Body Fluids

Q.

Which of the following is not true, about the extracellular fluids?

1. Extracellular fluid is the fluid present outside the cells.

2. Chemical compositions of plasma and Interstitial fluids are similar

3. The concentration of calcium is high in this fluid which is useful for muscle contraction.

4. The extracellular fluid has a very low concentration of sodium.

Q.

Which of the following is not true about extracellular fluids?

1. The extracellular fluid has a very low concentration of sodium.

2. Extracellular fluid is the fluid present outside the cells.

3. Chemical compositions of plasma and Interstitial fluids are similar

4. The concentration of calcium is high in this fluid which is useful for muscle contraction.

Q. Blood vascular system of molluscs is

1. Reduced
2. Open
3. Closed
4. Absent

Q. Open circulatory system is present in (i)______ and (ii)______.

1. (i)-Platyhelminthes, (ii)-Molluscs
2. (i)-Arthropods, (ii)-Echinoderms
3. (i)-Annelids, (ii)-Arthropods
4. (i)-Arthropods, (ii)-Molluscs

Q.

where is pneumotoxic centre located in the brain?

Q.

Identify the components depicted in the given image.

1. 1. Intracellular fluid, 2. Capillaries, 3.Interstitial fluid, 4. Plasma

2. 1.Extracellular fluid, 2. Arteries, 3. Intracellular fluid, 4. Cytosol

3. 1.Transcellular fluid, 2. Veins, 3. Transcellular fluid, 4. Nucleoplasm

4. 1.Interstitial fluid 2.Capillaries, 3. Intracellular fluid, 4. Plasma

Q.

name the protein present in bone matrix

Q.

Respiratory control centers are located in the ________.

1. midbrain and medulla

2. medulla and pons

3. pons and midbrain

4. upper spinal cord and medulla

Q.

The major role of the circulatory system is _______.

1. To break down food so that it can be used by the body.

2. To provide a medium for transportation, elimination of waste and maintain homeostasis.

3. To give the body shape and support.

4. To help in the absorption of the digested food.

Q.

Which of the following are the functions of water in our body?

1. Lubricant and shock absorption

2. Body temperature regulation

3. Structural support for molecules

4. All of the above

Q. Molluscs have

1. A single tubular heart
2. Multichambered heart
3. 3-4 pairs of hearts
4. 2-3 chambered heart

Q. The major role of circulatory system is

1. to give shape and support to the body.
2. to provide a medium for transportation.
3. to maintain homeostasis.
4. to provide a medium for the elimination of waste.

Q. Why in winters our lips are dry and cracks very easily in comparison to summers?
How use of balms can prevent the cracking and smoothens the lips?

Q.

What are the advantages of closed circulatory system?

Q.

Is the colour of our blood red? why?

Q. Whether arterial blood or oxygenated blood contains CO2

Q. where the rate of coagulation of blood in our body is lesser & where the rate of coagulation of blood is more??

Q. Q) Lymph act as a connecting between blood and tissue, explain ?