Animal Kingdom - Live Session - 04 June 2020Contact Number: 9667591930 / 8527521718Animal Kingdom - Live Session - 04 June 2020Contact Number: 9667591930 / 8527521718Which of the following developed for the first time in Annelids?
(1) Cephalization
(2) Development of a true coelom
(3) Metameric segmentation
(4) Both 2 and 3
Consider the following characters:
I. Air bladder
II. Operculum
III. Viviparity
The characters present in bony fishes include:
| 1. | I, II and III | 2. | I and III only |
| 3. | I and II only | 4. | II and III only |
Homeothermy is exhibited by:
1. All amniotes
2. Birds and Mammals
3. All deuterostomes
4. Reptiles and Mammals
Consider the following characteristics of Porifers:
1. Collared cells called as choanocytes
2. Canal system with pores (ostia) in body wall
3. Mineral spicules
4. High cellular mobility and totipotency
Which of these can be regarded as synapomorphies of Porifera?
What is the most important reason for the immense success of arthropods?
1. Chitinous exoskeleton
2. Uricotelic nature
3. Compound eye
4. Multipurpose appendages
What is not true for a generalized mollusc?
1. Body segmented into head, visceral mass and foot.
2. A rasping tongue like organ – radula present.
3. Mantle cavity with gills
4. Excretory structures – nephridia
How many of the characters given below are true for echinoderms?
| I. | An endoskeleton of calcareous ossicles |
| II. | The adult echinoderms are radially symmetrical but larvae are bilaterally symmetrical. |
| III. | They are triploblastic and coelomate animals. |
| IV. | Digestive system is complete. |
| V. | Water vascular system |
| VI. | Sexual reproduction, internal fertilization, and direct development. |
1. 3
2. 4
3. 5
4. 6
Consider the following sets of some animals. The set that consists of all animals belonging to the same phylum is:
1. Pinctada, Aplysia, Chaetopleura
2. Dentallium, Pila, Echinus
3. Asterias, Antedon, Ascidia
4. Adamsia, Gorgonia, Pleurobrachia
Identify the option where all the columns are not correctly matched:
| Animal | Phylum | Features | |
| 1. | Pleurobrachia | Ctenophora | Comb plates, Only sexual reproduction |
| 2. | Loligo | Mollusca | Radula, Dioecious |
| 3. | Balanoglossus | Hemichordata | Respiration by gills, Proboscis gland |
| 4. | Ascidia | Chordata | Marine, Notochord persistent throughout life |
Birds are not characterized by:
1. Forelimbs modified into wings
2. Fully ossified endoskeleton
3. Skin dry without glands except for oil gland
4. Oviparous and external fertilization
Identify the incorrectly matched pair:
| Animals | Feature present in both | |
| 1. | Balanoglossus and Pinctada | Open circulatory system |
| 2. | Branchiostoma and Ascidia | Persistent notochord |
| 3. | Aplysia and Pheretima | True coelom |
| 4. | Gorgonia and Pennatula | Cnidoblasts |
Which of the following is not an arthropod characteristic?
1. Jointed appendages
2. Non-segmented bodies
3. Periodic moulting
4. Articulated exoskeleton
Amniotes include all except:
(1) Amphibians
(2) Reptiles
(3) Birds
(4) Mammals
An important characteristic that hemichordates share with chordates is
(1) absence of notochord
(2) ventral tubular nerve cord
(3) pharynx with gill slits
(4) pharynx without gill slits
Which among these is the correct combination of aquatic mammals?
(1) Seals, Dolphins, Sharks
(2) Dolphins, Seals, Trygon
(3) Whales, Dolphins, Seals
(4) Trygon, Whales, Seals
Choose the correct statements.
1. All mammals are viviparous
2. All cyclostomes do not possess jaws and paired fins
3. All reptiles have a three-chambered heart
4. All Pisces have gills covered by an operculum
Which one of the following characteristics is not shared by birds and mammals?
