Related Questions
What is the correct answer?
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.
What is the correct answer?
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
What is the correct answer?
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)
What is the correct answer?
4
Identify the correct characteristic feature shown by the given figure?
A. Diploblastic in nature.
B. Having radial symmetrical body.
C. Dioecious with direct development.
D. Presence of sensory tentacles on anterior head region.
What is the correct answer?
4
Refer the given figures A, B, C and D and identify the option which shows their correct name.
A. A - Pleurobrachia, B - Cnidoblast, C - Aurelia, D - Adamsia
B. A - Aurelia, B - Adamsia, C - Cnidoblast, D - Pleurobrachia
C. A - Cnidoblast, B - Pleurobrachia, C - Adamsia, D - Aurelia
D. A - Adamsia, B - Aurelia, C - Pleurobrachia, D - Cnidoblast
What is the correct answer?
4
Which of the following is a poisonous snake?
What is the correct answer?
4
Which of the following character is absent in all chordates?
C. Pharyngeal gill clefts
What is the correct answer?
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.
What is the correct answer?
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.
What is the correct answer?
4
Which of the following possesses poison sting and belongs to class chondrichthyes?
What is the correct answer?
4
Which of the following is a connecting link between invertebrates and non-invertebrates?
What is the correct answer?
4
Which of the following statements (i – v) are incorrect ?
- Circulatory system in arthropods is of closed type.
- Parapodia in annelids helps in swimming.
- Phylum mollusca is the second largest animal phylum.
- Aschelminthes are dioecious.
What is the correct answer?
4
In which of the phylum, excretory organ like proboscis gland is present?
What is the correct answer?
4
Which of the following possesses electric organs and belongs to class chondrichthyes?
What is the correct answer?
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
What is the correct answer?
4
Which of the following group of animals reproduces only by sexual means?
What is the correct answer?
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
What is the correct answer?
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.
What is the correct answer?
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.
What is the correct answer?
4
Identify the correct characteristics of porifera.
- Commonly known as sea walnuts.
- Presence of ostia and collar cells.
- Exhibit tissue level of characteristics.
- It is the largest phylum of animal kingdom.
- The body is supported by spicules and sponging fibers.
- Contains cnidocytes which is used for defense, anchorage and capturing of prey.
C. (i), (ii), (iii), (iv) only
What is the correct answer?
4
In ctenophora, the body bears _______ external rows of ciliated comb plates, which help in locomotion.
What is the correct answer?
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.
What is the correct answer?
4
Flame cells present in platyhelminthes, are specialized in
A. respiration and absorption.
B. osmoregulation and circulation.
C. respiration and excretion.
D. osmoregulation and excretion.
What is the correct answer?
4
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
What is the correct answer?
4
Meandrina (brain coral) belongs to phylum
What is the correct answer?
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.
What is the correct answer?
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
What is the correct answer?
4
Which of the following characteristic is probably most responsible for the great diversification of insects on land ?
What is the correct answer?
4
Which of the following animal's body is covered by calcareous shell and unsegmented with a distinct head, muscular foot, and visceral hump?
What is the correct answer?
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.