Temporary blindness is caused in the eye when crystalline lens becomes
(a) transparent
(b) translucent
(c) opaque
(d) porous

Q. Match the following.

$\begin{array}{cc}\text{Eye diseases}& \text{Defect}\\ \text{(1) Glaucoma}& \text{(A) an infection in the layer of the eye which causes inflammation}\\ \text{(2) Colour blindness}& \text{(B) increased pressure in the eye which causes damage to the optic nerve}\\ \text{(3) Conjunctivitis}& \text{(C) lens of the eye becomes opaque resulting in blindness}\\ \text{(4) Cataract}& \text{(D) inability to distinguish between colours due to defect in photoreceptors}\end{array}$

Q. Wooden objects are
(a) transparent
(b) translucent
(c) opaque
(d) soluble

Q. Ma'am , when I was watching a video about transparent, opaque and translucent , they were telling when we are taking tissue paper it is opaque but when we put water above, it becomes translucent..when I was taking test for this chapter , I got a question and I typed transparent. But it was correct answer, and was showing solution transparency .. so my doubt is what is the difference between transparent and transparency ?

Q. Oiled paper and muddy water are
(a) transparent
(b) translucent
(c) opaque
(d) none of these

Q. Objects which do not allow light to pass through them are called
(a) transparent
(b) translucent
(c) opaque
(d) all the above