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1101.

In echinodermata, tube feet are related withA. Excretory systemB. Ambulacral systemC. Reporductive systemD. Respiratory system

Answer» Correct Answer - B
1102.

Tube feet are locomotary organs ofA. SpiderB. ReptilesC. Star fishD. Cat fish

Answer» Correct Answer - c
1103.

Name the first phylum including triploblastic animals.

Answer» Platyhelminthes.
1104.

In which of the following arthropods the development is paurometabolous? The young hatches from eggs resemble the adult and often occupy the same habitat and they grow by moultingA. BombyxB. ApisC. AnophelesD. Periplaneta

Answer» Correct Answer - D
Periplaneta
1105.

Ascaris and cockraoch resemble each other inA. PseduocoelB. Sexual dimorphismC. NephridaD. Beetles

Answer» Correct Answer - B
1106.

The places of first, second and third moulting of Ascaris larva areA. Soil, alveoli, lungB. liver, soil, stomachC. soil, lung, liverD. soil, intestine, lung

Answer» Correct Answer - B
1107.

In which class of coelenterata the polyp and medusa both are found in one animalA. HydrozoaB. ScyphozoaC. AnthozoaD. None of them

Answer» Correct Answer - A
(a) In hydrozoa, either only polyps are found or polyps and medusae are present Examples Hydra , obelia physalia etc.
1108.

Polyp phase is absent inA. HydraB. AureliaC. PhysaliaD. Obelia

Answer» Correct Answer - B
(b) Polyp and medusa are the asexual and sexual phase present respectively in coelenterates Aurelia (jelly fish) belongs to class Scyphozoa, in which medusoid phase is dominant, polypoid phase absent.
1109.

Which cells the flatworms have for excretion?

Answer» Correct Answer - Flame cells
1110.

Mention one important phenomenon shown by coelenterates.

Answer» Polymorphism.
1111.

Digestion in coelenterates isA. Only intracellularB. Only extracellularC. Both extracellular and initracellularD. Not required

Answer» Correct Answer - C
Both extracellular and initracellular
1112.

Which of the following is not the fuction of cnidoblasts?A. Digestion of foodB. AnchorageC. DefenseD. Capture of prey

Answer» Correct Answer - A
Digestion of food
1113.

Most appropriate term to designate the life cycle of Obelia isA. MetamorphosisB. NeotenyC. MetagenesisD. All of these

Answer» Correct Answer - C
Metagenesis
1114.

Most appropriate term to designate the life cycle of Obelia isA. NeotenyB. MetagenesisC. MetamorphosisD. None of these

Answer» Correct Answer - B
(b) Obelia shows alternation of asexual and sexual phase (both phase are diploid) The asexual phase is represented by the colony while the sexual phase is medusa. The two altermate in life cycle. Such an alternation between asexual and sexual phases is called metagenesis.
1115.

Most appropriate term for the life cycle of Obelia isA. neotenyB. metagenesisC. metamorphosisD. All of these

Answer» Correct Answer - B
True alternation of generations is alternation between haploid gametophyte and diploid sporophyte phase. In Obelia, the asexual polypoid phase is alternate with sexual medusoid phase and this type of life cycle is called metagenesis.
Neoteny It is also called Juvenilisation, is one of the two ways by which paedomorphism can arise.
Paedomorphism It is the retention by adults of traits previously seen only in young, and is a subject studied in the development biology .
Metamorphosis It is a biological process by which an animal physically develops after birth or notching, involving a conspicous and relatively abrupt change in the animal body structure through cell growth and differentiation e.g., in some insects, molluses etc.
1116.

Blood glands of Pheretima take part inA. Formation of red blood corpusclesB. Formation of phagocytesC. Maintenance of blood volumeD. Maintenance of blood circulation

Answer» Correct Answer - A
Blood glands of Pheretima serve for the manufacture of blood corpuscles and haemoglobin.
1117.

Germ cells of Hydea are derived fromA. EctodermB. EndodermC. MesodermD. Mesogloea

Answer» Correct Answer - A
1118.

