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waec-biology-2020

6 followers

50 questions


The cell as a basic unit of life consists of A. cell wall a...
the cell as a basic unit of life consists of A. cell wall and vacuole B. nucleus and cell wall C. cytoplasm and nucleus D. cy...
2 months ago 1 answer(s) 3 votes


I- Crustacea II- Insecta III- Arachnida IV- Chilopoda ...
I- Crustacea II- Insecta III- Arachnida IV- Chilopoda ...
2 months ago 1 answer(s) 3 votes


I- Crustacea II- Insecta III- Arachnida IV- Chilopoda...
I- Crustacea II- Insecta III- Arachnida IV- Chilopoda
2 months ago 1 answer(s) 2 votes


The organism with spiral chloroplasts and nulceus suspended ...
The organism with spiral chloroplasts and nulceus suspended by cytoplasmic strands is A. Volvox B. Spirogyra C. Paramecium D....
2 months ago 1 answer(s) 6 votes


The network of double membrane that conveys materials throug...
The network of double membrane that conveys materials through the cytoplasm is the A. plasma membrane B. nuclear membrane C. mitochon...
2 months ago 1 answer(s) 2 votes


The diagram below is an illustration of the longitudinal sec...
The diagram below is an illustration of the longitudinal section of a plant organ.
2 months ago 1 answer(s) 3 votes


The diagram below is an illustration of the longitudinal sec...
The diagram below is an illustration of the longitudinal section of a plant organ.
2 months ago 1 answer(s) 2 votes


The diagram below is an illustration of the longitudinal sec...
The diagram below is an illustration of the longitudinal section of a plant organ.
2 months ago 1 answer(s) 2 votes


Which of the following materials is not a living semi-perme...
which of the following materials is not a living semi-permeable membrane? A. Pig's bladder B. Unripe pawpaw fruit C...
2 months ago 1 answer(s) 2 votes


In an experiment, mould and yeast cells were transferred int...
In an experiment, mould and yeast cells were transferred into an environment with low oxygen concentration. After a few days, the mould die...
2 months ago 2 answer(s) 2 votes