1821: Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices.

What are the advantages of OLED displays over Liquid Crystal displays?

1. OLED displays can be fabricated on flexible plastic substrates.
2. Roll-up displays embedded in clothing can be made using OLEDs.
3. Transparent displays are possible using OLEDs.

Select the correct answer using the code given below

(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 3
(d) None of the above statements is correct
1822: In the context of genetic disorders, consider the following:

A woman suffers from colour blindness while her husband does not suffer from it. They have a son and a daughter. In this context, which one of the following statements is most probably correct?

(a) Both children suffer from colour blindness.

(b) Daughter suffers from colour blindness while son does not suffer from it.

(c) Both children do not suffer from colour blindness.

(d) Son suffers from colour blindness while daughter does not suffer from it.
1823: The chief ingredient of the mosquito repellent cream is derived from:

(a) Tulsi

(b) Neem

(c) Lemon

(d) Rice bran
1824: Anand must be a vegetarian because he is a Buddhist.
The argument assumes that
(a) most Buddhists are vegetarians
(b) all Buddhists are vegetarians
(c) only Buddhists are vegetarians
(d) most vegetarians are Buddhists
1825: The product life cycle from inception to demise is shown in the graph. Match List I with List II and select the correct answer using the codes given below the Lists :

Codes:

(a) I-A, II-D, III-B, IV-C
(b) I-A, II-D, III-C, IV-B
(c) I-D, II-A, III-B, IV-C
(d) I-D, II-A, III-C, IV-B