Description : A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when (a) the sporozoites released from RBCs are being rapidly killed and broken down ... to enter fresh RBCs (d) the microgametocytes and megagametocytes are being destroyed by the WBCs
Last Answer : (c) the parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs
Description : The ________form of the malarial parasite enters the human blood while The_____ enters the mosquito. a. Sporozoites; Merozoites b. Merozoites; Gametocytes c. Merozoites; Sporozoites d. Sporozoites; Gametocytes
Last Answer : d. Sporozoites; Gametocytes
Description : The infective stage of malarial parasite, Plasmodium that enters human body is (a) merozoite (b) sporozoite (c) trophozoite (d) minuta form.
Last Answer : b) sporozoite
Description : Where will you look for the sporozoites of the malarial parasite? (a) Saliva of infected female Anopheles mosquito (b) Red blood corpuscles of human suffering from malaria (c) Spleen of infected humans (d) Salivary glands of freshy moulted female Anopheles mosquito
Last Answer : (a) Saliva of infected female Anopheles mosquito
Description : How does plasmodium enters the body of a mosquito?
Last Answer : It is carried through a female Anopheles mosquito from a patient of malaria.
Description : Q3. The sporozoites that cause infection when a female Anopheles mosquito bites a person, are formed in a. Liver of the person b. RBCs of mosquito c. Salivary glands of mosquito d. Gut of mosquito.
Last Answer : 3. (c) salivary glands of mosquito
Description : Schizont stage of Plasmodium occurs in human (a) erythrocytes (b) liver cells (c) erythrocytes and liver cells (d) erythrocytes, liver cells and spleen cells
Last Answer : (c) erythrocytes and liver cells
Description : Motile zygote of Plasmodium occurs in (a) gut of female Anopheles (b) salivary glands of Anopheles (c) human RBCs (d) human liver
Last Answer : (a) gut of female Anopheles
Description : 96. Motile zygote of Plasmodium occurs in (1) Human liver (2) Gut of female Anopheles (3) Salivary glands of Anopheles (4) Human RBCs
Last Answer : Gut of female Anopheles
Description : _____ which are free-living trophozoites appear to enter the body through the mucous membranes of the nose and then follow the olfactory tracts to the brain. a. NaegleriaLeishmania b. Giardia c. Babesia
Last Answer : a. NaegleriaLeishmania
Description : Which one of the following options gives the correct match of a disease with its causative organism and mode of infection? Disease Causative Mode of organism infection (a) Typhoid Salmonella ... infected bancrofti water and food (d) Malaria Plasmodium Bite of male vivax Anopheles mosquito
Last Answer : (a) Typhoid Salmonella With inspired typhi air
Description : The part of life cycle of malarial parasite Plasmodium vivax, that is passed in female Anopheles is (a) sexual cycle (b) pre-erythrocytic schizogony (c) exoerythrocytic schizogony (d) post-erythrocytic schizogony.
Last Answer : (a) sexual cycle
Description : Infectious coryza is a disease of B A. Young Chicks B. growing and laying birds C. male chicken only D. None of these
Last Answer : growing and laying birds
Description : Which one of the following is one of the paths followed by air or O2 during respiration in the adult male Periplaneta americana as it enters the animal body? (a) Spiracle in ... prothorax, tracheoles, trachea, oxygen diffuses into cells (d) Hypopharynx, mouth, pharynx, trachea, tissues
Last Answer : (a) Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells
Description : Giardia trophozoites contains B A. One nucleus B. Two nuclei C. Three nuclei D. Four nuclei
Last Answer : Two nuclei
Description : Malaria fever coincides with liberation of (a) cryptomerozoties (b) metacryptomerozoites (c) merozoites (d) trophozoites.
Last Answer : (b) metacryptomerozoites
Description : After treating intestinal amoebiasis with metronidazole, a course of diloxanide furoate is often advised to: A. Cure any subclinical hepatic involvement B. Suppress the symbiotic intestinal flora C. Eradicate luminal cyst forming trophozoites D. Both ‘B’ and ‘C’ are correc
Last Answer : C. Eradicate luminal cyst forming trophozoites
Description : Who discovered Plasmodium in RBC of human beings? (a) Ronald Ross (b) Mendel (c) Laveran (d) Stephens
Last Answer : (c) Laveran
Description : Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and correctly described? (a) Musca domestica - the common ... ) E.coli - full name Entamoeba coli, a commonly occurring bacterium in human intestine.
Last Answer : (b) Plasmodium falciparum - a protozoan pathogen causing the most serious type of malaria
Description : At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) ... large number of helper T - lymphocytes (d) When the viral DNA is produced by reverse transcriptase
Last Answer : (c) When HIV damages large number of helper T - lymphocytes
Description : The following are true about the oxidation of glucose: a. glycolysis produces 3% of the energy ultimately obtained from glucose b. the first stage of glycolysis involves phosphorylation of glucose to 1,6-fructose biphosphate. c. glucose enters the Kreb's cycle as pyruvate d. all above
Last Answer : all above
Description : The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for ... detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)
Last Answer : Answer: a, b, c, d Although the classic detection of infection based on clinical signs of infection and bacterial culture remain the most common clinical tools, increasing ... including CMV and HIV. Furthermore, preliminary investigations into possible detection of fungal pathogens are underway
Description : Which of the following statements regarding the transmission of infectious agents through blood transfusions is/are true? A. The transmission rates for human immunodeficiency virus (HIV) ... patients (such as patients undergoing transplantation) should receive specially screened blood products.
