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प्रश्न
Fill in the following blank with suitable word:
Gums and resins are the .......... products of plants.
उत्तर
Gums and resins are the waste products of plants.
APPEARS IN
संबंधित प्रश्न
The nephrons discharge their urine at ______.
The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:
(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female reproductive system.
(iii) What is the role of part 7?
Name the two parts of a plant through which its gaseous waste products are released into the air.
Name the various organs of the human excretory system.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
In human beings, urea is produced in :
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Urine is devoid of blood cells.
Differentiate between
tannins and resins
Write down the functional activity of the following parts,
Renal artery ………………
Define the following term:
Micturition
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The kidney is composed of number of neurons.
Choose the correct answer:
Composition of extracellular fluid is regulated by ___________
Choose the correct answer:
Narrow apex of pyramid in kidney is called ___________
Choose the odd one out in the following series:
Proximal convoluted duct, loop of Henle, vein.
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Name the Following
The branch of renal artery which enters into Bowman’s capsule.
State the Location: Medulla of Kidney
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion?
Give two examples of the following:
Water-soluble vitamins
