RBC
Trending Questions
Why red blood cells do not have nucleus prsent in them.
Persons with the AB blood group are called universal recipients. This is due to:
Absence of antibodies, anti-A, and anti-B, in plasma
Absence of antigens A and B in plasma
Presence of antibodies, anti-A, and anti-B, on RBCs
Absence of antigens A and B on the surface of RBCs
Why is the rate of heart beat more in babies ? Why do they have more temperature as compared to adults ?
A person with blood group AB is considered as universal recipient because he has:
Both A and B antigens on RBC but no antibodies in the plasma
No antigen on RBC and no antibody in the plasma
Both A and B antigens in the plasma
None of the above
What happens to a cell if it is placed in a hypotonic solution?
What is the shape of red blood cells?
Milk, cheese, and Eggs are sources of which vitamin?
Account for the following:
Wilted lettuce leaves become crisp/firm when placed in cold water for a while.
Vitamin essential for blood clotting is
Vitamin A
Vitamin E
Vitamin C
Vitamin K
1 μm is :
10-6 m
10-9 m
10-10 m
10-3 m
Mention the location of kidney in humans.
- Oxygen - 80% and Carbon dioxide - 20%
- Oxygen - 21% and Carbon dioxide - 0.04%
- Oxygen - 16% and Carbon dioxide - 4%
- Oxygen - 29% and Carbon dioxide - 71%
Name the following
The organic constituents of normal urine.
- Serum
- Red blood cells
- White blood cells
- Bile
(ii) The unit of the human kidney is called
- Red blood cells
- Blood platelets
- White blood cells
- None of these
The hardness of the bone tissue is due to the phosphates and carbonates of ___________ and ___________.
Calcium and Sodium
Magnesium and Potassium
Magnesium and Sodium
Calcium and Magnesium
How does a living cell behave in hypotonic and isotonic solutions?
What is a vitamin? What are its types?
HCl is produced in
intestine
liver
kidney
stomach
(i) Nitrogenous wastes in urine are in the form of
To which organ system tonsil, spleen and thymus belong to?
Respiratory system
Endocrine system
Nervous system
Lymphatic system
(i) What is the importance of iodized salt in our diet?
(ii) Why is it required?
(iii) Which disease may happen if it is in less amount in our body?
(iv) Nephron
Name the vitamins found in fishes and other aquatic animals.
Write any two functions of kidneys.
(iv) Filtration of excretory wastes from the blood occurs in:
- urinary bladder
- nephrons
- collecting tubule
- ureter