NDA - Animal Kingdom 1000+ MCQ [Solved] PDF Download
Thursday 9th of March 2023
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1. Refer the figures A, B and C and choose the correct option which shows animals that regulate buoyancy with the help of air bladder.
A. A and B
B. A and C
C. B and C
D. All of the above.
Answer : A
A. A and B
B. A and C
C. B and C
D. All of the above.
Answer : A
2. Which of the following statement(s) is/are correct regarding phylum mollusca?
A. They are bilaterally symmetrical, triploblastic and coelomate animals.
B. Body is covered by a calcareous shell and is unsegmented with a distinct head, muscular foot and visceral hump.
C. The mouth contains a file-like rasping organ for feeding, called radula.
D. All of the above
Answer : D
A. They are bilaterally symmetrical, triploblastic and coelomate animals.
B. Body is covered by a calcareous shell and is unsegmented with a distinct head, muscular foot and visceral hump.
C. The mouth contains a file-like rasping organ for feeding, called radula.
D. All of the above
Answer : D
3. Flame cells present in platyhelminthes, are specialized in
A. respiration and absorption.
B. osmoregulation and circulation.
C. respiration and excretion.
D. osmoregulation and excretion.
Answer : D
A. respiration and absorption.
B. osmoregulation and circulation.
C. respiration and excretion.
D. osmoregulation and excretion.
Answer : D
4. Which of the follwoing statement(s) is/are correct?
(i) Organ systems in different group of animals show various patterns of complexities.
(ii) The digestive system in platyhelminthes has only a single opening to the outside of the body that serve as both mouth and anus, and is hence called complete.
(iii) In open type of circulatory system, the blood is pumped out of the heart and the cells and tissues are directly bathed in it.
(iv) In closed type, the blood is circulated through a series of vessels of varying diameters (arteries, veins and capillaries).
A. Only (i)
B. Both (ii) and (iii)
C. (i), (iii) and (iv)
D. All of these
Answer : C
(i) Organ systems in different group of animals show various patterns of complexities.
(ii) The digestive system in platyhelminthes has only a single opening to the outside of the body that serve as both mouth and anus, and is hence called complete.
(iii) In open type of circulatory system, the blood is pumped out of the heart and the cells and tissues are directly bathed in it.
(iv) In closed type, the blood is circulated through a series of vessels of varying diameters (arteries, veins and capillaries).
A. Only (i)
B. Both (ii) and (iii)
C. (i), (iii) and (iv)
D. All of these
Answer : C
5. 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.
C. Be hermaphroditic.
D. Inject paralytic poisons into their prey.
Answer : A
A. Attain complex body shapes and thus locomote more precisely.
B. Move through loose marine sediments.
C. Be hermaphroditic.
D. Inject paralytic poisons into their prey.
Answer : A
6. 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
Answer : B
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
Answer : B
7. 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.
A. (ii), (iv) and (v)
B. (i), (iii) and (v)
C. (iii), (iv) and (v)
D. (i), (ii) and (iii)
Answer : C
(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.
A. (ii), (iv) and (v)
B. (i), (iii) and (v)
C. (iii), (iv) and (v)
D. (i), (ii) and (iii)
Answer : C
8. 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
D. Pinna and teeth
Answer : B
A. Hairy skin and oviparity
B. Hairy skin and mammary glands
C. Mammary glands and teeth
D. Pinna and teeth
Answer : B
9. Which of the following statements (i – v) are incorrect ?
A. (i) only
B. (iii) only
C. (i) and (iii)
D. (iii) and (iv)
Answer : A
- 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.
A. (i) only
B. (iii) only
C. (i) and (iii)
D. (iii) and (iv)
Answer : A
10. 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.
Answer : D
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.
Answer : D
11. Which of the following pairs of animals comprises jawless fishes?
A. Mackerals and rohu
B. Lampreys and hag fishes
C. Guppies and hag fishes
D. Lampreys and eels
Answer : B
A. Mackerals and rohu
B. Lampreys and hag fishes
C. Guppies and hag fishes
D. Lampreys and eels
Answer : B
12. 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.
Answer : D
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.
