CTET (Central Teacher Eligibility Test) Paper-II Science: Questions 77 - 81 of 274
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Question 77
Appeared in Year: 2013
Question MCQ▾
Two organisms are best friends and live together. One provides shelter, water and nutrients while the other prepares and provides food. Such an association of organisms is termed as (July)
Choices
Choice (4) | Response | |
---|---|---|
a. | Heterotrophy | |
b. | Symbiosis | |
c. | Parasitism | |
d. | Autotrophy |
Question 78
Question MCQ▾
When sunlight flashes on the silver chloride it turns into grey color from white color, this is the example of
Choices
Choice (4) | Response | |
---|---|---|
a. | Displacement and redox reactions | |
b. | Combination reaction | |
c. | Double displacement reaction | |
d. | Decomposition reaction |
Question 79
Appeared in Year: 2011
Question MCQ▾
If the pressure over a liquid increases, its boiling point (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | First decreases and then increases | |
b. | Decreases | |
c. | Increases | |
d. | Does not change |
Question 80
Question MCQ▾
When CNG or LPG undergoes incomplete combustion, the products formed are
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | only | |
c. | ||
d. |
Question 81
Question MCQ▾
‘Process validity’ of Science curriculum at upper primary stage requires that it should
Choices
Choice (4) | Response | |
---|---|---|
a. | Convey scientifically correct content. | |
b. | Be age appropriate and within the reach of students՚ understanding level. | |
c. | Nurture the natural curiosity and creativity of the learners. | |
d. | Focus on the process of learning and teaching rather than only on contents. |