\(3\frac{1}{3}\) hours
5 hours
8 hours
12 hours
Correct answer is D
Let x represent the total number of hours spent per week
\(∴ \frac{75}{360} \times x = \frac{5}{2}\)
\(∴ x = \frac{360 \times 5}{725 \times 2}=12 hours\)
Which of the following examples best describes camouflagic colouration in organisms?
A butterfly which has a real colouration on the wing
A green snake in a green grass
zebra with vertical stripes on the body
Certain tree frogs with bright colour patterns
A flower whose petals and sepals are of the same colour
Correct answer is C
No explanation has been provided for this answer.
Which of the following makes up the bee caste?
Soldiers and Queen
Drones, soldiers and workers
Queen, workers and soldiers
Queen, drones and workers
Soldiers, Queen and drones
Correct answer is D
No explanation has been provided for this answer.
15o
30o
60o
90o
Correct answer is B
Total angle in a circle = 360°
\(\therefore\) 105 + 75 + 2k + k + 3k = 360°
6k = 360 - 180 = 180
k = 180/6 = 30°
Termites are called social insects because
the nests are built by the nasute soldiers
they live together in communities
the queen allocates duties to the workers
the king and queen do mate
the function of the workers and soldiers are very important
Correct answer is B
No explanation has been provided for this answer.
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