What stage during cell division is represented in the figure above?
Prophase
Metaphase
Anaphase
Telophase
Correct answer is C
No explanation has been provided for this answer.
Which of the following structure is associated with aerobic respiration?
1
2
3
4
Correct answer is D
The organelle labelled 4 is the mitochondrion which is the site of respiration.
The population of I was higher than II at the beginning of the experiments
II was wiped out from the enviroment at the end of the experiments
The population of II was always lower than that of I
The population of I was lower at the end of the experiment than at the beginning
Correct answer is B
No explanation has been provided for this answer.
The structure labelled X is used by the organism in the same way as man uses his?
oesophagus
trachea
stomach
intestine
Correct answer is A
To gather food, the Paramecium makes movements with cilia to sweep prey organisms, along with some water, through the oral groove (vestibulum, or vestibule), and into the cell.
This organelle marked as x in the paramecium above serves similar function as oesophagus in man.
Melanin and keratin are produced in the part labelled
2
3
4
5
Correct answer is A
No explanation has been provided for this answer.
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