Trochophore larva is found inA. ChitonB. NereisC. AphroditeD. All of these

Answer» Correct Answer - D
1119.

Testes//gonads are formed in Hydra fromA. Interstitial cellsB. Epithelio-muscular cellsC. Nerve cellsD. All the above

Answer» Correct Answer - A
(a) The interstitial cells become active and form germ cells by repeated multiplication which bulge out as gonads.
1120.

Select the correct statement from the ones given below with respect to Periplaneta americana.A. Nervous system localted dorsally, consists of segmentally arranged gangila joined by a pair of longitudinal connectivesB. Males bear a pair of short thread like and stylesC. There are 16 very long Malpighain tubles present at the juction of midgut and hindgutD. Grinding of food is carried out only by the mouth parts.

Answer» Correct Answer - B
(b) Calotes versicolor is commonly known as Garden lizard it is quite common in hedges garden and jungles
1121.

One of these lacks open circulatory systemA. SilverfishB. CockroachC. HouseflyD. Earthworm

Answer» Correct Answer - D
1122.

A list of animals is given below. Identify the animals with open circulatory system and choose the correct answer. (A) Acidia (B) Cockroach (C) Earthworm (D) Prawn (E) Silverfish (F) Snail (G) SquidA. B,D,FB. A, B, D, FC. C, D, E, GD. B, D, E, F

Answer» Correct Answer - D
1123.

Water vasuclar system is found inA. Sea penB. Sea horseC. Sea anemoneD. Sea cucumber .

Answer» Correct Answer - D
1124.

Botroidal tissue is found inA. RabbitB. AscarisC. HirudinariaD. Earthworm

Answer» Correct Answer - C
Botyoidal tissue is found surrounding the alimentary canal of leech and is probably excretory in function.
1125.

What will you look for to identify the sex of the followingA. Female Ascaris- Sharply curved posterior endB. Male frog- A copulatory pad on the first digit of the hindlimbC. Female cockroach -Anal cerciD. Male shark - Claspers borne on plevic fins.

Answer» Correct Answer - D
1126.

verebral column is ferived fromA. notochordB. dorsal nerver codeC. ventral nerve cordD. outgrowth of cranium

Answer» Correct Answer - A
Enterocoelic coelom is found in echinoderm to chordates.
1127.

An open circulatory system occurs inA. Reptiles , mammalsB. HumansC. AvesD. Insects.

Answer» Correct Answer - D
1128.

Closed blood or parapodia are the characteristics ofA. ArthropodaB. NematodaC. AnnelidaD. None of these

Answer» Correct Answer - C
1129.

In which of the following, segmentation in the body is first observed?A. AschelminthesB. ArthropodaC. AnnelidaD. Platyhelminthes

Answer» Correct Answer - C
Segmentation is division or differentiation of the body into distinct portions called segments. It is first observed in Phylum Annelida.
1130.

Teleost fish is differentiated externally from elasmobranch fish byA. EndoskeletonB. ExoskeletonC. OperculumD. Stream line body

Answer» Correct Answer - C
1131.

Which of the folowing are multicellular grade organismsA. SpongesB. CoelenteratesC. ProkaryotesD. Vertebrates

Answer» Correct Answer - A
(a) Sponges are multicellular grade organism
1132.

Tissue level of organization is found inA. PoriferaB. CoelenterataC. AnnelidaD. Vertebrata

Answer» Correct Answer - B
1133.

The metazoan without tissue grade of organization is known asA. DeuterostomiaB. ProtozoaC. ParazoaD. Eumetozoa

Answer» Correct Answer - C
The metazoan without tissue grade of organization is known as parazoa.
1134.

Which is associated with pearl formation ?A. PectenB. OstreaC. NautilusD. Pinctada

Answer» Correct Answer - D
Pinctada (molluscs) is associated with pearl formation.
1135.

