TEST - I MULTIPLE CHOICES DIRECTIONS: Choose the letter of the correct answer.
1. What is the main function of the digestive system?
A. Hold and receive food
C. Control th
B. Remove excess water from the body
0 Break the
2 Where does digestion begin?
A. Mouth
B. Stomach
C. Small in
3. Which of the following is NOT a digestive process?
A. absorption
B. compaction
C. excretior
4. What is the longest part of the cell cycle?
A. S phase
B. G2 phase
C. Interpha
5. What do you call the protein where the DNA coils around to forma
chromatin?
A. histone
B. Keratin
C. lactase
6. Cells that mature leave the cell cycle and are arrested at
phase.
Go
B. G1
C. G2
7. During gamete formation, the pair of genes separate from each other. T
C. indepen​

A. Hold and receive food  

D Break the food

2. A mouth

3. B compaction

4. C interphase

5. A histone

6. A G0

Explanation:

The main function of the digestive system is to receive, hold and break down the food. Mouth is the place where the digestion of the food starts in the body. Compaction is the process which is not present in the digestive process. Interphase is the longest part of the cell cycle in which cell grows and make copies of its DNA before starting mitosis. Histone is the protein where the DNA coils around to form a chromatin. Cells that mature leave the cell cycle and are arrested at  phase is G0 phase.

ia. mver.y..sor .r..yinee..i am.ina.rush.pleas eforg.ive   meiknowiama. nas.s holei apalo.gize

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