STD 11 - 17. Locomotion and movement — NEET STD 11 Science — Question

Which of the following statements are incorrect for bacterial pneumonia ?
(i) Bacteria like Streptococcus pneumoniae and Haemophilus influenzae are responsible for the disease in humans.
(ii) Pathogen infects the alveoli of the lungs.
(iii) As a result of the infection, the alveoli get filled with fluid leading to severe problems in respiration.
(iv) The symptoms include fever, chill, cough and headache.
(v) Intestinal perforation and death may occur in severe cases.
(vi) A healthy person acquires the infection by inhaling the droplets/aerosols released by an infected person.
(vii) A person can also acquire the infection by sharing glasses and utensils with an infected person.

Sea anemone belongs to phylum

Birds fly with the help of

The sex chromosomes in females are

Chief distinguishing features of the mammals are

For obtaining hybrid ratio which characters of the plant are taken into account

Given below are two statements
Statement I:
For plants the earliest systems of classification used only gross superficial morphological characters such as habit, colour, number and shape of leaves etc.
Statement II:
Natural classification systems were based on natural affinities among the organisms and consider, not only external features, but also internal features, like ultrastructure, anatomy, embryology and phytochemistry.
Choose the correct answer from the option given below:

The junction between the axon of one neuron and the dendrite of the next is called

The special contractile protein actin is found in