STD 12 - 7. human health and disease — NEET STD 11 Science — Question

The first meiotic division in the oogonium is completed when the egg is within the

The joint between skull and atlas which allows nodding movement is called

Which of the following work as phagocytes

Mark the given statements True (T) or False (F).
(i) William Harvey discovered blood circulation and disproved 'bad humor' hypothesis of health.
(ii) Health is defined as a state of complete physical, mental and social well-being.
(ii) Disease causing organisms are called pathogen.
(iv) Salmonella typhi bacterium causes typhoid fever in humans.
(v) Sustained high fever, weakness, stomach pain, constipation, headache and loss of appetite are common symptom of influenza disease.
(vi) Typhoid fever is confirmed by widal test.
(vii) A classical case in medicine in spread of typhoid by a female named Mary mallon nicknamed Typhoid Mary has been reported.
(viii) Bacteria like Streptococcus pneumoniae and Haemophilus influenzae are responsible for the disease pneumonia in humans infects alveoli.
(ix) Rhino viruses cause most common infectious human ailments common cold, which usually last for 3-7 days.
(x) Different species of Plasmodium: P. Vivax, P. Malaria and P.Falciparum are responsible for causing malaria. Malignant malaria is caused by P. Vivax.
(xi) Plasmodium enters human body as sporozoites through bite of infected female anopheles mosquito.
(xii) During malaria, the rupture of RBCs is associated with release of toxic subastance haemozoin.
(xiii) In malaria the Plasmodium parasite reproduces sexually in liver cells and forms gametocytes (sexual stage) in RBCs in humans.
Choose the correct option given below :-

Select the correct sequence of transport of sperm cells in male reproductive system

Largest endocrine gland is

In man, the kidneys are

In most of the mammals the testes are situated outside the abdominal cavity because