which of the following is not the common fundamental feature for animal classification?
Germinal layers.
Pathway of water transport.
Pattern of organization of cells.
Serial repetition of the segments.
Which of the following feature in birds indicates their reptilian ancestory ?
Eggs with a calcareous shell
Scales on their hind limbs
Four-chambered heart
Two special chambers-crop and gizzard in their digestive tract
A common characteristic of all vertebrates without exception is
the division of body into head, neck, trunk and tail.
body covered with exoskeleton.
the possession of two pairs of functional appendages.
the presence of well- developed skull.
Which of the following is a chordate feature and not shared by the non-chordates ?
Metamerism
Axial organization
Bilateral symmetry
Pharyngeal gill slits
__________ is responsible for maintaining the current of water in sponge.
Osculum
Porocytes
Spongocoel
Choanocytes
In amphibians, respiration occurs through
gills
lungs
skin
all of these
Which of the following animal contains respiratory organs like, gills, book gills, book lungs or tracheal system?
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Identify the animals shown in the given figures A, B and C from options given below.
A - Octopus; B -Asterias, C- Ophiura
A - Asterias; B - Ophiura, C- Octopus
A - Echinus; B - Octopus C - Ophiura
A - Ophiura; B - Echinus, C- Octopus
A student was given a specimen to identify on the basis of the characteristics given below.
(i) They are metamerically segmented.
(ii) Presence of closed circulatory system.
(iii) They have circular and longitudinal muscles for locomotion. Identify the specimen.
Prawn
Pheretima
Wuchereria
Ctenoplana
Identify the figures A, B and C and choose the correct option.
A - Male Ascaris, B - Hirudinaria (leech), C- Nereis
A - Female Ascaris, B - Nereis, C-Hirudinaria (leech)
A - Female Ascaris B- Hirudinaria (leech), C - Nereis
A - Male Ascaris, B - Nereis, C- Hirudinaria (leech)
Which of the following statement(s) is/are correct regarding phylum aschelminthes?
(i) The body is circular in cross-section hence the name roundworms.
(ii) Alimentary canal is complete with a well-developed muscular pharynx.
(iii) Sexes are separate (dioecious), i.e., males and females are distinct.
(iv) Nephridia help in osmoregulation and excretion.
(i) and (ii)
(iii) and (iv)
(i), (ii) and (iii)
All of these
Which of the following phylum is being described by the given statements?
(i) These are primitive multicellular animals and have cellular level of organization.
(ii) Digestion is intracellular.
(iii) They have a water transport or canal system.
(iv) They reproduce asexually by fragmentation and sexually by formation of gametes.
Porifera
Ctenophora
Coelenterata
Platyhelminthes
In which of the phylum, excretory organ like proboscis gland is present?
Hemichordata
Chordata
Echinodermata
Annelida
Flame cells present in platyhelminthes, are specialized in
respiration and absorption.
osmoregulation and circulation.
respiration and excretion.
osmoregulation and excretion.
Which of the following character is absent in all chordates?
Diaphragm
Coelom
Pharyngeal gill clefts
Dorsal nerve cord
Identify the figure with its correct name and phylum.
Cucumaria – Echinodermata
Ascidia – Urochordata
Balanoglossus – Hemichordata
Hirudinaria – Annelida
Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
Three pairs of legs and segmented body.
Chitinous cuticle and two pairs of antennae.
Jointed appendages and chitinous exoskeleton.
Cephalothorax and tracheae.
In ctenophora, the body bears _______ external rows of ciliated comb plates, which help in locomotion.
five
six
seven
eight
Few cnidarians like corals have a skeleton composed of
calcium hydroxide
calcium sulphate
calcium carbonate
sodium bicarbonate
Animals like annelids, arthropods, etc. where the body can be divided into identical left and right halves in only one plane, exhibit___________symmetry.
radial
bilateral
asymmetrical
non- symmetrical
Which of the following animal's body is covered by calcareous shell and unsegmented with a distinct head, muscular foot, and visceral hump?
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Polyp phase is absent in
Hydra
Aurelia
Physalia
Obelia
Which of the following statements (i v) are incorrect?
(i) Parapodia are lateral appendages in arthropods used for swimming.
(ii) Radula in molluscs are structures involved in excretion.
(iii) Aschelminthes are dioecious.
(iv) Echinoderm adults show radial symmetry.
(v) Ctenophorans are diploblastic.
(i) and (ii)
(i) and (iii)
(i), (iv) and (v)
(iii) and (v)
Which of the following class is being described by the given statements (i - iv)?
(i) They are found in a variety of habitats- polar ice-caps, deserts, mountains, forests, grasslands and dark caves.
(ii) Most unique mammalian characteristic is the presence of mammary glands by which the young ones are nourished.
(iii) Heart is four-chambered.
(iv) Sexes are separate and fertilization is internal.
Reptilia
Aves
Mammalia
Amphibia
The given figures (A & B) shows the germinal layer. The animals having structures shown in the figures are respectively called
diploblastic, triploblastic
triploblastic, diploblastic
diploblastic, diploblastic
triploblastic, triploblastic