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"Insecticidal Activity of Mahogany (Shorea negrosensis) Leaf Extract against German Cockroach (Blattella germanica)" What is the test organism?
German Cockroach (Blattella germanica)
"Insecticidal Activity of Mahogany (Shorea negrosensis) Leaf Extract against German Cockroach (Blattella germanica)" What is the research organism?
Mahogany (Shorea negrosensis)
In order to determine if chicks grow bigger when fed with aratilis fruit, I fed 3 of them just water for comparison. What type of control is water in the experiment?
Negative control
Jayda wanted to know the origin of the Covid-19 virus, what quantitative method will she use? (a. Case study b. Experimental c. Historical d. Cross-sectional)
c. Historical
What kind of sources are diaries, photographs, and surveys?
Primary sources
What kind of sources are critiques to articles and commentaries on speeches?
Secondary sources
Karen wanted to collect feedback from the students on the strategies of G-9 teachers, so she selected top students to get relevant data for her study. (Type of sampling: a. convenience b. purposive c. simple random d. snowball)
b. Purposive
Ansell determines her respondents through referral from one respondent to the other. (Type of sampling: a. convenience b. purposive c. simple random d. snowball)
d. Snowball
Van wanted to conduct a survey, so he recruited his friends as they are easily accessible to become respondents for his study. (Type of sampling: a. convenience b. purposive c. simple random d. snowball)
a. Convenience
ABC wants to know the TV owners in Metro Cebu who watch the station’s new program. The station asked a group of 1000 TV owners. Identify the sample of the survey.
1000 TV owners
I want to know if different temperatures of water will affect how high an ice cube floats. What is the independent variable?
different temperatures of water
I want to know if different temperatures of water will affect how high an ice cube floats. What is the dependent variable?
How high the ice cube floats
I want to know if different temperatures of water will affect how high an ice cube floats. What is a constant for this experiment to work correctly?
Same size of ice cube, bowl used
If I test different types of baseball bats, then I predict the composite bat will hit the baseball the farthest. What is the independent variable?
different types of baseball bats
If I test different types of baseball bats, then I predict the composite bat will hit the baseball the farthest. What is the dependent variable?
How far the baseball travels
What is the independent variable? Amy wanted to know which brand of popcorn will leave the least amount of kernels.
brand of popcorn
