Q1. Rishabh joined an entertainment company Avtaar, as a creative head. As a manager looking after the creative unit of the company, one of the functions he has to perform is the process of organizing. Which step of the process will he need to perform after identifying and dividing the work that has to be done by previously determined plans?
(a) Identification and division of work
(b) Departmentalisation
(c) Assignment of Duties
(d) Establishing Reporting Relationships
PERIODIC TEST
COMPUTER SCIENCE
CLASS VIII
Time: 1 hr. M.M.: 30
Q1. Choose the correct option. (3X1=3)
______________ is the most useful application of data science.
(i) Search engine
(ii) Transport
(iii) E-commerce
DIRECTION: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
(a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
(c) Assertion (A) is true but reason (R) is false.
(d) Assertion (A) is false but reason (R) is true.
Q1.
Assertion: When 10 g of CaCO₃ is decomposed, 5.6 g of CaO is left and 4.4 g of CO₂ escapes.
Reason: The law of conservation of mass is followed.
Q1. Define variation.
Answer: Subtle DNA changes that occur in the reproduction process (sexual or asexual) that gives offsprings look similar to parents.
Q2. Which has more variation asexual or sexual mode of reproduction?
Answer: Sexual mode of reproduction.
VERY SHORT ANSWER TYPE QUESTION (1 MARK)
Q1.Who is the present Secretary General of the United Nations?
Answer: Antonio Guterres from Portugal (Appointed in 2017)
Q2.Name any two member states of the European Union who are permanent members of
the UN Security Council?
Answer: Britain and France
Q3.What is the main objective of the United Nations?
Answer: To prevent international conflict and to facilitate cooperation among states. It was
found with the objective that it would stop the conflicts between states escalating
into war and if war broke out, limit the extent of the hostilities.
Q4.Mention a few agencies of the United Nations?
Answer: IMF - International Monetary Fund
WHO - World Health Organization.
UNESCO - United Nations Education Scientific and Cultural Organization.
ILO – International Labour Organisation
FAO – Food and Agriculture Organization
