69.

70.

71.

72.

3.

74.

75,

76.

77.

Which statement is true ?

(ക) The electrical conductivity of a metal increases with temperature

(B) The resistivity of a semiconductor increases with temperature

(C) The electrical conductivity of a semiconductor increases with temperature
(D) Metals and semiconductors have similar electrical conducting properties

1f a fullerene molecule consisis of 60 carbon atoms, then how many molecules will be present
in 12 g fullerene ?

(ക) 6,023 «1023 (B) 1003851099 (೮) 6.023 > 102 (>) 1.0038 > 1022

A good scientific research is characterized by :
(A) It requires clear articulation of a goal

(B) Tt follows specific plan and procedure
(©) It accepts certain critical assumptions

(D) All the above

To understand human behavior and reasons over a long period of time one has to do :
(ക) Historical study (8) Quasi experimental study
(C) Longitudinal study (D) Cross sectional study

Teaching and learning arrangements, usually in small groups, that are structured to produce
active participation in learning 15 :
(A) Symposium (18) Seminar (09) Conference (D) Workshop

Directly useful application of scientific principles to production is called :
(A) Knowledge (ए) Science (€) Technology (D) Research

Which of the following qualities a researcher must have ?
(^) Curious about the world (8) Logical and systematic
(0) Intellectually honest (D) All the above

The most effective teaching method that ensures maximum participation of students is :
(ക) Lecture method (8) Texi book method
(0 Discussion method (D) Demonstration method

Which of the following is the most important indicator of quality of education in a school ?
(2) Infrastructural facilities

(ए) Qualification of teachers

(©) Discipline maintained in the school

(0) Sludents” achievements

11 126/2014
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