Accumulation of fluoride in plant leaves causes

What is the color of the organs in the body during cyanosis?

Assertion $A$: Pneumonia is a serious respiratory disease.
Reason $R$: The accumulation of fluid in the alveoli and bronchioles prevents sufficient oxygen from reaching the lungs.
Which option is correct for Assertion $A$ and Reason $R$?

Match the names of diseases listed under Column $I$ with their meanings given under Column $II$,and choose the answer that provides the correct combination.

Column $I$ (Name of disease)	Column $II$ (Meanings)
$(A)$ Jaundice	$(p)$ Allergic inflammation of nose
$(B)$ Stenosis	$(q)$ Loss of motor functions
$(C)$ Rhinitis	$(r)$ Heart valve defect
$(D)$ Paralysis	$(s)$ Increase in bile pigments in the blood
	$(t)$ Septal defect of heart

Anoxia is a condition when:

Assertion $(A):$ $A$ person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations.
Reason $(R):$ Due to low atmospheric pressure at high altitude,the body does not get sufficient oxygen.
In the light of the above statements,choose the correct answer from the options given below.