Sunday, September 9, 2012

CBSE_NCERT VI Chapter: Animal Form and Functions Solutions

Class VI Chapter: Animal Form and Functions

Q1. Name the system that transports nutrients oxygen and waste?                 

Ans: Circulatory system

Q.2. The mouth is the part of which bodily system?                                          

Ans: Digestive system

Q.3. kidney is part of which system?                                                                

 Ans: Excretory system

Q.4. what are the animals with back bone known as?                                        

Ans: vertebrates.

Q.5. which fin of fish help to swim?                                                                  

 Ans: Paired fins

Q.6. Do the joint between rib and breast bone allow movement?                    

Ans: No

Q.7. How many bone a human body have?        

Ans: A child have 306 bones  some of which latter fuse hence  fully grown body have 206 bones

Q. 8. Name the organism born with extra rib called gorilla rib?                        

Ans: Gorilla


Q.9. What is the given to the first vertebra of the vertebral column support skull?

Ans: Atlas and bones called yes bones

Q.10. What is science in which we study about bones?                                   

Ans: Osteology.

Q.11. What is science in which we study about muscles?                               

 Ans: Myology.

Q.11. Name the two organ protected by rib cage?                                          

 Ans: Heart and Lungs

Q.12. Define cell and tissue?

Ans: cell is basic and functional unit of Life. A group of similar cell is called tissue.eg. bones, blood

Q.13. What is bone marrow. Mention its functions?

Ans: A soft substance present in bones called Bone marrow. it makes blood cell.

Q.14. What is joint what are its types?

Ans: The place where two bones join together is called joints. Types of joints are Fixed joint, Ball and 
socket joints, Hing Joint, Gliding Joints, Pivotal joint.

Q. 15.What is organ system? Name organs of digestive system?

Ans: A group of Organs form organ system. Mouth, esophagus, stomach and intestine form digestive system

Q.16. what is ball and Socket joints?

Ans: The joint that allows movement in all direction is called ball and socket joint .like arm, Shoulder, hip and Thigh joints.

Q.17.Explain three types of skeleton?

Ans: Skeleton found outside the body is called exoskeleton like Skeleton of crab and snail.  It ptotect, give 
sense and help in feeding and excretion.

Skeleton found inside the body is called endoskeleton like Skeleton of fish, bird reptiles etc.

Skeleton found inside the body in the form of liquid is called liquid skeleton like Skeleton of earth worm, 
caterpillar.

Q.18. what are the types joints?

Ans: Types of joints are:

Fixed joint -Skull

 Ball and socket joints- arm, shoulder, hip and Thigh joints.

Hinge Joint :- knee, elbow and Ankle

Gliding Joints- backbone,sole of foot

Pivotal joint.- Neck

Q.19. how do muscles help to move bones?

Ans: A pairs of muscles helps bone to move.  When one of them contracts, the bone is pulled in that 
direction. The other muscle of the pair relaxes. To move the bone in the opposite direction, the relaxed 
muscle contracts to pull the bone towards its original position, while the first relaxes.

20. Differentiate between Floating and Fixed rib.

Ans: The last two pairs of ribs which are free called floating rib. Whereas rest of 10 pairs which are   not free  and forma cage is called fixed rib.

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