STD 11 - 4. Animal kingdom — NEET STD 11 Science — Question

When a heterozygous dominant is crossed with homozygous recessive than ratio of progeny will be

Which of the following organisms is known to form abscesses in human liver, lungs, brain etc.

That part of the brain which is involved in interpreting an input, storing input information and initiating a response in the light of similar past experience is

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in

A normal woman whose father was colourblind. marries a normal man. What kinds of children can be expected and in what proportion?

Excretory organ of crustaceans are:

Metamerism or metameric segmentation is characteristic feature of

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 :-