Practice free Zoology NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Which of the following does not hold true for Australopithecus?
NCERT page number 140
7.9 Origin And Evolution of Man, Para-1
Fossil discovered in 1891 in Java around 1.5mya with 900cc brain capacity and probably ate meat. These features are associated with
NCERT page number 140
7.9 Origin And Evolution of Man, Para-1
With brain size of 1400cc, lived in near east and central Asia in between 100000 to 40000 years back, dead body burial, use of caves or hides to protect their body
NCERT page number 141, Para-1
7.9 Origin And Evolution of Man
Which of the following is not true about Homo sapiens?
NCERT page number 141, Para-1
Figure 7.11 A comparison...
7.9 Origin And Evolution of Man
Which human worm infestation are we talking about?
I. In socio-economic impact on the human race, it is second only to Malaria.
II. The worm larva enters the human body by penetrating the skin
III. The worm requires snails as an intermediate host.
IV. In developing countries, it is a common cause of anaemia in children.
This is also called as Schistosomiasis [infection by human blood fluke]
MALT constitutes about..........per cent of the lymphoid tissue in human body.
(a) MALT is mucosa associated lymphoid tissue located with in the lining of the major tracts like respiratory, digestive and urinogenital tracts. It is nearly 50% of the total lymphoid tissue in the human body.
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?
(b) Transplantation of tissue/organs may fail, when that tissue is rejected by the recipients immune system leading to its destruction. Tissue rejection is a function of cell-mediated immune response that involves T-cells.These cells have the ability to distinguish between self and non- self. After the recognition of non-self tissue, the killer T-cells induces apoptosis of the target tissue.
Which of the following sets of diseases is caused by bacteria?
(a) Cholera and tetanus are diseases caused by bacteria. Cholera is caused by a bacterium Vibrio cholerae and tetanus is caused by a bacterium Clostridium tetani.
Mumps, influenza, herpes and smallpox are viral diseases. Typhoid is a bacterial disease but it is not paired with a bacterial disease. Hence, option (a) is correct.
Asthma may be attributed to
(a) Asthma is an allergic reaction characterised by spasm of bronchi muscles because of effect of histamine released by mast cells.
Which of the following immunoglobulins does constitute the largest percentage in human milk?
All types of immunoglobulin are found in human milk. Out of these secretory IgA, a type of immunoglobulin that protects the ears, nose, throat and the gastrointestinal tract, is found in largest amount.
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