Q55. Consider the following pairs: | Commonly used/consumed materials | Unwanted or controversial chemicals 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?

Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning? 1. Smelting u

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements: 1. PF

With reference to ‘palm oil’, consider the following statements: 1. The palm oil tree is native to Southeast Asia. 2. Palm oil is a raw material for some indust

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They c

Which of the following can be found as pollutants in the drinking water in some parts of India? 1. Arsenic 2. Sorbitol 3. Fluoride 4. Formaldehyde 5. Uranium Se

Consider the following statements: 1. Other than those made by humans, nanoparticles do not exist in nature. 2. Nanoparticles of some metallic oxides are used i

Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into the environment. 2. The copper slag can cause

A company marketing food products advertises that its items do not contain trans fats. What does this campaign signify to the customers? 1. The food products ar

Consider the following statements: 1. Caffeine, a constituent of tea and coffee is a diuretic. 2. Citric acid is used in soft drinks. 3. Ascorbic acid is essent

Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use? 1. They are highly re

Consider the following activities: 1. Spraying pesticides on a crop field 2. Inspecting the craters of active volcanoes 3. Collecting breath samples from spouti

Which of the following statements is/are correct? Virus can infect 1. Bacteria 2. Fungi 3. Plants Select the correct answer using the code given below

H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?

Consider the following pairs: | Vitamin Deficiency | Disease | | :--- | :--- | | 1. Vitamin C | Scurvy | | 2. Vitamin D | Rickets | | 3. Vitamin E |

Consider the following diseases: 1. Diphtheria 2. Chickenpox 3. Smallpox Which of the above diseases has/have been eradicated in India?

Which of the following statements is/are correct? 1. Viruses lack enzymes necessary for the generation of energy 2. Viruses can be cultured in any syn

Which of the following diseases can be transmitted from one person to another through tattooing? 1. Chikungunya 2. Hepatitis B 3. HIV-AIDS Select the

"Membrane Bioreactors" are often discussed in the context of:

Which one of the following is synthesised in the human body that dilates blood vessels and increases blood flow?