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CH=8 class 8 ncert solutions

Class 8 Science Chapter 8  1. Indicate whether the following statements are True (T) or False (F). (a) Unicellular organisms have one-celled body. (T/F) (b) Muscle cells are branched. (T/F) (c) The basic living unit of an organism is an organ. (T/F) (d) Amoeba has irregular shape. (T/F) Sol: a)True b) False c) False d) True 2. Make a sketch of the human nerve cell. What function do nerve cells perform? Sol: The main function of the nerve cell is to transmit messages to the brain from receptor organs and vice versa. It has control over the working of different parts of the body. 3. Write short notes on the following. (a) Cytoplasm (b) Nucleus of a cell Sol: (a) Cytoplasm: The cytoplasm is a fluid that contains all the cell organelles such as the Mitochondria, Ribosomes, Golgi bodies, etc. It is present between the nucleus and the plasma membrane. It helps in the exchange of materials between cell organelles. It is made up of eighty percent water and is usually clear and colourless. ...
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Ch 2 windows movie maker class 8th computer

Lesson 2 Window Movie Maker Fill in the blanks: Windows Movie Makeris a video editing software for Windows based computers. Default extension of Windows Movie Maker project file is .wlmp. Title, Captionand Credits are used to add text based information to your movie. Waveforms represent the audio that is included in any project. Storyboard is used to arrange and manage the video clips in your project. You can use Fade inoption to gradually increase the volume of audio in the beginning. State True and False: Windows Movie Maker can be downloaded for free. True Windows Movie Maker auto save the project so that the data remains intact in case of power failure. True Window Movie Maker allows the user to directly download music from online stores. False Movie Created on window Movie Maker cannot be shared online.      False WMM allows you to add video clips to your project but does not support image files or photos. False You cannot add multiple Visual Effects on a single medi...
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IMPORTANT QUESTIONS FOR CLASSS 8 COMPUTER CH 1

Q)ORGANISED WAY OF STORING DATA IS ? ANS)DATABASE. Q)COLOUMNS IN A TABLE ARE CALLED WHAT? ANS)FIELDS Q) WHICH LINK STORES UPTO 1 GB OF DATA? ANS) HYPERLINK Q)FULL FORMS OF : a)CAN b)MAN c)WAN d)LAN e)PAN ANS)a)CLUSTER AREA NETWORK b) METROPOLITAN AREA NETWORK c) WIDE AREA NETWORK d)LOCAL AREA NETWORK e) PERSONAL AREA NETWORK Q)EACH COMPUTER OR DEVICE ON THE NETWORK IS CALLED? ANS)NODE Q)WAP STANDS FOR? ANS)WIRELESS ACCESS POINT Q) COMPUTERS CONNECTED TO THE SERVER IS CALLED WHAT? ANS) WORKSTATIONS Q) COMMUNICATIONS DEVICE TO REGENERATE SIGNALS IS ? ANS)REPEATER Q)RANGE OF LAN IS ? ANS)10m Q)RANGE OF INFRARED ANS)5m
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