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1351.

Which one of the following life cycle stage of liver Fluke is infective to the intermediate hostA. MetacercariaB. MiracidiaC. SporocystD. Cercaria

Answer» Correct Answer - B
Miracidia is life cycle stage of liver fluke is infective to the intermediate host.
1352.

Echinococcus is an example ofA. NemathelminthesB. PlatyhelminthesC. BacteriaD. Protista

Answer» Correct Answer - B
Echinococcus is an example of platyhelminthes.
1353.

Echinoderms and chordates haveA. PseudocoelB. ShizocoelomC. EnterocoelomD. Hemocoel

Answer» Correct Answer - C
1354.

Assertion. Many deep sea fishes are luminscent. Reason. They use light flashes to attract prey or mate and to startle predators.A. If both A and B are true and R is the correct explanation of AB. If both A and R are true but R is not the correct explanation of AC. If A is true but R is falseD. If both A and R are false

Answer» Correct Answer - A
1355.

Ticks and mites are actuallyA. arachnidsB. crustaceansC. insectsD. myriapods

Answer» Correct Answer - A
1356.

Which fish has an electric organ?A. TorpedoB. PristisC. TrygonD. Carcharodon

Answer» Correct Answer - A
1357.

Praying mantis is a good example ofA. Social insectsB. CamouflageC. Mullerian mimicryD. Warning colouration

Answer» Correct Answer - B
1358.

Animals have the innate ability to escape from predation Examples for the same are given below. Select the incorrect exampleA. Colour change in chamaeleonB. Enlargement of body size br swallowing air in puffer fishC. Poison frangs in snakesD. Melanism in moths

Answer» Correct Answer - C
1359.

Which one of the following animal belongs to class crustaceaA. CockroachB. CyclopsC. GrasshoperD. Mosquito

Answer» Correct Answer - B
1360.

Which one of the following correctly describes the location of some body parts in the earthworm PheretimaA. Two pairs of accessory glands in 16-18 segmentsB. Four pairs of spermathecae in 4-7 segmentsC. One pair of ovaries attached at intersegmental septum of `14^(th)` and `15^(th)` segmentsD. Two pairs of testes in `10^(th)` and `11^(th)` segments

Answer» Correct Answer - D
1361.

A: Thyphlosole is the characteristic dorsal median fold in the intestine of earthworm. R: Typhlosole secretes intestinal juice containing digestive enzymes.A. IF both assertion & Reason are true and the rason is the correct explanation of the assertionB. If both assertion & reason are true but the reason is not the correct explanation of the assertion, then markC. If assertion is true statement but reason is false, then markD. if both assertion and reason are false statement

Answer» Correct Answer - C
1362.

Which one of the following is common in silver fish, scorpion, dragonfly and prawn?A. Three pairs of legs and segmented bodyB. Chitinous cuticle and two pairs of antennaeC. Jointed appendages and chitinous exoskeletonD. Cephalothorax andtracheae

Answer» Correct Answer - C
1363.

[A] : Protozoans have no physiological division of labour . [R] : They have a well developed cell , tissue and tissue organ system .A. If both A and R are true and R is the correct explanation of AB. If both A and R are true but R is not the correct explanation of AC. If A is true and R is falseD. If both A and R are false

Answer» Correct Answer - D
1364.

Open ciruclartory system is not of physiological hindrance in Cockroach becauseA. Heart is simple but chamberedB. Blood is colourlessC. Circulartory and respiratory systems are not conncetedD. Excretion occurs through malpighian by the

Answer» Correct Answer - C
1365.

Mention 3 characters of a spider in which it differs from an insect.

Answer» Two body divisions `:` cephalothroax and abdomen, both unsegmented, lack of antennae and wings , and four pairs of legs.
1366.

How many legs a scorpion and a spider have ?

Answer» Four pairs in both.
1367.

Spider prepare the web with the help toA. LagsB. MouthC. SpinneretsD. Salivary glands

Answer» Correct Answer - C
1368.

In the life cycle of mosquito, comma-shaped stage isA. Larval stageB. Pupal stageC. Imago stageD. None of these

Answer» Correct Answer - B
(c) Ichthyophis is a limbless amphibian of 15-22 cm length that lives in burrows in moist soil
1369.

