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This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
2051. |
What dose "a" and "b" indicate in the given diagram ? |
A. | a = Dendrite; b = Nissl's granule |
B. | a = Axon fibres ; b = Nucleus |
C. | a = Axon fibres ; b = Mitochondria |
D. | None of the given |
Answer» E. | |
2052. |
What is correct in context with neuron ? |
A. | Nissl's granule present in it are acidic |
B. | It's cytoplam is restricted to only cyton |
C. | Each neuron has one axon and one dendron |
D. | Cyton possesses large nucleus |
Answer» E. | |
2053. |
In which animal neverous system consist of brain, ganglion and nerve fiber ? |
A. | Tape-worm |
B. | Liver-Fluke |
C. | Ascaris |
D. | Allof the given |
Answer» D. Allof the given | |
2054. |
That is correct for unstimulated nerve- fibre ? |
A. | Resting potential |
B. | Action potential |
C. | Repolarization |
D. | Depolarization |
Answer» B. Action potential | |
2055. |
In which animal nervous system is in the form of nerve-net ? |
A. | Leucosolania |
B. | Liver-Fluke |
C. | Planaria |
D. | Hydra |
Answer» E. | |
2056. |
What is correct for the resting potential |
A. | On innerside of plasma membrane + ve charge & outerside -ve charge is found |
B. | On outerside Na+ concentrartion is less ,on innersde k + concentrtion is less |
C. | On outerside a plasma membrane + ve charge and innerside is -ve charge |
D. | Electrically it is neutral in resting stage. |
Answer» D. Electrically it is neutral in resting stage. | |
2057. |
which option shows correctly matched pairs for the column I and Column II ? |
A. | (P-iii), (Q-i), (R-ii) |
B. | (P-ii), (Q-i), (R-iii) |
C. | (P-iii), (Q-ii), (R-i) |
D. | (P-ii), (Q-iii), (R-ii) |
Answer» B. (P-ii), (Q-i), (R-iii) | |
2058. |
Which option indicates correct chronology of the changes occuring during transmission of nerve impulse ? |
A. | Nerve fibre - depolarization - action polential - repolarization - activation of Na+ and K+ pump |
B. | Nerve fibre - depolarization - action polential - activation of Na+ and K+ pump - repolarization |
C. | Nerve fiber - depolarization - repolarization - action polential - activation of Na+ and K+ pump |
D. | Nerve fiber - Activation of Na + and K+ pump - depolarization - repolarization - |
Answer» B. Nerve fibre - depolarization - action polential - activation of Na+ and K+ pump - repolarization | |
2059. |
What does "b" and "c" indicate in the given diagram in question no 4? |
A. | b = Synapse; c = dendrite |
B. | c = Synapse; c = Axon fibres |
C. | b = axon c = dendrit |
D. | b = Synaptic bulb; c = Motor nerve |
Answer» D. b = Synaptic bulb; c = Motor nerve | |
2060. |
Which of the following generally transumit nerve inpulse only to the cyton ? |
A. | Axon |
B. | Dendrite |
C. | Synaptic knob |
D. | Node of Ranvier |
Answer» C. Synaptic knob | |
2061. |
What does a and b indicate in the given diagram ? |
A. | Synaptic cleft |
B. | Synase between axon |
C. | Synapse between axon and dendron |
D. | Synapse - between two dendrite |
Answer» D. Synapse - between two dendrite | |
2062. |
Which option is correct for the correctly matched groups for the column i;column ii and column |
A. | (a-iv-f) (b-iii-e) (c-ii-h) (d-i-g) |
B. | (a-iv-e) (b-iii-f) (c-ii-g) (d-i-h) |
C. | (a-iii-e) (b-iv-f) (c-i-h) (d-ii-g) |
D. | (a-ii-h) (b-i-g) (c-iii-e) (d-iv-f) |
Answer» D. (a-ii-h) (b-i-g) (c-iii-e) (d-iv-f) | |
2063. |
What does given diagram show ? where is it found ? |
A. | Unipolarneuron in spinal cord |
B. | Bipolar neuron ; in eye of human |
C. | Unipolar neuron; In embroynic stage |
D. | Unipolar neuron in eye of human |
Answer» C. Unipolar neuron; In embroynic stage | |
2064. |
What type of process the transmission of nerve impluse is ? |
A. | Electromagnetic |
B. | Electro -chemical |
C. | only Elecrical |
D. | only Magnetic |
Answer» C. only Elecrical | |
2065. |
In context with conduction of nerve impulse,what is the function of ion channels ? |