Answer : D
13. 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.
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
Answer : D
| 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
Answer : D
14. In amphibians, respiration occurs through
A. gills
B. lungs
C. skin
D. all of these
Answer : D
A. gills
B. lungs
C. skin
D. all of these
Answer : D
15. Which of the following group of animals reproduces only by sexual means?
A. Ctenophora
B. Cnidaria
C. Porifera
D. Protozoa
Answer : A
A. Ctenophora
B. Cnidaria
C. Porifera
D. Protozoa
Answer : A
16. A student brought home a strange animal which he found outside under a rock. It had moist skin, a complete digestive tract, a ventralnerve cord, and had gone through torsion. Identify the phylum of the animal.
A. Porifera
B. Annelida
C. Mollusca
D. Echinodermata
Answer : B
A. Porifera
B. Annelida
C. Mollusca
D. Echinodermata
Answer : B
17. Which of the following animals are bilaterally symmetrical?
A. 1 & 2
B. 2 & 4
C. 3 & 4
D. 1 & 3
Answer : B
A. 1 & 2
B. 2 & 4
C. 3 & 4
D. 1 & 3
Answer : B
18. Tracheae of cockroach and mammal are similar in having
A. paired nature.
B. non-collapsible walls.
C. ciliated inner lining.
D. origin from head.
Answer : B
A. paired nature.
B. non-collapsible walls.
C. ciliated inner lining.
D. origin from head.
Answer : B
19. 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)
Answer : D
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)
Answer : D
20. Which of the following belong to phylum arthropoda?
A. Bombyx and Apis
B. Laccifer and Anopheles
C. Locusta and Limulus
D. All of the above
Answer : D
A. Bombyx and Apis
B. Laccifer and Anopheles
C. Locusta and Limulus
D. All of the above
Answer : D
21. Match the organisms given in column-I with their common name given in column-II and choose the correct option.
A. A II; C III; D I; E IV
B. A II; C IV; D I; E III
C. A II; C I; D III; E IV
D. A II; C I; D III; E IV
Answer : C
| Column -I | Column -II |
|---|---|
| (Organisms) | (Comman name) |
| A. Pennatula | I. Sea-lily |
| B. Antedon | II. Sea- pen |
| C. Echinus | III. Sea-urchin |
| D. Cucumaria | IV. Sea - cucumber |
A. A II; C III; D I; E IV
B. A II; C IV; D I; E III
C. A II; C I; D III; E IV
D. A II; C I; D III; E IV
Answer : C
22. 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.
C. radial symmetry.
D. asymmetrical body.
Answer : C
A. one single opening to the digestive canal.
B. cilia on the surface to create water current.
C. radial symmetry.
D. asymmetrical body.
Answer : C
23. Which of the following animal contains respiratory organs like, gills, book gills, book lungs or tracheal system?
A. Click to check answer
B. Click to check answer
C. Click to check answer
D. Click to check answer
Answer : C
A. Click to check answer
B. Click to check answer
C. Click to check answer
D. Click to check answer
Answer : C
24. 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.
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
Answer : D
| 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
Answer : D
25. 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.
C. Sexual reproduction.
D. Nematocysts present on the tentacles.
Answer : A
A. A medusa as the dominant stage in the life cycle.
B. Possession of a gastro vascular cavity.
C. Sexual reproduction.
D. Nematocysts present on the tentacles.
Answer : A
26. Column-I contains organisms and column-II contains their exeretory structures. Choose the correct match form the options given below.
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
Answer : D
| 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
Answer : D
27. A file like rasping organ for feeding, called radula, present in the phylum __________.
A. arthropoda
B. mollusca
C. echinodermata
D. chordata
Answer : B
A. arthropoda
B. mollusca
C. echinodermata
D. chordata
Answer : B
28. Identify the figure with its correct name and phylum.
A. Cucumaria – Echinodermata
B. Ascidia – Urochordata
C. Balanoglossus – Hemichordata
D. Hirudinaria – Annelida
Answer : C
A. Cucumaria – Echinodermata
B. Ascidia – Urochordata
C. Balanoglossus – Hemichordata
D. Hirudinaria – Annelida
Answer : C
29. In amphibians, heart is ________ chambered.
A. two
B. three
C. four
D. none of these
Answer : B
A. two
B. three
C. four
D. none of these
Answer : B
30. Refer the figures A, B, C and D given below. Which of the following options shows the correct name of the animals shown by the figures A, B, C and D ?
