种子含水量(%) | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
种子萌发率(%) | 8 | 16 | 33 | 56 | 73 | 86 | 81 |
A.该种子萌发的最适温度为25℃ |
B.该种子萌发的最适含水量约为70% |
C.该种子含水量越大,萌发率越高 |
D.该种子的萌发率与氧气浓度有关 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2