Body Fluids and Circulation (Class - XI)
Body Fluids and Circulation (Class - XI)
Questions
Sacculated, fusiform or cylindrical forms are the main forms of which of the following diseases?
- Aneurysm
- Tachycardia
- Bradycardia
- Cardiomyopathy
In which of the following can erythroblastosis foetalis occur?
- Man Rh+ and Woman Rh+
- Man Rh- and Woman Rh-
- Man Rh+ and Woman Rh-
- Man Rh- and Woman Rh+
Small oval-shaped structures found in the lymphatic vessels are termed
- valves
- lymph nodes
- lacteals
- lymph movement
Myoglobin is found in
- muscles
- blood
- lungs
- RBCs
Sinus venosus is a characteristic of
- reptiles and birds
- fishes, amphibians and reptiles
- birds only
- birds and mammals
The blood vascular system of frogs is
- closed
- open
- heterogenic
- All of the above
The middleman between blood and tissues is called
- RBC
- serum
- plasma
- lymph
What are the lymphatic vessels arising in the intestinal villi called?
- Cisterna chyli
- Lacteals
- Lymphatics
- Lymph nodes
Match the following:
| a. Plasma B - cells | 1. They produce more B-lymphocyte cells. |
| b. Memory B - cells | 2. They secrete antibodies into the blood circulation. |
| c. Dividing B - cells | 3. They do not produce antibodies, but become programmed to remember a specific antigen and |
respond very rapidly to any subsequent infection. |
- a - 2, b - 1, c - 3
- a - 3, b - 2, c - 1
- a - 1, b - 2, c - 3
- a - 1, b - 3, c - 2
- a - 2, b - 3, c - 1
Circulation of blood within the heart is known as
- pulmonary circulation
- systemic circulation
- coronary circulation
- None of these
Biconvex and nucleated red blood cells, heart with more than two perfect chambers, closed type of circulation and oviparity are all features of
- scoliodon
- salamander
- viper snake
- squirrel
Plasma proteins are made by
- liver
- thymus
- spleen
- bone marrow
How many chambers are there in a cockroach's heart?
- 2
- 3
- 4
- 13
Muscular walls of ventricles are thicker than walls of atria because ventricles have to
- pump blood into various organs
- receive deoxygenated blood from various organs
- receive oxygenated blood from various organs
- produce blood
Which of the following is an iron deficiency disease?
- Microcytic anaemia
- Rickets
- Dental caries
- Goitre
- Pellagra