Silicon is an example of

(a) Metals
(b) Metalloids
(c) Non-metals
(d) None

Which is INCORRECT?

(a) Anticline – A fold in sedimentary strata that resembles an arch
(b) Igneous Rocks – beds and layers
(c) Manganese Nodules – usually containing small amounts of copper, nickel and cobalt
(d) Geothermal Gradient – 30°C per kilometer in the upper crust

Conservatism – A political philosophy that stressed the importance of

(a) Tradition & Established Customs
(b) Modern institutions
(c) Quick change & Modern institutions
(d) Never Change

The French army was defeated at battle of Dien Bien Phu by which Country?

(a) China
(b) Vietnam
(c) Myanmar
(d) Cambodia

Which of the following statements is INCORRECT about ‘Silk Routes’?

(a) It points to the importance of West-bound Chinese silk cargoes along this route
(b) Historians have identified several silk routes, over land only
(c) Knitting together vast regions of Asia, and linking Asia with Europe and Northern Africa
(d) Chinese pottery, textiles and spices from India and Southeast Asia also travelled the same route

The Compulsory Elementary Education Act of UK passed in the year

(a) 1850
(b) 1870
(c) 1890
(d) 1900

 Newspaper/s which had opposed Rammohun Roy’s opinions

(a) Samachar Chandrika
(b) Sambad Kaumudi
(c) Both
(d) None

 Arrange in the pH scale

(a) Lemon Juice, Gastric Juice, Blood, Milk of Magnesia
(b) Gastric Juice, Lemon Juice, Blood, Milk of Magnesia
(c) Gastric Juice, Lemon Juice, Milk of Magnesia, Blood
(d) Milk of Magnesia, Blood, Gastric Juice, Lemon Juice

Which of the following statements is CORRECT?

(a) When pH of rain water is less than5.6, it is called acid rain
(b) Tooth enamel, made up of calcium phosphate is the hardest substance in the body
(c) Toothpastes, which are generally basic, for cleaning the teeth can neutralise the excess acid and prevent tooth decay
(d) All the above

Which of the following is NOT MATCHED?

(a) Tamarind – Methanoic acid
(b) Vinegar – Acetic acid
(c) Tomato – Oxalic acid
(d) Orange – Citric acid

Main organ/s in the human body where the magnetic field produced is significant

(a) The heart
(b) The brain
(c) Both
(d) None