In molluscs, gills (feather-like) have theA. Respiratory and circulatory functionsB. Circulatory and excretory functionsC. Exretory and respiratory functionsD. Exretory,respiratory and circulatory functions

Answer» Correct Answer - C
In mollusca gills (feather-like) has excretory and respiratory functions.
1370.

Assertion : Lophodont dentition is also found in the mammals Reason : Lophodont type of dentition is specially for herbivore mammalsA. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false

Answer» Correct Answer - B
In lophodont condtion, found in elephants, there is an intricate folding of enamel and dentine. Cresentic enamel cusps are connected by several transverse ridges called lophos. A single large lophodont molar, 30 cm by 10 cm, is present at one time in each half of each jaw. These are adapted to grind all sorts of plants, including grasses.
1371.

Which of the features is not present in amphibia?A. Scales are presentB. Most of them have two pairs of limbs for locomotionC. Eye have eyelidsD. Organisms are cold-blooded

Answer» Correct Answer - A
1372.

The type of dentition in Crocodile isA. AcrodontB. BunodontC. PleurodontD. The codont

Answer» Correct Answer - D
(d) Crocodile is a carnivorous and feeds on fish, aquatic birds and mammals. It has the codont teeth.
1373.

Which one of the animal of amphibia has no tongueA. AmphiumaB. IchthyophisC. NecturusD. Salamander

Answer» Correct Answer - B
Icthyophis is a limbless amphibian showing parental care. It has no tongue
1374.

Quill feathers at the base of quill wings are calledA. RemigesB. BarbulesC. CovertsD. Down feathers

Answer» Correct Answer - C
(c) Coverts are small feathers similar to quills meant for filling gaps on the wings and tail
1375.

Bird vertebrae areA. acoelousB. heterocoelousC. amphicoelousD. procoelous

Answer» Correct Answer - B
Bird vertebrae are heterocoelous or saddle shaped.
1376.

Small quill-like feathers at the base of the wing quills areA. CovertsB. Down feathersC. FilplumesD. Barbules.

Answer» Correct Answer - a
1377.

Hairs occur in all mammals except those ofA. RodentiaB. ChiropteraC. PrimataD. Cetacea

Answer» Correct Answer - D
Order-Cetacea of mammals consists of aquatic mammals in which hairs are present only on snout, e.g. porpoise, killer whale, dolphin, blue whale, sperm whale, etc.
1378.

The presence of feathers and power of flight are characteristic feature ofA. AvesB. ReptiliaC. MammalsD. Amphibians

Answer» Correct Answer - A
1379.

Kingfisher is a bird in which the feet areA. scratching typeB. Raptorial typeC. Perching typeD. Wading type

Answer» Correct Answer - D
1380.

Kingfisher is a bird in which the feet areA. wadingB. perchingC. runningD. catching

Answer» Correct Answer - A
Kingfisher is fish-eating bird and its feet are modified for wading. It is grouped into order-Coraciifermers, which comes in family-Alcedinidae.
1381.

Cylindrical bodies, worm-like marine animals belong to the phylum:A. EchinodermataB. MolluscaC. CoelenterataD. hemichordata

Answer» Correct Answer - D
hemichordata
1382.

The body of hemichordates is divided intoA. head, muscular foot and visceral humpB. Head, thorax and abdomenC. Proboscis, collar and trunkD. Proboscis and trunk

Answer» Correct Answer - C
Proboscis, collar and trunk
1383.

The middle part of body of hemichordates is calledA. ProbascisB. TrunkC. CollarD. Thorax

Answer» Correct Answer - C
Collar
1384.

Which of the following set of animals belogns to phylum Echinodermata?A. Ascaris, nereis, echinusB. Cucumaria, adamsia, pinctadaC. Aplysia, antedon, lumulusD. Echinus, asteria, ophiura

Answer» Correct Answer - D
Echinus, asteria, ophiura
1385.

Which one occurs in echinodermataA. Bilateral symmetryB. Radial symmetryC. Porous bodyD. Soft skin

Answer» Correct Answer - B
Musca (house fly) is the carrier of many disease as anthrax, trachoma, diarrhoea , tuberculosis, leprosy, gaugrene , plague , gonorrhoea, typhoid, cholera and dysentery.
1386.