Last Answer : Answer: ABCD DISCUSSION: The incidence of both HIV and hepatitis transmitted via blood transfusions has been steadily decreasing since the 1980s. This is related to improved ... , severely compromised patients such as those undergoing transplantation should receive CMV-negative blood products
Description : Which one of the following statements about prions is FALSE? a. Prions are infectious proteins. b. Prions have caused disease in Americans. c. Human disease is called variant CJD. d. Prions can be transmitted to humans from infected beef.
Last Answer : d. Prions can be transmitted to humans from infected beef.
Description : In human beings, the statistical probability of getting either a male or female child is 50 : 50. Give a suitable explanation. -Biology
Last Answer : If a Y bearing sperm fertilizes the egg, the zygote will be a male (XY) and when X bearing sperm fertilizes the egg, the resulting zygote will be female (XX). Since the ratio of the X chromosome ... in a male gamete is 50:50. The statistical probability of male or female infants is also 50:50.
Description : List all homologous structure of human male and female reproductive system. -Biology
Last Answer : answer:
Description : In the urinogenital organs of human which one of following part is present in male but not in female
Last Answer : In the urinogenital organs of human which one of following part is present in male but not in female ... B. Fallopian tube C. Vagina D. Vas deferena.
Last Answer : In the urinogenital organs of human which one of following part is present in male but not in female ... B. Fallopian tube C. Vagina D. Vasa deferens
Description : How can you tell if a female dog has had sexual inner course with male human?
Last Answer : Need answer
Description : Which one of the following symbols and its representation, used in human pedigree analysis is correct? (a) Mating between relatives (b) Unaffected male (c) Unaffected female (d) Male affected
Last Answer : (a) Mating between relatives
Description : .A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.
Last Answer : (a) has 45 chromosomes with XO
Description : Ureters act as urinogenital ducts in (a) human males (b) human females (c) both male and female frogs (d) male frogs.
Last Answer : (c) both male and female frogs
Description : 2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell
Last Answer : b) sperm cell
Description : Which of the following is TRUE about syphilis: A. The spirochetes disseminate rapidly throughout the body within 24hour after contact B. Both the primary chancre and the secondary mucous patch stages of ... Only the lesions of the primary and secondary stages are contagious D. All of the above
Last Answer : D. All of the above
Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .
Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.
Description : .______ enters the human body as a cyst and develops into a trophozoite in the small intestine; a severe form of dysentery may occur. a. Cryptosporidium parvum b. Entamoeba histolytica c. Giardia intestinalis d. Cyclospora cayetanensis
Last Answer : b. Entamoeba histolytica
Description : If a male organism has 40 chromosomes in each body cell how many chromosomes does a female of the same species have in each body cell?
Last Answer : you answer
Description : 'Barr body' is found in - (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells
Last Answer : (3) Female somatic cells Explanation: A Barr body is the inactive X chromosome in a female somatic cell in those species in which sex is determined by the presence of the Y or W chromosome rather ... typical human female has only one Barr body per somatic cell, while a typical human male has none.
Description : Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas ... D and E (b) B, C and E (c) A, C and D (d) B, C and D
Last Answer : (a) A, D and E
Description : ‘Barr body’ is found in (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells
Last Answer : Female somatic cells
Description : (i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology
Last Answer : (i)In humans, the fertilisation of ovum takes place in ampullary-isthmic junction of Fallopian tube. The events that occur during the process of fertilisation are: (a) The sperm reaches the ... endometrium of the uterus. This is called implantation.(iii) Blastocyst stage implants in the uterus.
Description : Name the embryonic stage that gets implanted in the uterine wall of a human female. -Biology
Last Answer : Blastocyst gets implanted in the uterine wall.
Description : Assertion : Plasmodium vivax is responsible for malaria. Reason : Malaria is caused by polluted water.
Last Answer : Assertion : Plasmodium vivax is responsible for malaria. Reason : Malaria is caused by polluted water. ... If both the assertion and reason are false
Description : Man in the life cycle of Plasmodium is (a) Primary host (b) Secondary host (c) Intermediate host (d) None of these
Last Answer : Ans:(b)
Description : "Slipper animalcule" is the common name for: (1) Paramecium (2) Tiypanosoma (3) Monocystis (4) Plasmodium
Last Answer : (1) Paramecium Explanation: "Animalcule" is a old term for a microorganism; it just means "small animal". A paramecium is shaped somewhat like a slipper (a soft shoe), so ... Proteus animalcule; Noctiluca scintillans, commonly called the 'SeaSparkles'; Rotifers, called wheel animalcules, etc.
Description : Dengue Fever is also called------? A. Black Fever B. Breakbone Fever (Answer) C. Plasmodium Fever D. Remittent Fever
Last Answer : B. Breakbone Fever (Answer)
Description : In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these ... ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)
Last Answer : (d) (ii) and (iv)
Description : A bite of tse-tse fly may pass to humans (a) Leishmania donovani (b) Trypanosoma gambiense (c) Entamoeba histolytica (d) Plasmodium vivax.
Last Answer : (b) Trypanosoma gambiense
Description : Malignant tertian malarial parasite, belongs to class (a) Plasmodium falciparum (b) P. vivax (c) P. ovale (d) P. malariae.
Last Answer : (a) Plasmodium falciparum
Description : African sleeping sickness is due to (a) Plasmodium vivax transmitted by tse-tse fly (b) Trypanosoma lewsii transmitted by bed bug (c) Trypanosoma gambiense transmitted by Glossina palpalis (d) Entamoeba gingivalis spread by housefly
Last Answer : (c) Trypanosoma gambiense transmitted by Glossina palpalis