Related Questions
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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
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 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
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
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 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.
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4
Which of the following is a poisonous snake?
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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
Which of the following character is absent in all chordates?
C. Pharyngeal gill clefts
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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
The figure given below shows the germinal layers marked as A, B, C and D. Identify the label showing undifferentiated layer and its location?
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4
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.
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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
Which of the following is a connecting link between invertebrates and non-invertebrates?
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4
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.
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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 is not a characteristic of phylum echinodermata ?
A. They have a water vascular system.
B. They have an internal skeleton.
D. They have bilateral symmetry at larval stage.
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4
Read the following statements and answer the question.
(i) They are exclusively marine, radially symmetrical, diploblastic organisms with tissue level of organisation.
(ii) Body bears eight external rows of ciliated comb plates, which help in locomotion.
(iii) Digestion is both extracellular and intracellular.
(iv) Reproduction takes place only by sexual means.
Which of the following phylum is being described by above statements?
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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
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.
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4
In which of the phylum, excretory organ like proboscis gland is present?
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4
Which of the following is a fresh water sponge?
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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
In ctenophora, the body bears _______ external rows of ciliated comb plates, which help in locomotion.
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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
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.
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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 statements is incorrect ?
A. Prawn has two pairs of antennae.
B. Nematocysts are characteristic feature of the phylum cnidaria.
C. Millipedes have two pairs of appendages in each segment of the body.
D. Animals that belong to phylum porifera are exclusively marine.
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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