Diagram Type Questions

Question. Refer the figures A, B, C and D given below. Which of the following options shows the correct name of the animals shown by the figures A, B, C and D ?

(a) A – Locust, B – Scorpion, C – Prawn, D – Pila
(b) A – Locust, B – Prawn, C – Scorpion, D – Pila
(c) A – Locust, B – Scorpion, C – Prawn, D – Snail
(d) A – Butterfly, B – Scorpion, C – Prawn, D – Pila

Question. Examine the figures A, B and C. In which one of the four options all the items A, B and C are correctly identified ?

A	B	C
(a) Sycon	Euspongia	Spongilla
(b) Euspongia	Spongilla	Sycon
(c) Spongilla	Sycon	Euspongia
(d) Euspongia	Sycon	Spongilla

Question. Identify the figure with its correct name and phylum.

(a) Sycon – Porifera
(b) Aurelia – Coelenterata
(c) Pleurobrachia – Ctenophora
(d) Tapeworm – Platyhelminthes

Question. Identify the animals shown in the given figures A, B and C from options given below.

(a) A – Octopus; B -Asterias, C- Ophiura
(b) A – Asterias; B – Ophiura, C- Octopus
(c) A – Echinus; B – Octopus C – Ophiura
(d) A – Ophiura; B – Echinus, C- Octopus

Question. The given figure shows some characteristic features marked as chordates. Identify the correct labelling A,B,C and D.

(a) A-Notochord; B-Post-anal part; C-Gill slits; D-Nerve cord
(b) A-Nerve cord; B-Notochord; C-Post-anal part; D-Gill slits
(c) A-Notochord; B-Nerve cord; C-Gill slits; D-Post-anal part
(d) A-Gill slits; B-Post-anal part; C-Nerve cord; DNotochord

Question. The given figures A, B, C and D are the examples of first true land vertebrates. They are dominant in mesozoic era and belong to phylum ‘X’. Identify ‘X’ and the animals which have four chambered heart.

(a) X – Reptile; B
(b) X – Reptile; A
(c) X – Amphibia, C
(d) X – Pisces; D

Question. The figure given below shows the germinal layers marked as A, B, C and D. Identify the label showing undifferentiated layer and its location?

(a) A, Between B & C
(b) B, Between A & C
(c) C, Between C & D
(d) D, Between A & B

Question. Which of the following feature is not correct regarding the figure given below?

(a) It is an aquatic form.
(b) Circulatory system is of open type.
(c) It possesses parapodia for swimming.
(d) Neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord.

Question. Which of the following animal contains respiratory organs like, gills, book gills, book lungs or tracheal system?

Question. Which of the following animals are bilaterally symmetrical?

(a) 1 & 2
(b) 2 & 4
(c) 3 & 4
(d) 1 & 3

Critical Thinking Type Questions

Question. Which of the following group of animals belongs to the same phylum?
(a) Earthworm, pinworm, tapeworm
(b) Prawn, scorpion, Locusta
(c) Sponge, Sea anemone, starfish
(d) Malarial parasite, Amoeba, mosquito

Question. The combination of a true coelom and repeating body segmentation allows the annelids (unlike the anatomically “simpler” worms) to do which of the following?
(a) Attain complex body shapes and thus locomote more precisely.
(b) Move through loose marine sediments.
(c) Be hermaphroditic.
(d) Inject paralytic poisons into their prey.

Question. Which of the following features distinguish mammals from other vertebrates ?
(a) Hairy skin and oviparity
(b) Hairy skin and mammary glands
(c) Mammary glands and teeth
(d) Pinna and teeth

Question. Which one of the following features 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.

Question. Hemichordates have now been placed with the nonchordates, close to echinoderms, because true
(a) notochord is absent.
(b) pharyngeal gill-slits are lacking.
(c) dorsal nerve cord is absent.
(d) heart is lacking.

Question. Which of the following characteristic distinguish arthropoda from annelids and molluscs ?
(a) An external skeleton made of chitin (a polysaccharide) and protein rather than a shell made chiefly of mineral salts.
(b) Subdivision of the legs into movable segments.
(c) Distinct group of muscles, derived from many body segments, that move the separate parts of the
exoskeleton.
(d) All of the above

Question. A common characteristic of all vertebrates without exception is
(a) the division of body into head, neck, trunk and tail.
(b) body covered with exoskeleton.
(c) the possession of two pairs of functional appendages.
(d) the presence of well- developed skull.

Question. Which of the following statements is without exception in sponges ?
(a) They all have calcareous spicules.
(b) They have high regenerative power.
(c) They are found only in marine water.
(d) They are all radially symmetrical.

Question. Which of the following features in birds indicates their reptilian ancestory ?
(a) Eggs with a calcareous shell
(b) Scales on their hind limbs
(c) Four-chambered heart
(d) Two special chambers-crop and gizzard in their digestive tract

Question. Which of the following is a connecting link between invertebrates and non-invertebrates?
(a) Sphenodon
(b) Balanoglossus
(c) Tadpole larva
(d) Crocodile

Question. Identify the correct characteristics of porifera.
(i) Commonly known as sea walnuts.
(ii) Presence of ostia and collar cells.
(iii) Exhibit tissue level of characteristics.
(iv) It is the largest phylum of animal kingdom.
(v) The body is supported by spicules and sponging fibers.
(vi) Contains cnidocytes which is used for defense, anchorage and capturing of prey.
(a) (ii), (v) only
(b) (i), (ii), (vi) only
(c) (i), (ii), (iii), (iv) only
(d) All of these.

Question. Refer the following animals and identify those which have a fluid filled body cavity with a complete lining derived from mesoderm.
(i) Sycon (ii) Butterfly
(iii) Nereis (iv) Sea fan
(v) Scorpion (vi) Pila
(a) (i) and (iii) only
(b) (ii) and (iv) only
(c) (ii), (iii), (v) and (vi) only
(d) All of these

Question. Select the incorrect feature of mollusca from the given statements.
(i) Terrestrial or aquatic animals having cellular system level of organization.
(ii) Radial symmetrical and acoelomate animals and possesses two germinal layers.
(iii) A file like rasping organ called radula is present.
(iv) Usually dioecious and viviparous animals.
(v) Examples include Pila, Octopus, and Dentalium.
(a) (i) and (ii) only
(b) (ii) and (iv) only
(c) (i), (ii) and (iv) only
(d) All the five statements.