Every question from past board papers on Biology and Human Welfare, newest paper first. Open any question for its full worked answer.
Which are correct:
A. Computed tomography and magnetic resonance imaging detect cancers of internal organs.
B. Chemotherapeutics drugs are used to kill non-cancerous cells.
C. α-interferon activate the cancer patients' immune system and helps in destroying the tumour.
D. Chemotherapeutic drugs are biological response modifiers.
E. In the case of leukaemia blood cell counts are decreased.
Choose the correct answer from the options given below:
Neoplastic characteristics of cells refer to :
A. A mass of proliferating cell
B. Rapid growth of cells
C. Invasion and damage to the surrounding tissue
D. Those confined to original location
Choose the correct answer from the options given below:
Identify the statement that is NOT correct.
After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) / tissue(s) like:
A. thymus B. bone marrow C. spleen D. lymph nodes E. Peyer's patches
Choose the correct answer from the options given below:
Which of the following type of immunity is present at the time of birth and is a non-specific type of defence in the human body?
Match List I with List II :
List I:
A. Cocaine
B. Heroin
C. Morphine
D. Marijuana
List II:
I. Effective sedative in surgery
II. Cannabis sativa
III. Erythroxylum
IV. Papaver somniferum
Choose the correct answer from the options given below :
Match List I with List II :
List I:
A. Common cold
B. Haemozoin
C. Widal test
D. Allergy
List II:
I. Plasmodium
II. Typhoid
III. Rhinoviruses
IV. Dust mites
Choose the correct answer from the options given below :
Match List I with List II :
List I:
A. Typhoid
B. Leishmaniasis
C. Ringworm
D. Filariasis
List II:
I. Fungus
II. Nematode
III. Protozoa
IV. Bacteria
Choose the correct answer from the options given below :
Which of the following are Autoimmune disorders?
A. Myasthenia gravis
B. Rheumatoid arthritis
C. Gout
D. Muscular dystrophy
E. Systemic Lupus Erythematosus (SLE)
Choose the most appropriate answer from the options given below :
Given below are two statements :
Statement I : Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.
Statement II : Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes.
In the light of the above statements, choose the most appropriate answer from the options given below :
In which blood corpuscles, the HIV undergoes replication and produces progeny viruses?
Match List I with List II.
List I: A. Heroin; B. Marijuana; C. Cocaine; D. Morphine
List II: I. Effect on cardiovascular system; II. Slow down body function; III. Painkiller; IV. Interfere with transport of dopamine
Choose the correct answer from the options given below:
Match List I with List II.
List I: A. Ringworm; B. Filariasis; C. Malaria; D. Pneumonia
List II: I. Haemophilus influenzae; II. Trichophyton; III. Wuchereria bancrofti; IV. Plasmodium vivax
Choose the correct answer from the options given below:
Given below are two statements :
Statement I :
Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.
Statement II :
Rheumatoid arthritis is a condition where body does not attack self cells.
In the light of the above statements, choose the most appropriate answer from the options given below :
Select the incorrect statement with respect to acquired immunity.
Match List - I with List - II.
List - I / List - II
(a) Filariasis (i) Haemophilus influenzae
(b) Amoebiasis (ii) Trichophyton
(c) Pneumonia (iii) Wuchereria bancrofti
(d) Ringworm (iv) Entamoeba histolytica
Choose the correct answer from the options given below.
Match the following diseases with the causative organism and select the correct option.
Column - I: (a) Typhoid (b) Pneumonia (c) Filariasis (d) Malaria
Column - II: (i) Wuchereria (ii) Plasmodium (iii) Salmonella (iv) Haemophilus
The infectious stage of Plasmodium that enters the human body is :
Identify the wrong statement with reference to immunity.
Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains :
Drug called 'Heroin' is synthesized by :
Which of the following immune responses is responsible for rejection of kidney graft ?
Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
Which of the following is not an autoimmune disease ?
In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels ?
Which part of poppy plant is used to obtain the drug "Smack" ?
Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections ?
MALT constitutes about ______ percent of the lymphoid tissue in human body.
In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to :
Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain :
Which of the following statements is not true for cancer cells in relation to mutations ?
Which of the following is correct regarding AIDS causative agent HIV?
Among the following edible fishes, which one is a marine fish having rich source of omega-3 fatty acids?
Which of the following sets of diseases is caused by bacteria?