A. A – Locust, B – Scorpion, C – Prawn, D – Pila
B. A – Locust, B – Prawn, C – Scorpion, D – Pila
C. A – Locust, B – Scorpion, C – Prawn, D – Snail
D. A – Butterfly, B – Scorpion, C – Prawn, D – Pila
Answer : A
A. A – Locust, B – Scorpion, C – Prawn, D – Pila
B. A – Locust, B – Prawn, C – Scorpion, D – Pila
C. A – Locust, B – Scorpion, C – Prawn, D – Snail
D. A – Butterfly, B – Scorpion, C – Prawn, D – Pila
Answer : A
31. 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?
A. Platyhelminthes
B. Arthropoda
C. Mollusca
D. Ctenophora
Answer : D
(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?
A. Platyhelminthes
B. Arthropoda
C. Mollusca
D. Ctenophora
Answer : D
32. 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.
A. (i) and (ii)
B. (iii) and (iv)
C. (i), (ii) and (iii)
D. All of these
Answer : C
(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.
A. (i) and (ii)
B. (iii) and (iv)
C. (i), (ii) and (iii)
D. All of these
Answer : C
33. Which of the following phylum is being described by the given statements?
(i) These are primitive multicellular animals and have cellular level of organization.
(ii) Digestion is intracellular.
(iii) They have a water transport or canal system.
(iv) They reproduce asexually by fragmentation and sexually by formation of gametes.
A. Porifera
B. Ctenophora
C. Coelenterata
D. Platyhelminthes
Answer : A
(i) These are primitive multicellular animals and have cellular level of organization.
(ii) Digestion is intracellular.
(iii) They have a water transport or canal system.
(iv) They reproduce asexually by fragmentation and sexually by formation of gametes.
A. Porifera
B. Ctenophora
C. Coelenterata
D. Platyhelminthes
Answer : A
34. Which of the following is a poisonous snake?
A. Naja (Cobra)
B. Bangarus (Krait)
C. Viper (Viper)
D. All of these
Answer : D
A. Naja (Cobra)
B. Bangarus (Krait)
C. Viper (Viper)
D. All of these
Answer : D
35. Which of the following is not a characteristic of phylum echinodermata ?
A. They have a water vascular system.
B. They have an internal skeleton.
C. They are protostomes.
D. They have bilateral symmetry at larval stage.
Answer : C
A. They have a water vascular system.
B. They have an internal skeleton.
C. They are protostomes.
D. They have bilateral symmetry at larval stage.
Answer : C
36. Which of the following statement(s) is/are correct?
(i) Animals in which the cells are arranged in two embryonic layers, an external ectoderm and an internal endoderm, are called diploblastic animals.
(ii) Notochord is an ectodermally derived rod like structure formed on the ventral side during embryonic development in some animals.
(iii) In some animals, the body cavity is not lined by mesoderm, instead, the mesoderm is present as scattered pouches in between the ectoderm and endoderm and such a body cavity is called pseudocoelom.
A. Only (i)
B. Both (i) and (ii)
C. Both (i) and (iii)
D. All of these
Answer : C
(i) Animals in which the cells are arranged in two embryonic layers, an external ectoderm and an internal endoderm, are called diploblastic animals.
(ii) Notochord is an ectodermally derived rod like structure formed on the ventral side during embryonic development in some animals.
(iii) In some animals, the body cavity is not lined by mesoderm, instead, the mesoderm is present as scattered pouches in between the ectoderm and endoderm and such a body cavity is called pseudocoelom.
A. Only (i)
B. Both (i) and (ii)
C. Both (i) and (iii)
D. All of these
Answer : C
37. 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.
A. Cyclostomata
B. Chondrichthyes
C. Osteichthyes
D. Amphibia
Answer : A
(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.
