Which characteristic of living organisms is demonstrated by this experiment?
Growth
Nutrition
Respiration
Sensitivity
Pertanyaan 2
Pilihan ganda
Which species can breed with Prunella vulgaris to produce fertile offspring?
A
B
C
D
Pertanyaan 3
Pilihan ganda
What is the correct order of arthropod groups from those with the most legs to those with the fewest?
A
B
C
D
Pertanyaan 4
Pilihan ganda
What structure is present at the point X in a diagram of animal cells viewed under a light microscope?
One cell membrane
One cell wall
Two cell membranes
Two cell walls
Pertanyaan 5
Pilihan ganda
How is a root hair cell modified for the absorption of water?
It has a cellulose cell wall.
It has a thin layer of cytoplasm.
It has a large surface area.
It has a large vacuole.
Pertanyaan 6
Pilihan ganda
The diagram shows a drawing of part of a tulip flower. The actual width of the stigma, shown by the line PQ, is 5 mm. The length of line PQ is 15 mm. What is the magnification of the diagram?
×0.3
×3
×30
×300
Pertanyaan 7
Pilihan ganda
A jar of air was placed upside down on top of a jar containing a brown gas as shown. Which process has taken place?
Diffusion both upwards and downwards
Diffusion downwards only
Diffusion upwards only
Diffusion and osmosis
Pertanyaan 8
Pilihan ganda
Which row describes active transport?
A
B
C
D
Pertanyaan 9
Pilihan ganda
In which process is oxygen a waste product?
active transport
aerobic respiration
anaerobic respiration
photosynthesis
Pertanyaan 10
Pilihan ganda
The table shows diagram of three tpes of cell found in a leaf. Which row correctly identifies each cell type?