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

Consider the following pairs:

Commonly used /                                                                      Unwanted or controversial chemicals

consumed materials                                                                  likely to be found in them

1. Lipstick                                                                       Lead

2. Soft drinks                                                                  Brominated vegetable oils

3. Chinese fast food                                                        Monosodium glutamate

Which of the pairs given above is/are correctly matched?

Consider the following statements :

The nation-wide 'Soil Health Card Scheme' aims at

1. expanding the cultivable area under irrigation.

2. enabling the banks to assess the quantum of loans to be granted to farmers on the basis of soil quality.

3. checking the overuse of fertilizers in farmlands.

Which of the above statements is/are correct?

Which of the following practices can help in water conservation in agriculture? ‎

‎1. Reduced or zero tillage of the land ‎

‎2. Applying gypsum before irrigating the field ‎

‎3. Allowing crop residue to remain in the field ‎

Select the correct answer using the code given below : ‎

Consider the following pairs:

   Traditions                                                        Communities

1. Chaliha Sahib Festival               —           Sindhis

2. Nanda Raj Jaat Yatra                —           Gonds

3. Wari-Warkari                           —           Santhals

Which of the pairs given above is/are correctly matched ?

The painting of Bodhisattva Padmapani is one of the most famous and oft-illustrated paintings at