A. Cyclostomata
B. Chondrichthyes
C. Osteichthyes
D. Amphibia
Answer : A
38. 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
Answer : B
A. Earthworm, pinworm, tapeworm
B. Prawn, scorpion, Locusta
C. Sponge, Sea anemone, starfish
D. Malarial parasite, Amoeba, mosquito
Answer : B
39. Match the phylum given in column - I with the special features present in them given in column - II and choose the correct option.
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
Answer : A
| 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
Answer : A
40. Column I contains zoological names of animals and column II contains their common name. Match the following and choose the correct option.
A. A III; B II; C I; D IV
B. A IV; B III; C II; D I
C. A IV; B II; C III; D I
D. A II; B III; C I; D IV
Answer : C
| Column -I | Column- II |
|---|---|
| A. Physalia | I. Sea anemone |
| B. Meandrina | II. Brain coral |
| C. Gorgonia | III. Sea fan |
| D. Adamsia | IV. Portuguese man-of-war |
A. A III; B II; C I; D IV
B. A IV; B III; C II; D I
C. A IV; B II; C III; D I
D. A II; B III; C I; D IV
Answer : C
41. 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.
Answer : B
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.
Answer : B
42. 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.
A. Prawn
B. Pheretima
C. Wuchereria
D. Ctenoplana
Answer : B
(i) They are metamerically segmented.
(ii) Presence of closed circulatory system.
(iii) They have circular and longitudinal muscles for locomotion. Identify the specimen.
A. Prawn
B. Pheretima
C. Wuchereria
D. Ctenoplana
Answer : B
43. Which of the following feature in birds indicates their reptilian ancestory ?
A. Eggs with a calcareous shell
B. Scales on their hind limbs
C. Four-chambered heart
D. Two special chambers-crop and gizzard in their digestive tract
Answer : C
A. Eggs with a calcareous shell
B. Scales on their hind limbs
C. Four-chambered heart
D. Two special chambers-crop and gizzard in their digestive tract
Answer : C
44. Which of the following is not a chordate character?
A. Presence of paired pharyngeal gill slits
B. Ventral heart
C. Solid and ventral nerve cord
D. Presence of post-anal tail
Answer : C
A. Presence of paired pharyngeal gill slits
B. Ventral heart
C. Solid and ventral nerve cord
D. Presence of post-anal tail
Answer : C
45. Match the features given in column I with their examples given in column II and choose the correct match from the option given below.
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
Answer : B
| 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 |
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
Answer : B
46. Which of the following characteristics is correct for reptilia?
A. Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.
B. Body is covered with moist skin and is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca.
C. Fresh water animals with bony endoskeleton and airbladder regulate buoyancy.
D. Marine animals with cartilaginous endoskeleton and body is covered with placoid scales.
Answer : A
A. Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.
B. Body is covered with moist skin and is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca.
C. Fresh water animals with bony endoskeleton and airbladder regulate buoyancy.
D. Marine animals with cartilaginous endoskeleton and body is covered with placoid scales.
Answer : A
47. Polyp phase is absent in
A. Hydra
B. Aurelia
C. Physalia
D. Obelia
Answer : B
A. Hydra
B. Aurelia
C. Physalia
D. Obelia
Answer : B
48. 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.
A. X – Reptile; B
B. X – Reptile; A
C. X – Amphibia, C
D. X – Pisces; D
Answer : A
A. X – Reptile; B
B. X – Reptile; A
C. X – Amphibia, C
D. X – Pisces; D
Answer : A
49. Which of the following sets of animals give birth to young ones?
A. Platypus, Penguin, Bat, Hippopotamus.
B. Shrew, Bat, Cat, Kiwi.
C. Kangaroo, Hedgehog, Dolphin, Loris.
D. Lion, Bat, Whale, Ostrich.
Answer : C
A. Platypus, Penguin, Bat, Hippopotamus.
B. Shrew, Bat, Cat, Kiwi.
C. Kangaroo, Hedgehog, Dolphin, Loris.
D. Lion, Bat, Whale, Ostrich.
Answer : C
50. 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)
Answer : B
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)
Answer : B
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