Organ Systems

Q. Choose the correct sequence of structural organisation in animals.

1. Cutaneous

2. Branchial

3. Buccal

4. Pulmonary

Q. A group of organs that work together to perform common body functions is called

1. Organ system
2. Tissue
3. Organ
4. Cell

Q. The lymphatic system of frog does not include

1. lymph
2. RBCs
3. spleen
4. lymph vessels

Q. How many of the given statements are correct with respect to a frog?
i. They have an open circulatory sytem
ii. There is a special venous connection between the liver and intestine as well as kidneys and the lower parts of the body.
iii. The blood supplies nutrients and ${\mathrm{CO}}_2$ to all parts of the body.

1. One
2. Two
3. None
4. Three

Q. A group of organs that work together to perform common body functions is called

1. Cell
2. Tissue
3. Organ
4. Organ system

Q.

What is an organ system?
(a) Give two examples of organ systems in animals.
(b) Name the two main organ systems in plants.

Q. Look at the description below and fill in the correct human system

Sr.No	Human system	Function
(a)	_______ system	It helps to take oxygen into the body and remove carbon dioxide from the body.
(b)	_______ system	It consists of muscles of muscles and helps different parts of the body to move
(C)	_______ system	It helps to carry food , water, oxygen and from different parts of the body.

Q. A group of cells alike in form, function and origin is

1. Organ
2. Organelle
3. Tissue
4. Organoid.

Q. What is the difference between
Organ and organ system?

Q.

How many segments are fused to form head of the cockroach?

1. Six
2. Eight
3. Four
4. Two