Related Questions
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4
The figure given below is the characteristic structure of the phylum in which animals are aquatic, free swimming or sessile, mostly marine, radially symmetrical. Identify the phylum and correct function of the structure.
A. Ctenophora; Emission of light.
B. Porifera; Feeding, respiration and excretion.
C. Cnidarian; Anchorage, Defense and food capturing
D. Mollusca; Locomotion, transport of food and respiration.
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4
Refer the following statement and answer the question. 'Name of X is derived from stinging capsules. It exhibits metagenesis containing two body forms in which sessile and cylindrical form is called Y and umbrella shaped and free swimming is called Z. Identify X, Y, and Z.
A. X - Coelenterate, Y - Polyp, Z - Medusa
B. X - Cnidarian, Y - Medusa, Z - Polyp
C. X - Ctenophora, Y - Radula, Z - Hypostome
D. X - Porifera, Y - Osculum, Z - Radula
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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
Few cnidarians like corals have a skeleton composed of
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4
Which of the following belong to phylum arthropoda?
B. Laccifer and Anopheles
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The following statement are associated with the occurrence of notochord. Identify the incorrect statement.
A. It is present only in larval tail in ascidians.
B. It is replaced by a vertebral column in adult frog.
C. It is absent throughout the life in humans from the very beginning.
D. It is present throughout life in Amphioxus.
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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
Select the incorrect feature of mollusca from the given statements.
- Terrestrial or aquatic animals having cellular system level of organization.
- Radial symmetrical and acoelomate animals and possesses two germinal layers.
- A file like rasping organ called radula is present.
- Usually dioecious and viviparous animals.
- Examples include Pila, Octopus, and Dentalium.
C. (i), (ii) and (iv) only
D. All the five statements.
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4
Polyp phase is absent in
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4
Match the phylum given in column - I with their example given in column - II and choose the correct option.
Column -I | Column- II | (Phylum) | (Examples) |
A. Echinodermata | I. Ascidia, Doliolum |
B. Hemichordata | II. Asterias, Ophiura |
C. Urochordata | III. Branchiostoma |
D. Cephalochordata | IV. Balanoglossus, Saccoglossus |
A. A IV; B II; C I; D III
B. A II; B IV; C I; D III
C. A II; B IV; C III; D I
D. A II; B I; C IV; D III
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4
Which of the following traits is not shared by both sea anemones and jellyfish ?
A. A medusa as the dominant stage in the life cycle.
B. Possession of a gastro vascular cavity.
D. Nematocysts present on the tentacles.
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4
Which of the following statements (i - v) are correct ?
(i) The pelvic fins of female sharks bear claspers.
(ii) In Obelia, polyps produce medusae sexually and medusae form the polyps asexually.
(iii) Flame cells in platyhelminthes help in osmoregulation and excretion.
(iv) In non-chordates, central nervous system is ventral, solid and double.
(v) Pinnae are present in mammals.
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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
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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 is not a characteristic feature of kingdom animalia ?
A. Storage of carbohydrates as starch.
C. Obtaining nutrients by ingestion.
D. Having eukaryotic cells without walls.
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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
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
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 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
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
Identify the figure with its correct name and phylum.
B. Aurelia - Coelenterata
C. Pleurobrachia - Ctenophora
D. Tapeworm - Platyhelminthes
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4
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. A - i, B - ii, C - iii, D - iv, E - v
B. A - iii, B - v, C - ii, D - iv, E - i
C. A - iii, B - i, C - v, D - ii, E - iv
D. A - v, B - iv, C - iii, D - i, E - ii
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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
Which of the following is an incorrect statement regarding flatworms ?
B. They are bilaterally symmetrical.
C. They lack a digestive system.
D. They have a circulatory system.
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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
Identify the figures A, B and C and choose the correct option.
A. A - Male Ascaris, B - Hirudinaria (leech), C- Nereis
B. A - Female Ascaris, B - Nereis, C-Hirudinaria (leech)
C. A - Female Ascaris B- Hirudinaria (leech), C - Nereis
D. A - Male Ascaris, B - Nereis, C- Hirudinaria (leech)
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4
In phylum arthropoda, excretion takes place through
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4
Refer the figures A, B and C and choose the correct option which shows animals that regulate buoyancy with the help of air bladder.
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4
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.
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4
Which of the following character is absent in all chordates?
C. Pharyngeal gill clefts