1. Which of the following is undigested food?
A. Urea C. Urine
B. Sweat D. Faeces
2. Andy has given food and water to his hamster which is in a tightly closed container. His hamster still dies in the end. This is because the hamster has ____.
A. no food C. no shelter
B. no air D. no mother
3. Which of the following is the shelter for a bird?
A. Nest C. Cave
B. Hive D. Pen
4. Humans need to excrete and defecate in order to_________.
A. get rid of waste products
B. eat more
C. be happy
D. grow
5. People get drunk when they drink too much ___________.
A. tea C. milk
B. alcohol D. soft drinks
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