A. | Maintenance and change in electric potential |
B. | Transport of ions against diffusion gradient |
C. | Transport of Na+ ion to the innerside of a the membrane |
D. | All of the given |
Answer» E. | |
2066. |
Which of the following is used to measure membrane potential ? |
A. | Sphigmomanometer |
B. | Thermometer |
C. | Voltmeter |
D. | Galvanometer |
Answer» D. Galvanometer | |
2067. |
Which of the following option is not correct for the region labelled as "a" in the given diagram. |
A. | White and fatty compound |
B. | It is Conductive |
C. | Region without it called node of Ranvier |
D. | It is responsible for saltatary conduction |
Answer» C. Region without it called node of Ranvier | |
2068. |
Which of the given option is correct for autonomous nervous system ? |
A. | In it medullary sheath is very well developed |
B. | Node of Ranvier is present in it. |
C. | It is part of CNS |
D. | It's nerve do not travel for longer distance in body |
Answer» E. | |
2069. |
The transfer of ion through ion channel is (a) and (b) |
A. | a = Bidirectional, b= selectively permeable |
B. | a =Unidirectional, b= permeable |
C. | a = Bidirectional , b= semi permeable |
D. | a = Unidirectional, b= selectively permeable |
Answer» B. a =Unidirectional, b= permeable | |
2070. |
When sodium and potassium pump is activated, for (a) Na+ ion, (b) K+ ion are exchanged ? |
A. | a = one , b= two |
B. | a = two, b= four |
C. | a = two , b= three |
D. | a = one, b= three |
Answer» D. a = one, b= three | |
2071. |
What is the swollen, structure present at terminal end of each branch of nerve cell called ? |
A. | Synaptic cleft |
B. | synaptic vessicle |
C. | synapse |
D. | synaptic knob |
Answer» E. | |
2072. |
Which microbes cause syphilis ? |
A. | Neisseria gonorrhoeae |
B. | Treponema pollidium |
C. | Herpis simplex |
D. | Tricomonas vaginalis |
Answer» C. Herpis simplex | |
2073. |
Which part is removed in tubectorny ? |
A. | Funnel of fellopian tube |
B. | Ovaries |
C. | Fallopian tube |
D. | Uterus |
Answer» D. Uterus | |
2074. |
Which diseases is diagnosed through ELISA Test ? |
A. | Gonorrhoea |
B. | Syphilis |
C. | AIDS |
D. | Herpes |
Answer» D. Herpes | |
2075. |
What are sexually trasmitted diseases ? |
A. | Diseases transmitted through sexual intercourse are collectively known as... |
B. | Diseases spread through bacteria. |
C. | Diseases spread through virus. |
D. | Diseases spread through protozoans. |
Answer» B. Diseases spread through bacteria. | |
2076. |
Which method is mismatchen ART ? |
A. | IVF |
B. | AFT |
C. | ZIFT |
D. | GIFT |
Answer» C. ZIFT | |
2077. |
In which of the following Induced Abortion is not neccessory ? |
A. | There is substaintial risk the child being born with serious handicaps. |
B. | Where the pregnancy is the result of rape |
C. | When the foetus is not of desired sex. |
D. | Unwanted pregnancy. |
Answer» D. Unwanted pregnancy. | |
2078. |
Which microbes cause gonorrhoead ? |
A. | Neisseria gonorrhoeae |
B. | Treponema pollidium |
C. | Herpis simplex |
D. | Tricomonas vaginatis |
Answer» B. Treponema pollidium | |
2079. |
Which are the principles to prevent STD diseases ? |
A. | Avoid sex with umknown persons |
B. | Always use condom during coitus |
C. | In case of doubt consult a doctor and get treatment if the disease is diagnosed |
D. | All above |
Answer» E. | |
2080. |
What is the rate of induced abortion per year across the world in numbers ? |
A. | 45 to 48 million |
B. | 55 to 60 millions |
C. | 45 to 50 millions |
D. | 55 to 58 millions |
Answer» D. 55 to 58 millions | |
2081. |
When did Induced abortion act was passed by Indian Government ? |
A. | 1970 |
B. | 1971 |
C. | 1972 |
D. | 1980 |
Answer» C. 1972 | |
2082. |
RQ = l, is |
A. | The multiplication O2 consumed O2 and released CQ2 |
B. | The amount of O2, consumed and CO2 released are the same |
C. | One CO2 molecule more released than O2 molecule consumed |
D. | One O2 molecule more consumed than CO2 molecules released |
