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Everyday Science Mcqs — Test 26

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Question 1
Which of the following is most constant abiotic component of ecosystem___________?
Question 2
Ecosystem not found in Pakistan is_____________?
Question 3
Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?
Question 4
The productivity of aquatic ecosystem is basically determined by light and____________?
Question 5
The first layer of cell wall which is formed is___________?
Question 6
Annual rainfall in grassland is about_____________?
Question 7
Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due_____________?
Question 8
Cellulose is the major component of__________?
Question 9
Humming bird is an example of________________?
Question 10
Number of cervical vertebrae is_____________?