(1) Breathing using lungs
(2) Viviparity
(3) Warm blooded nature
(4) Ossified endoskeleton
Select the taxon mentioned that represents both marine and freshwater species
(1) Echinoderms
(2) Ctenophora
(3) Cephalochordata
(4) Cnidaria
A marine cartilaginous fish that can produce electric current is
(1) Pristis
(2) Torpedo
(3) Trygon
(4) Scoliodon
Infection of Ascaris usually occurs by
(1) drinking water containing egg of Ascaris
(2) eating imperfectly cooked pork
(3) tse-tse fly
(4) mosquito bite
In which one of the following, the genus name, its two characters and its class/phylum are correctly matched?
| Genus Name | Two characters | Class/Phylum | ||
| 1. | Salamandra | (i) | A tympanum represents ear | Amphibia |
| (ii) | Fertilization is external | |||
| 2. | Pteropus | (i) | Skin possesses hair | Mammalia |
| (ii) | oviparous | |||
| 3. | Aurelia | (i) | Cnidoblasts | Coelenterata |
| (ii) | Organ level of organization | |||
| 4. | Ascaris | (i) | Body segmented | Annelida |
| (ii) | Males and Females distinct |
Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
(1) Chordata - possess a mouth provided with an upper and a lower jaw
(2) Chondrichthyes - possess cartilaginous endoskeleton
(3) Mammalia - give birth to young ones
(4) Reptilia - possess 3-chambered heart with one incompletely divided ventricle
One example of animals having a single opening to the outside that serves both as mouth as well as anus is
(1) Octopus
(2) Asterias
(3) Ascidia
(4) Fasciola
Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct?
| 1. | Penguin is homeothermic while the remaining three are poikilothermic |
| 2. | leech is a fresh water form while all others are marine |
| 3. | Spongilla has special collared cells called choanocytes, not found in the remaining three |
| 4. | All are bilaterally symmetrical |
Which one of the following kinds of animals are triploblastic?
(1) Flat worms
(2) Sponges
(3) Ctenophores
(4) Corals
Which one of the following pairs of animal comprises ‘jawless fishes’?
(1) Lampreys and eels
(2) Mackerels and rohu
(3) Lampreys and hag fishes
(4) Guppies and hag fishes
Which one of the following in birds, indicates their reptilian ancestry?
(1) Scales on their hind limbs
(2) Four chambered heart
(3) Two special chambers crop and gizzard in their digestive tract
(4) Eggs with a calcareous shell
Which one of the the following phyla is correctly matched with its two general characteristics?
(1) Arthropoda − Body divided into head, thorax and abdomen and respiration by mouth
(2) Chordata − Notochord at early stage only and separate anal and urinary openings to the outside
(3) Echinodermata − Pentamerous radial symmetry and mostly internal fertilization
(4) Mollusca − Normally oviparous and development through a trochophore or veliger larva
Ascaris is characterised by
(1) absence of true coelom but presence of metamerism
(2) presence of neither true coelom nor metamerism
(3) presence of true coelom but absence of metamerism
(4) presence of true coelom and metamerism (metamerisation)
Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?
|
|
Animals |
|
Morphological Feature |
|
(1) |
Liver fluke, sea anemone, sea cucumber |
– |
Bilateral |
|
(2) |
Earthworm, prawn, scorpion |
– |
Jointed appendages |
|
(3) |
Scorpion, spider, cockroach |
– |
Ventral solid central nervous system |
|
(4) |
Cockroach, locust, Taenia |
– |
Metameric segmentation |
Which of the following pairs are correctly matched?
|
Animals |
Morphological features |
||
|
A. |
Crocodile |
– |
4-chambered heart |
|
B. |
Sea urchin |
– |
Parapodia |
|
C. |
Obelia |
– |
Metagenesis |
|
D. |
Lemur |
– |
Thecodont |
(1) A, C and D
(2) B, C and D
(3) Only A and D
(4) Only A and B
What is true about Nereis, Scorpion, Cockroach and Silver fish?
