Science Worksheet With Answers Page 6
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13TOSS-UP
11) LIFE SCIENCE
Multiple Choice Which of the following is a feeding structure in
arachnids:
W) dentipalps
X) radula
Y) proboscis
Z) chelicerae (PRONOUNCED Chill-iss-er-ah)
ANSWER: Z) CHELICERAE
BONUS
11) LIFE SCIENCE Multiple Choice
In humans, ovulation usually occurs how many days
before the start of the next menstrual period:
W) 4
X) 9
Y) 14
Z) 21
ANSWER: Y) 14
TOSS-UP
10) PHYSICAL SCIENCE
Short Answer What color light is produced by adding equal
amounts of red, green, and blue light?
ANSWER: WHITE
BONUS
10) PHYSICAL SCIENCE
Short Answer Name the most common disaccharide, known as milk
sugar, that is found in milk.
ANSWER: LACTOSE
Junior National Science Bowl
Round Robin 6
Page 6
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