1. Brain receives and sends signals in the form of ________.
(a) Chemical impulses
(b) Magnetic impulses
(c) Mechanical impulses
(d) Electrical impulses
2. Who discovered Lysosomes?
(a) Christian de Duve
(b) Camilio Golgi
(c) Robert Brown
(d) George Palade
3. In which state Daskathia dance is performed?
(a) Odisha
(b) Kerala
(c) Karnataka
(d) None of these
4. India’s First Gold ATM Inaugurated In _____.
(a) Hyderabad
(b) Tamil Nadu
(c) West Bengal
(d) Bihar
5. Which area in India gets the summer monsoon first?
(a) The Himalayans
(b) The Eastern Ghats
(c) The Western Ghats
(d) The Indo Gangetic plains
6. Which of the following is also known as Epsom salt?
(a) Ferrous Sulphate
(b) Calcium Sulphate
(c) Sodium Sulphate
(d) Magnesium Sulphate
7. Which of the following waves is used for telecommunication?
(a) Microwaves
(b) Ultra violet rays
(c) Infra red rays
(d) X-rays
8. The Great Barrier Reef is located in the_______.
(a) Pacific Ocean
(b) Indian Ocean
(c) Mediterranean Sea
(d) Atlantic Ocean
9. Which wind is known as snow eater?
(a) Tramontane
(b) Loo
(c) Sirocco
(d) Chinook
10. Which of the following cloth will readily catch fire?
(a) Pure silk cloth
(b) Polyester cloth
(c) Acrylic cloth
(d) Nylon cloth
11. Sambhar Lake is situated in _______.
(a) MP
(b) Bihar
(c) Gujarat
(d) Rajasthan
12. Who among the following historians has written the book entitled ‘The wonder that was India’?
(a) A. L. Basham
(b) Alison Bashford
(c) R. C. Majumder
(d) Satish Chandra
13. Which one among the following is the main ingredient in cement?
(a) Gypsum
(b) Limestone
(c) Clay
(d) Ash
14. Which is the largest non-polar desert in the World?
(a)Kalahari
(b) Gobi
(c) Sahara
(d) Great Australian
15. Where has the world’s largest ‘Igloo cafe’ opened recently?
(a) Ladakh
(b) Jammu and Kashmir
(c) None of these
(d) Himachal Pradesh
16. Kimono is a dress style of which Asian Country?
(a) Korea
(b) Laos
(c) China
(d) Japan
17. Refrigeration helps in food preservation by –
(a) Killing of germs (bacteria)
(b) Reducing the rate of a biochemical reaction
(c) Destroying the enzyme action
(d) Sealing food with a layer of ice
18. In a magnifying glass ______ lens is used.
(a) Convex
(b) Concave
(c) Plano concave
(d) Plano convex
19. ‘Gangani’ region of West Bengal has which type of soil’ ? (near Garbeta, Paschim Medinipur)
(a) Alluvial Soil
(b) Saline Soil
(c) Laterite Soil
(d) Terai Soil
20. In West Bengal rail wagons are manufactured at –
(a) Liluah, Kanchrapara and Dum Dum
(b) Hindmotor, Kanchrapara and Durgapur
(c) Chittaranjan, Hindmotor and Durgapur
(d) Kharagpur, Chittaranjan and Dum Dum