In bioluninesence storage, energy changes intoA. Light energyB. Radiant energyC. chemical energyD. Mechanical energy

Answer» Correct Answer - A
Bioluminescence is a method of light producing by living organisms in which usally certain protein called luciferins in the presence of oxygen and an enzyme luciferase, are converted to oxyluciferins with the libration of light.
1136.

The main difference between Gymnophiona (Apoda) and Urodela is that UrodelaA. Have two auricles and one ventricleB. Have smooth moist skinC. Have a cloacaD. Respire by lungs in the adult stage

Answer» Correct Answer - B
Is some gymnophiona, dermal scales are embedeed in dermis. Skin shows transverse wrinkles.
1137.

Which one of the following genus of insects prefer to breed in clean water and their larvae lie parallel to the surface of waterA. AnophelesB. culexC. AedesD. Phlebotomus

Answer» Correct Answer - A
Aedes prefer to breed in clean water and its larvae lie parallel to surface of water.
1138.

Main cavity in the body of Hydra is calledA. Gastrovascular cavityB. SchizoncoelC. HaemocoelD. Pseudocoelom

Answer» Correct Answer - A
(a) Body cavity of hydra is called coelenteron or gastrovascular cavity. It is surrounded by the body wall the mouth leads into this cavity.
1139.

The nitrogeneous metabolic waste in Hydra mostlyA. Ammonia and is removed from whole surface of bodyB. Urea and is removed mainly by tentaclesC. Urea and is removed from whole surface of bodyD. Uric acid and is removed from whole surface of body

Answer» Correct Answer - A
(a) In Hydra the exchange of oxygen and `CO_(2)` and the excretion of waste nitrogeneous matter (chiefly ammonia) occur directly by diffusion through cell membrance to outside.
1140.

What is common between earthworm and Periplaneta?A. Both have red coloured blood.B. Both posses anal stylesC. Both have Malpighian tubulesD. Both have segmented body

Answer» Correct Answer - D
Both earthworm (annelid) and Periplaneta (arthropod) have segmented while in Periplaneta, it is externally segmented.
1141.

Larva of jelly fish (Aurelia)A. PlanulaB. PolypC. MedusaD. Blastula

Answer» Correct Answer - A
1142.

Jelly fish is placed in which class of coelenterataA. AnthozoaB. ScyphozoaC. HydrozoaD. None of the above

Answer» Correct Answer - B
(b) Jelly-fishes (Aurelia) are the animals which belong to the class scyphozoa of the phylum coelenterata.
1143.

Salamandra is aA. Tailed amphibianB. Tail- less amphibianC. Limbless amphibianD. Reptiles

Answer» Correct Answer - A
1144.

Salamandra belongs to which classA. TetrapodaB. AmphibiaC. ReptiliaD. Pisces

Answer» Correct Answer - B
Salamandra belongs to class amphibia.
1145.

Whch of the following is/are poikilothermic?A. FishesB. AmphibiansC. ReptilesD. All of the above

Answer» Correct Answer - D
Fishes, amphibians and reptiles are poikilothermic.
1146.

Fire- belied toad isA. AmphiumaB. NecturusC. SalamandraD. Bombinator

Answer» Correct Answer - D
(d) Bombinator is a small sized amphibian found in Europe it is commonly known as Fire belied toad
1147.

Which one of the following statements about certain given animals is correct?A. Flat worms (platyhelminthese) are coelomatesB. Round worms (aschelminthes) are pseudocoelomatesC. Molluscs are acoelomatesD. Insectsare pseudocoelomates

Answer» Correct Answer - b
1148.

Connecting link between cartilaginous and bony fishes isA. CatlaB. ChimaeraC. ProtopterusD. Torpedo

Answer» Correct Answer - B
1149.

Which of the following is characteristic feature of fishes.A. Tail and venous heartB. Venous heart and gillsC. Epidermal scales and tailD. Epidermal scales and gills

Answer» Correct Answer - B
1150.

Which of the following animals is not viviparous?A. WhaleB. Flying fox (Bat)C. ElephantD. Platypus

Answer» Correct Answer - D