Excretory organs of flatworms/Taenia areA. flame cellsB. protonephridiaC. Malpighian tubulesD. green glands

Answer» Correct Answer - A
Excretory structures of flatworms/Taenia are flame cells. Longitudinal and cross-connecting excretory canals drain fluid from flame cells in each proglottid. Main excretory products are ammonia and fatty acids.
1387.

Kidney of adult rabbit isA. pronephrosB. metanephrosC. mesonephrosD. opisthonephros

Answer» Correct Answer - B
Kidney of adult rabbit is metanephros which is divided into cortex and medulla and its duct is useless. This is most advanced type of kidney found in man and rabbit.
1388.

Which one of the following disease is spread by housefly ?A. FilariasisB. TyphoidC. EncephalitiesD. Dengue fever

Answer» Correct Answer - B
1389.

Which is unrelatedA. Sea CucumberB. Sea StarC. Sea UrchinD. Sea Squid

Answer» Correct Answer - D
1390.

Assertion :Digested and semi-digested food is absorbed by body surface in tapeworms. Reason: Digestive organs are absent in tapeworms.A. If both assertion and reason are true and reason is the correct explanation of assertion.B. If both assertion and reason are true but reason is not the correct explanation of assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.

Answer» Correct Answer - a
The tapeworm does not have alimentary canal because it is an endoparasite. The digested food of the host is diffused directly through the general body surface.
1391.

Cephalization is absent inA. MolluscsB. ArhropodsC. Both a and bD. Echinoderms

Answer» Correct Answer - D
1392.

Assertion : Cephalization is advatageous to an animal Reason : It improves the appearance of the animalA. If both A and B are true and R is the correct explanation of AB. If both A and R are true but R is not the correct explanation of AC. If A is true but R is falseD. If both A and R are false

Answer» Correct Answer - C
1393.

Assertion. Pseudometamerism is found in tapeworms. Reason.Proglottides are budded off from the neckas the worm grows.A. If both A and B are true and R is the correct explanation of AB. If both A and R are true but R is not the correct explanation of AC. If A is true but R is falseD. If both A and R are false

Answer» Correct Answer - B
1394.

Assertion: Bats and whales are classified as mammals. Reason Bats and whales hav four-chambered.A. IF both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. IF the assertion is true but reason is falseD. IF both the assertion and reason are false.

Answer» Correct Answer - B
1395.

Assertion : Bats and whales are classified as mammals Reason : Bats and whales have four-chambered heartA. If both A and B are true and R is the correct explanation of AB. If both A and R are true but R is not the correct explanation of AC. If A is true but R is falseD. If both A and R are false

Answer» Correct Answer - A
1396.

Which one of the following groups of animals is bilaterally symmetrical and triploblasticA. SpongesB. CtenophoresC. Coelenterates ( Cnidarians)D. Aschelminthes (Roundworms )

Answer» Correct Answer - D
1397.

Which one of the following groups of animals is bilaterally symmetrical and triploblasticA. Coelenterates (cnidarians)B. Aschelminthes (roundworms)C. CtenophoresD. Sponges

Answer» Correct Answer - B
Aschelminthes are bilateral symmetrical and triploblastic animals, e.g. Ascaris.
Coelenterates are radially symmetrical and diploblastic animals, e.g. Obelia.
Ctenophores are radially symmetrical and diploblastic animals, e.g. Ctenoplana.
Sponges are asymmetrical or radially symmetrical and diploblastic animals, e.g. Sycon.
1398.

Which one of the following groups of animals is bilaterally symmetrical and triploblasticA. Aschelminthes (roundworms)B. Ctenophores, echinodermsC. SpongesD. Coelenterates (Cnidarians)

Answer» Correct Answer - A
Aschelminthes (roundworms)
1399.

Which one of the following groups of animals is bilaterally symmetrical and triploblastic ?A. spongesB. coelenterates (cnidarians)C. aschelminthes (round worms)D. ctenophores

Answer» Correct Answer - c
1400.

Which of the following statement is / are correct with regard to Deuterostomes ? (a) The blastopore develops into anus in adult. (b) The balstopore develop into mouth in adult. ( c) Cleavage is radial and indeterminate (d) Cleavage is spiral and determinate .A. (a) and ( c)B. (a) and (b)C. (b) and (d)D. (b) and ( c)

Answer» Correct Answer - A