Related Questions
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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
Tracheae of cockroach and mammal are similar in having
B. non-collapsible walls.
C. ciliated inner lining.
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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
Which of the following is not a chordate character?
A. Presence of paired pharyngeal gill slits
C. Solid and ventral nerve cord
D. Presence of post-anal tail
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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
A file like rasping organ for feeding, called radula, present in the phylum __________.
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4
The given figures (A & B) shows the germinal layer. The animals having structures shown in the figures are respectively called
A. diploblastic, triploblastic
B. triploblastic, diploblastic
C. diploblastic, diploblastic
D. triploblastic, triploblastic
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4
In amphibians, heart is ________ chambered.
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4
Which of the following is a connecting link between invertebrates and non-invertebrates?
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4
Identify the figure with its correct name and phylum.
A. Cucumaria – Echinodermata
C. Balanoglossus – Hemichordata
D. Hirudinaria – Annelida
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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
Which of the following animal contains respiratory organs like, gills, book gills, book lungs or tracheal system?
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4
In phylum arthropoda, excretion takes place through
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4
Which of the following group of animals reproduces only by sexual means?
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4
Match the characteristic feature/terms given in column I with the phylum to which they belongs given in column II and choose the correct option.
Column-I | Column-II | (Characteristic feature/term) | (Phylum) |
A. Choanocytes | I. Platyhelminthes |
B. Cnidoblasts | II. Ctenophora |
C. Flame cells | III. Porifera |
D. Nephridia | IV. Coelenterata |
E. Comb plates | V. Annelida |
A. A II; B I; C IV; D V; E III
B. A II; B IV; C I; D V; E III
C. A V; B I; C III; D II; E IV
D. A III; B IV; C I; D V; E II
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4
Match the types of animals given in column I with their examples given in column II and choose the correct option.
Column -I | Column -II | (Types of animals) | (Examples) |
A. Limbless reptiles | I. Elephant |
B. Jawless vertebrates | II. Lamprey |
C. Flightless bird | III. Ichthyophis |
D. Largest | IV. Ostrich terrestrial animal |
E. Limbless amphibia | V. Cobra |
A. A II; B V; C IV; D I; E III
B. A V; B II; C IV; D I; E III
C. A V; B II; C I; D IV; E III
D. A V; B IV; C II; D I; E III
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4
A student brought home a strange animal which he found outside under a rock. It had moist skin, a complete digestive tract, a ventral nerve cord, and had gone through torsion. Identify the phylum of the animal.
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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
Match the features given in column I with their examples given in column II and choose the correct match from the option given below.
Column-I | Column-II | (Features) | (Examples) |
A. Pseudocoelomates | a. Hydra, Adamsia |
B. Diploblastic | b. Ctenoplana, Aurelia |
C. Cellular level of | c. Ascaris, Wuchereria organization |
D. Radial symmetry | d. Sycon, Spongilla |
E. Metamerism | e. Pheretima, Neries |
A. A - e, B - b, C - d, D - c, E - a
B. A - c, B - a, C - d, D - b, E - e
C. A - b, B - a, C - c, D - e, E - d
D. A - c, B - b, C - d, D - a, E - e
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4
Which of the following statement(s) is/are correct for class amphibia?
(i) Body is divisible into head and trunk.
(ii) Respiration is through gills only.
(iii) The heart is two chambered i.e. one auricle and one ventricle.
(iv) Fertilization is internal.
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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
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.
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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
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
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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
Which of the following class is being correctly described by given statements (i - iv)?
(i) All living members of this class are ectoparasites on some fishes.
(ii) They have a sucking and circular mouth without jaws.
(iii) Circulation is of closed type.
(iv) They are marine but migrate for spawning to fresh water. After spawing, within a few days they die.
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4
Which of the following animals are bilaterally symmetrical?
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4
Which one of the following categories of animals is correctly described with no single exception in it?
A. In chondrichthyes notochord is persistent throughout life.
B. All mammals are viviparous and possess diaphragm for breathing.
C. All sponges are marine.
D. All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal).
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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
Which of the following feature in birds indicates their reptilian ancestory ?
A. Eggs with a calcareous shell
B. Scales on their hind limbs
D. Two special chambers-crop and gizzard in their digestive tract