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प्रश्न
Think of the following: Tears, sweat, saliva, milk, Insulin, urine.
What are these excretion or secretion ? Why ?
उत्तर
Except urine, all others listed are secretions, because secretion is giving out by a cell or gland some substances that have some utility for the body. While excretion is the passing out of substances that have no further use in the body or are harmful.
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संबंधित प्रश्न
Name the following:
A chordate animal having flame cells as excretory structures
Fill in the blank.
.................. carries urine from the kidney to the urinary bladder.
Differentiate between
ureter and urethra.
Choose the Odd One Out:
Column 2 is a list of items related to ideas in Column 1. Match the term in Column 2 with the suitable idea given in Column 1.
| Column 1 | Column 2 | ||
| i | Liver | a | basic unit of the brain |
| ii | Ova | b | stimulated by light |
| iii | Alveoli | c | deoxygenated blood |
| iv | Cochlea | d | part of the sclera |
| v | Vein | e | haploid cell |
| vi | Neuron | f | blind sacs |
| vii | Stomata | g | found in the kidney |
| viii | Grana | h | audio receptors |
| i | diffusion of gases | ||
| j | breakdown of proteins | ||
| k | diploid cell | ||
Choose the correct option.
In reptiles, uric acid is stored in ______.
Circle the odd one.
Identify the labels (a, b, c, d) in the given diagram of the Malpighian corpuscle and choose the correct option.
The filtration units of kidneys are called
Arrange and rewrite the term in the group in the correct order so as to be in a logical sequence, beginning with the term that is underlined.
Lungs, Right auricle, Inferior venacava, Pulmonary Artery.
