On this page we have uploaded NBSE Class 8 Question Paper for Science released by nbse.uk.gov.in. The question paper provided here from Nagaland State Board. Download the 2023 question paper pdf as well.
Nagaland State Board has published subject wise question paper for this year Class 8 students in its official portal NBSE.uk.gov.in. Here we have published Class 8 NBSE question paper 2023 for Science subject. For more information regarding Nagaland Intermediate Class 8, 2023 Exam Date, Exam Pattern, Time, Date, How to prepare follow our website.
Nagaland Board (NBSE) Class 8 Question Papers – Science Subject
(1) The process of loosening and turning of the soil is called
(i) tilling
(ii) harvesting
(iii) weeding
(iv) irrigation
(2) Which of the following is an inexhaustible natural resource?
(i) Petroleum
(ii) Sunlight
(iii) Forest
(iv) Coal
(3) Binary fission occurs in
(i) amoeba
(ii) hydra
(iii) penicillium
(iv) yeast
(4) The strength of a force is usually expressed by its
(i) acceleration
(ii) pressure
(iii) magnitude
(iv) weight
(5) The frequency of a sound determines the
(i) pitch
(ii) amplitude
(iii) vibration
(iv) loudness
(B) Indicate whether the following statements are true (T) or false (F):
(6) Seed drill is used for sowing. ( )
(7) Coke is an almost pure form of carbon. ( )
(8) Viviparous animals are those that lay eggs. ( )
(9) Sound cannot travel in vacuum. ( )
(C) Answer the following questions in one word or one sentence:
(10) What are weeds?
(11) Give one use of coal gas.
(12) When a sperm having X chromosome fertilizes the egg, what will be the sex of
the child?
(13) What is pressure?
(D) Answer the following questions in about 10-20 words:
(14) If paddy is sown in the Rabi season, what would happen? Discuss giving two points.
(15) Why is petroleum called black gold?
(16) What is metamorphosis? Give two examples.
(17) Give two examples of situations in which applied force causes a change in the shape of an object.
(18) Suppose Roko takes pure water in a glass beaker to test whether it conducts electricity. Will it conduct electricity? If not, what should he do to make it conduct electricity?
(E) Answer the following questions in about 30-40 words:
(19) (a) Differentiate between sexual and asexual reproduction.
Or
(b) Differentiate between internal and external fertilization.
(20) (a) List six changes in the body that take place at puberty.
Or
(b) What are sex hormones? Name the male and female sex hormones in human.
(21) What are contact forces? Explain why muscular force is a contact force.
(F) Answer the following questions in about 50-60 words:
(22) Sketch larynx and explain how sound is produced.
Alternate question for the visually impaired students:
What is noise? List three sources of noise pollution in your locality.
(23) (a) What is electroplating? Give three uses of electroplating.
Or
(b) The bulb does not glow in the set up shown in the figure given.
List the possible reasons and explain your answer.