Related Questions
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4
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
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4
A file like rasping organ for feeding, called radula, present in the phylum __________.
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4
Which of the following possesses electric organs and belongs to class chondrichthyes?
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4
Which of the following is a poisonous snake?
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4
Which of the following character is absent in all chordates?
C. Pharyngeal gill clefts
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4
Which of the following possesses poison sting and belongs to class chondrichthyes?
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4
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.
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4
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
C. (ii), (iii), (v) and (vi) only
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4
Which of the following pairs of animals comprises jawless fishes?
B. Lampreys and hag fishes
C. Guppies and hag fishes
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4
The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage. Which of the following is not one of those adaptations ?
A. Switch from gill respiration to air-breathing lungs.
B. Improvements in water resistance of skin.
C. Alteration in mode of locomotion.
D. Development of feathers for insulation.
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4
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.
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4
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
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4
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; D-Notochord
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4
Which of the following pairs of animals are similar to each other pertaining to the feature stated against them?
A. Pteropus and Ornithorhyncus - Viviparity
B. Garden lizard and crocodile - Three chambered heart
C. Ascaris and Ancylostoma - Metameric segmentation
D. Sea horse and flying fish - Cold blooded (poikilothermal)
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4
The organisms attached to the substratum generally possess
A. one single opening to the digestive canal.
B. cilia on the surface to create water current.
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4
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.
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4
Match the phylum given in column - I with the special features present in them given in column - II and choose the correct option.
Column -I | Column- II | (Phylum) | (Special features present) |
A. Porifera | I. Mammary glands |
B. Mollusca | II. Cloaca |
C. Ctenophora | III. Choanocytes |
D. Amphibia | IV. Radula |
E. Mammalia | V. Comb plates |
A. A III; B IV; C V; D II; E I
B. A IV; B III; C V; D II; E I
C. A III; B IV; C II; D V; E I
D. A III; B V; C IV; D II; E I
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4
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.
D. Inject paralytic poisons into their prey.
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4
Column-I contains organisms and column-II contains their exeretory structures. Choose the correct match form the options given below.
Column- I | Column -II | (Organism) | (Excretory structures) |
A. Cockroach | I. Nephridia |
B. Cat fish | II. Malpighian tubules |
C. Earthworm | III. Kidneys |
D. Balanoglossus | IV. Flame cells |
E. Flatworm | V. Proboscis gland |
A. A I; B III; C II; D IV; E V
B. A III; B I; C II; D V; E IV
C. A II; B I; C III; D V; E IV
D. A II; B III; C I; D V; E IV
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4
When any plane passing through the central axis of the body divides the organism into two identical halves, the organism is called ___________.
B. bilaterally symmetrical
D. metamerically segmented
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4
Which of the following belong to phylum arthropoda?
B. Laccifer and Anopheles
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4
Which of the following is a chordate feature and not shared by the non-chordates ?
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4
Identify the figures and select the correct option
A. A - Pseudocoelomate; B - Coelomate, C-Acoelomate
B. A - Coelomate, B - Pseudocoelomate, C- Acoelomate
C. A - Coelomate; B- Acoelomate; C - Pseudocoelomate
D. A - Coelomate; B- Acoelomate; C-Eucoelomate
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4
Which of the follwoing statement(s) is/are correct?
(i) Organ systems in different group of animals show various patterns of complexities.
(ii) The digestive system in platyhelminthes has only a single opening to the outside of the body that serve as both mouth and anus, and is hence called complete.
(iii) In open type of circulatory system, the blood is pumped out of the heart and the cells and tissues are directly bathed in it.
(iv) In closed type, the blood is circulated through a series of vessels of varying diameters (arteries, veins and capillaries).
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4
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. A - Sycon, B - Euspongia, C - Spongilla
B. A - Euspongia, B - Spongilla, C - Sycon
C. A - Spongilla, B - Sycon, C - Euspongia
D. A - Euspongia, B - Sycon, C - Spongilla
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4
Animals like annelids, arthropods, etc. where the body can be divided into identical left and right halves in only one plane, exhibit___________symmetry.
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4
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.
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4
In amphibians, heart is ________ chambered.
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Which of the following is not the common fundamental feature for animal classification?
B. Pathway of water transport.
C. Pattern of organization of cells.
D. Serial repetition of the segments.
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4
Which of the following characteristics is correct for reptilia?
A. Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.
B. Body is covered with moist skin and is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca.
C. Fresh water animals with bony endoskeleton and airbladder regulate buoyancy.
D. Marine animals with cartilaginous endoskeleton and body is covered with placoid scales.