(1) They all have jointed paired appendages
(2) They all possess dorsal heart
(3) None of them is aquatic
(4) They all belong to the same phylum
Which one of the following is a matching set of a phylum and its three examples?
1. Cnidaria − Bonellia, Physalia, Aurelia
2. Platyhelminthes − Planaria, Schistosoma, Enterobius
3. Mollusca − Loligo, Teredo, Octopus
4. Porifera − Spongilla, Euplectella, pennatula
Metameric segmentation is the characteristic of
(1) Platyhelminthes and Arthropoda
(2) Echinodermata and Annelida
(3) Annelida and Arthropoda
(4) Mollusca and Chordata
In which one of the following sets of animals do all the four give birth to young ones?
(1) Lion, bat, whale, ostrich
(2) Platypus, penguin, bat, hippopotamus
(3) Shrew, bat, cat, kiwi
(4) Kangaroo, hedgehog, dolphin, Loris
Metagenesis refers to
1. the presence of different morphic forms
2. alternation of generation between asexual and sexual phases of an organism
3. occurance of a drastic change in form during post embryonic development
4. the presence of a segmented body and parthenogenetic mode of reproduction
Which of these is not a coelenterate?
(1) Sea pen
(2) Sea fur
(3) Sea anemone
(4) Sea lily
Polyp phase is absent in the life cycle of:
(1) Hydra
(2) Hormiphora
(3) Pennatula
(4) Physalia
Which of the following is a fish?
(1) Flying fish
(2) Jelly fish
(3) Devil fish
(4) Star fish
Which of the following Phyla are included in Enterozoa?
(1) Annelida, Mollusca, Porifera
(2) Echinodermata, Hemichordata, Porifera
(3) Mollusca, Arthropoda, Hemichordata
(4) Porifera, Mollusca, Arthropoda
All mammals without any exception are characterised by
(1) viviparity and biconcave red blood cells
(2) extra-abdominal testes and a four chambered heart
(3) heterodont teeth and 12 pairs of cranial nerves
(4) a muscular diaphragm and milk producing glands
Which of the following have porous body and have Cellular Level of Organization?
(1) Aurelia and Obelia
(2) Adamsia and Euplectella
(3) Leucosolenia and Spongilla
(4) Sycon and Hydra
In which of the following sets of organisms, does the external fertilization occur?
1. Echinodermata and mosses
2. Hemichordata and ferns
3. Amphibians and algae
4. Reptiles and gymnosperms
Select the animal that exhibits retrogressive metamorphosis.
(1) Bufo
(2) Amphioxus
(3) Limulus
(4) Herdmania
Which of the following is not a feature of the phylum chordata?
1. Dorsal heart
2. Central nervous system is dorsal
3. Paired pharyngeal gill slits
4. Post anal tail
The presence of notochord in the larval tail is a characteristic of
(1) Doliolum
(2) Branchiostoma
(3) Balanoglossus
(4) Petromyzon
Match the following:
| (a) | Exocoetus | (i) | Rohu |
| (b) | Pterophyllum | (ii) | Fighting fish |
| (c) | Betta | (iii) | flying fish |
| (d) | Labeo | (iv) | Angel fish |
1. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
2. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
3. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
4. (a)-(iii), (b)-(iii), (c)-(ii), (d)-(i)
Which of the following is wrong about Coelenterata?
(1) They are aquatic and exclusively marine animals.
(2) Cnidarians exhibit tissue level of organisation and are diploblastic.
(3) Some Cnidarians exhibit two forms namely Polyp and Medusa.
(4) Cnidoblasts are present on tentacles and body.
In sponges, digestion is
1.Intercellular
2.Intracellular
3.Both inter and inter cellular
4.Gastric cavity
Hooks and Suckers are present in
1.All Flatworms
2.Parasitic flatworms
3.Non-parasitic flatworms
4.None of these