NEB Question Browser
Explore Class 10 Compulsory Science and Technology past and model questions by chapter, year, marks and question type.
322 questions found
Check the validity of equation S=ut+ 2 1 at 2 by unit-wise analysis.
Differentiate between bat and pigeon on the basis of reproduction and habitat.
Derive the relation , where the symbols carry their usual meanings.
Write any two differences between an open closed universe.
Which substance is the product 'Z' in the given chemical reaction? (CO2 + H2O -> Z)
(i) HCO
(ii) H2CO2
(iii) H2CO3
(iv) COOH
Which of the following represents an alkene?
(i) CnH2n+2
(ii) CnH2n-2
(iii) CnH2n-1
(iv) CnH2n
Which of the following phenomena is based on the high specific heat capacity of water?
(i) The temperature of water in ocean does not vary much between day and night
(ii) Even when the surface of Mountain Lake freezes in winter, fish don't die
(iii) Water pipes burst in winter
(iv) Temperature of water remains constant while boiling
Which of the following statements is correct about queen bee?
(i) Queen bee feeds honey and bread to larvae
(ii) Queen bee makes the hive warm
(iii) A hive has a large number of queen bees
(iv) In a hive, the queen bee lives the longest
Why is sea-urchin kept in phylum Echinodermata?
(i) Because their bodies are externally covered by hard calcareous spines
(ii) Because their bodies have muscular feet to help in swimming in water and gliding on the surface
(iii) Because their body is soft
(iv) Because it has tentacles on the head
Which of the following plants has antioxidant and antimicrobial properties as well as the capacity to relieve stress, depression and anxiety?
(i) Turmeric
(ii) Asiatic pennywort
(iii) Gurjo
(iv) Neem
What will be the weight of a man on the Moon, if his weight on the Earth is 750 N? (Acceleration due to gravity of the Moon = 1.63 m/s2)
(i) 124.7 N
(ii) 125 N
(iii) 126.8 N
(iv) 127.8 N
A transformer has 6,000 turns in the primary coil and 1,000 turns in the secondary coil. Calculate the secondary voltage if the primary voltage is 210 V.
(i) 25 V
(ii) 35 V
(iii) 45 V
(iv) 55 V
Which of the following correctly describes the properties of an image formed by a convex lens when object is placed between 'f' and '2f'?
(i) Virtual, erect and diminished
(ii) Virtual, inverted and magnified
(iii) Real, inverted and magnified
(iv) Real, erect and magnified
Which of the following compounds is used to ripen fruits?
(i) Sodium carbonate
(ii) Calcium carbonate
(iii) Calcium carbide
(iv) Sodium sulphate
Certain variables should be controlled in a scientific experiment, why?
Write an application of QR code.
Write a characteristic of the given organism on the basis of respiration.
Write a function of worker bee after 21 days.
Why can't a digital clinical thermometer be used to measure the temperature of boiling water?
A student used the sap of the leaves of the plant shown in the figure when her/his skin was burnt by steam. For what other two purposes can this plant be used?
