Rabu, 28 November 2012


Macam-macam vitamin, fungsi serta sumbernya
1. Vitamin A
Fungsi : Mencegah penyakit rabun senja, meningkatkan daya tahan tubuh, dan memerangi penyakit malaria.
Sumbernya : Hati, minyak ikan, daging, susu, wortel,dan sayuran/buah berwarna orange
2. Vitamin B
a. B1 (Thiamin)
Fungsi : Membantu proses oksidasi tubuh untuk memperoleh energy dan mencegah penyakit beri-beri.
Sumbernya : Kacang hijau daging, kulit beras, sayuran dan roti.
b. B2(Riboflavin)
Fungsi : Pernapasan dalam sel (respirasi selular), menjaga keutuhan jaringan saraf, dan mempercepat pemindahan rangsang sinar ke saraf mata.
Sumbernya : hati, telur, susu dan ragi
c. B3(Asam pantotenat)
Fungsi : Membantu pembebasan energy dari makanan, sintesis asam lemak
Sumber : hati, telur,khamir/jamur,dan kacang tanah.
d. B6(Piridoksin)
Fungsi : membantu mencerna protein dan respirasi selular.
Sumbernya : Telur, daging,kentang dan kubis.
e. B12 (Kobalamin).
Fungsi : Pembentukan sel darah merah, sintesis asam nukleat dan pembelahan sel.
Fungsi : Daging, telur, susu, hati dan ragi (makanan hasll fermentasi)
3. Vitamin C
Fungsi : Menjaga ketahanan tubuh terhadap penyakit infeksi dan racun, menurunkan kolestrol, serta dalam dosis tinggi mencegah penyakit jantung, hipertensi, diabetes mellitus dan kanker.
Sumber : Buah-buahan, misalnya jeruk, tomat, papaya dan sayuran hijau lainnya.
4. Vitamin D
Fungsi : Mencegah penyakit rakitis
Sumber : Susu, minyak ikan dan kuning telur
5. Vitamin E
Fungsi : Berperan penting dalam system reproduksi dan mencegah penyakit kanker paru-paru
Sumber : Biji-bijian, sayuran, telur, mentega dan susu.
6. Vitamin K
Fungsi : Berperan dalam pembekuan darah dan dapat mencegah keguguran.
Sumber : Bayam, tomat, wortel

Sabtu, 24 November 2012

soal TIK B.inggris untuk kelas 8


1.Below is the kind of letter, except ....
a.    Arial
b.   Change Case .
c.     Comic SansMs
d.    Times Roman

2. If you want to select the paper size you would use the command ....
a.    Page setup .
b.   Save As
c.    File search
d.   Open

3.Find and replace command is on the menu ....
a. File
b. Edit
.
c. Insert
d. Tools

4.To set the paper and margin used commands on a tab ....
a. Home
b. Insert
c. Page Layout
.
d. Reference

5. To create a new worksheet, the following command is to be selected ....
a. File> New
.
b. File> Save
c. File> Open
d. New> File

6. Here is a submenu of the Office button in Microsoft Word 2007, except ....
a. New
b. Save As
c. Print
d. Font
.

7. To open a file or a previously saved document, can be done with the command ....
a. Office Button-> New
b. Office Button-> Save
c. Office Button-> Open
.
d. Office Button-> Print


8.The copy function to ...
a. Remove
b. Copy
.
c. Editing
d. Move

9. The command is used to sort the data sequence from top to bottom or from A to Z, that ....
a. Ascending
.
b. Descending
c. Sort
d. Merge Cells

10.   To create a new document done by ...
a. Click the New Blank Document
.
b. Click Save
c. Click the Open
d. Click the Paste

11.   For typing two columns of equal width, box dialColumn selected ...
a. One
b. Two
.
c. Three
d. Four

12.  The steps for inserting word art is ...
a. Click the Table-Picture-Word Art
b. Click the Insert-Picture-Word Art
.
c. Click File-Picture-Word Art
d. Click the Tool-Picture-Word Art

13.  To place an image object can be taken from ...
a. Auto shapes
b. Word Art
c. New drawing
d. Clip Art
.

14.  To print a document the steps are ...
a.    Click Edit-Print
b.    Click the Table-Print
c.     Click the Insert-Print
d.   Click File-Print .

15.  To insert writing beautiful art into a document using the facilities ...
a.Print
b.Word Art
.
c. Edit
d. Delete

16.  To print all the pages in the document, the print dialog box selected ...
a. current page
b. All
.
c. selection
d. pages


17.  Cancel a command when editing could use orders. . . .
a. Undo
.
b. Redo
c. Painter
d. Save


18.  Insert a Clip Art image into a document with the steps ....
a. Insert, Picture, Clip Art
.
b. Insert, Clip Art
c. Insert, File
d. Insert, Picture

19.   To merge cells in a table, then use the command ....
a. Insert Table
b. Delete Table
c. Merge Cell
.
d. Merge table


20.  Print submenu will be found in the menu ....
a. File
.
b. Insert
c. Format
d. View


21.  To set a left-right and up-down limit of a document, the facility is used ....
a. Margin
.
b. Clip Art
c. Footer
d. Page Setup


22.  The function of the Delete key on the keyboard is. . . .
a. delete one character to the right of the cursor
b. delete one character to the left of the cursor
.
c. move the cursor one character to the right
d. move the cursor one character to the left


23.  Facility to change the word or sentence into other forms (capital or otherwise) is. . .
a. Undo
b. Redo
c. Change case
.
e.    Tabs
24.   Find and Replace is a facility that is used for Microsoft Word. . . .
a. Quickly convert text
b. Quickly copy text
c. find and replace the word Quickly
.
d. move and copy text quickly

25.  To change the font, you can use the Home tab by clicking the button on the dialog. . .
a. Editing
b. Paragraph
.
c. Style
d. Font

26.  Underline command on the Home tab is used to. . . .
a. tilt text
b. underlined text
c. align text
d. bold text
.


27.  To the work then you can click the icon ....
a. Print
.
b. Save
c. Delete
d. Enter


28.  To insert a row in an existing table, use the command ....
a. Insert, Table
.
b. Insert Rows
c. Table, Insert Rows Above
d. Insert Rows


29.  Ctrl + P is a shortcut for the command ...
a. Replay
b. Table
c. Print
.
d. Paste


30.   To delete a table can be done in a way ....
a. Delete
b. Backspace
c. Delete rows
d. Delete table
.
  
 Answer keys  :
1.      B
2.      A
3.      B
4.      C
5.      A
6.      D
7.      C
8.      B
9.      A
10.  A
11.  B
12.  B
13.  D
14.  D
15.  B
16.  B
17.  A
18.  A
19.  C
20.  A
21.  A
22.  B
23.  C
24.  C
25.  D
26.  B
27.  A
28.  A
29.  C
30.  D