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question_answer1) Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : The plasmodium often possesses a number of branched "veins". Reason : The position of "veins" remains fixed.
question_answer2) Assertion : Sandfly transmits Kala-azar. Reason : In Kala-azar, the parasite damages the brain.
question_answer3) Assertion : Trichomonas vaginalis causes infection only in women. Reason : Trichomonas buccalis lives in the buccal cavity.
question_answer4) Assertion : The body of sarcodina bears a number of temporary pseudopodia. Reason : New pseudopodia are formed in the direction of locomotion.
question_answer5) Assertion : Amoeba contains a contractile vacuole. Reason : It helps in both digestion and osmoregulation.
question_answer6) Assertion : Amoebiasis is caused by Amoeba. Reason : The protist feeds on red blood corpuscles.
question_answer7) Assertion : All sporozoans are ecotoparasites. Reason : Locomotory organelles are absent.
question_answer8) Assertion : Plasmodium causes disease in female Anopheles mosquitoes. Reason : Female Anopheles mosquitoes feed on human blood.
question_answer9) Assertion : Malarial fever appear at merozoite stage of Plasmodium. Reason : The infective stage of Plasmodium is sporozoite.
question_answer10) Assertion : Schizogony is an asexual reproduction of female Anopheles mosquito. Reason : It takes place only in human liver cells.
question_answer11) Assertion : Erythrocytic merozoites form gametocytes. Reason : Gametocytes are of two types - male and female.
question_answer12) Assertion : The interval between the entry of the sporozoite into human blood and the appearance of the fever is called incubation period. Reason : The incubation period of malaria in man is about 7 days.
question_answer13) Assertion : Paramecium contains two types of nuclei. Reason : Paramecium contains two contractile vacuoles.
question_answer14) Assertion : Balantidium coli lives in colon of human beings, only. Reason : The association is harmless.
question_answer15) Assertion : Euglena is studied as an animal as well as a plant. Reason : Euglena is more an animal than a plant.
question_answer16) Assertion : Protozoa possess contractile vacuoles. Reason : The main function of the vacuole is contraction during digestion.
question_answer17) Assertion : Sexual reproduction in protozoan is not a frequent occurrence. Reason : Sexual reproduction has no significance.
question_answer18) Assertion : There is no vaccination for malaria. Reason : Plasmodium causes malaria.
question_answer19) Assertion : Slime moulds are excellent material for the study of protoplasm. Reason : They lack cell organelles.
question_answer20) Assertion : Slime moulds show alternation of generation. Reason : The sporangia bearing slime moulds represent haplophase.
question_answer21) Assertion : Cellular slime moulds are called communal slime moulds. Reason : They show division of labour.
question_answer22) Assertion : Microcyst of myxamoebae lacks cell wall. Reason : Microcyst is formed in sexual reproduction of slime moulds.
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