Answer» C. One CO2 molecule more released than O2 molecule consumed | |
2083. |
Which microbes causes sexually transmitted diseases ? |
A. | Bacteria and virus. |
B. | Protozoans and Fungi. |
C. | Nematods & viroids. |
D. | Both a and b. |
Answer» E. | |
2084. |
Out of following which is the symptom of Trichomoniasis ? |
A. | Fever and itching |
B. | Itching in and around vagina. |
C. | Liquid around vagina |
D. | weight loss. |
Answer» C. Liquid around vagina | |
2085. |
In Vasectomy which part is tied and cut ? |
A. | Epididydermis |
B. | Vas deferens |
C. | Ejeculatory duct |
D. | Urinogenitial duct |
Answer» C. Ejeculatory duct | |
2086. |
Give full form of ELISA ? |
A. | Enzyme Linked Immuno Absorbant Assay |
B. | Enzyme Linking Immuno Assay |
C. | Enzyme Live Implantations Assay |
D. | Enzyme Live Immuno Absorbant |
Answer» B. Enzyme Linking Immuno Assay | |
2087. |
Match following coloumns according to thair age group and amount of sexually transmitted diseases. |
A. | P-iii, Q-iv, R-i, S-ii |
B. | P-ii, Q-iv, R-i, S-iii |
C. | P-ii, Q-iv, R-i,S-iii |
D. | P-ii, Q-iii, R-iv, S-i |
Answer» D. P-ii, Q-iii, R-iv, S-i | |
2088. |
What is the meaning of infertility ? |
A. | Unable the produce sperms. |
B. | Unable to produce ova. |
C. | Unable the produce children |
D. | Unable for coitus. |
Answer» D. Unable for coitus. | |
2089. |
When did 'Induced abortion act' came in to force by Government of India ? |
A. | 1st April 1971 |
B. | 1st April 1972 |
C. | 1st April 1973 |
D. | 1st April 1974 |
Answer» C. 1st April 1973 | |
2090. |
Which are the main method for the diagnosis of STDS ? |
A. | By detection of antibodies in blood. |
B. | Identification of pathogen by culturing them |
C. | Through a short polynucleotide chain of pathogenic organism |
D. | With the help of Primer |
Answer» C. Through a short polynucleotide chain of pathogenic organism | |
2091. |
Which procedure is used in prenatal diagnosis of chromosomal abnormalities ? |
A. | AFT |
B. | ART |
C. | IVF |
D. | ZIFT. |
Answer» B. ART | |
2092. |
What is the full form of PCR ? |
A. | Primary Chain Reaction |
B. | Polymerase Chain Reaction |
C. | Polymerase Cytosine Reaction |
D. | Primary Cytosine Reaction |
Answer» C. Polymerase Cytosine Reaction | |
2093. |
Which are the problems related to the legal induced abortions ? |
A. | Emotional and moral |
B. | Redigiation and social |
C. | Mental and physical |
D. | Both a and b. |
Answer» E. | |
2094. |
What do you mean induced abortion ? |
A. | Voluntary termination of pregnancy after foetus become viable |
B. | Voluntary termination of pregnancy before foetus become viable. |
C. | Foetus removed at imcomplete gestation months. |
D. | Accidently foetus is lost . |
Answer» C. Foetus removed at imcomplete gestation months. | |
2095. |
Formation of ATPs in mitochondria is known as |
A. | Oxidative phosphorylation |
B. | Cyclic photophosphorylation |
C. | Noncyclic photophosphorylatian |
D. | Fermentation |
Answer» B. Cyclic photophosphorylation | |
2096. |
How many pathogenss cause sexually trasmitted diseases through contacts ? |
A. | More than 20 |
B. | Less than 20 |
C. | More than 25 |
D. | Less than 25 |
Answer» B. Less than 20 | |
2097. |
Which diseases is diagnosed by the identification of antibiodies against antigen ? |
A. | Gonorrhoea |
B. | Syphilis |
C. | Hepatitis |
D. | AIDS |
Answer» E. | |
2098. |
Net gain of glycolysis is |
A. | 3 ATP and 1 NADH + H+ |
B. | 2 ATP and 2 NADH + H+ |
C. | 6 ATP and 4 NADH + H+ |
D. | 10 ATP and 6 NADH + H+ |
Answer» C. 6 ATP and 4 NADH + H+ | |
2099. |
In plant tissue culture due to which process volume of the medium is decrecse... |
A. | To manage the 24oc temperature for the explant. |
B. | Due to air exchange. |
C. | Due to evoperation. |
D. | Rotates over in rotary shaker. |
Answer» D. Rotates over in rotary shaker. | |
2100. |
Krebs cycle starts with the condensation of acetyl CoA with |
A. | Pyruvic aicd |
B. | Oxalo-acetic acid |
C. | Malic acid |
D. | Citric acid |
Answer» C. Malic acid | |