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प्रश्न
Name a waste gas released by the plants only during the night time.
उत्तर
Carbon dioxide is released only during the night because carbon dioxide produced during respiration in completely used up by the plant itself in photosynthesis.
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संबंधित प्रश्न
_____________ secreted by the (ii) _____________ lobe of the pituitary gland. If this hormone secretion is reduced, there is an increased production of urine. This disorder is called (iii) ____________. Sometimes excess glucose is passed with urine due to hyposecretion of another hormone called (iv) _____________ leading to the cause of a disease called (v) ______________.
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following questions:
(i) Label parts 1, 2, 3 and 4.
(ii) State the reason for the high hydrostatic pressure in the glomerulus.
(iii) Name the blood vessel which contains the least amount of urea in this diagram.
(iv) Name the two main stages of urine formation.
(v) Name the part of the nephron which lies in the renal medulla.
Write the functions of the Urinary bladder
Correct the following statements by changing the underlined words:
The normal pale yellow colour of the urine is due to the presence of the pigment Melanin.
What is the role of glomerulus in the kidney?
What are the methods used by plants to get rid of their waste products?
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
(a) breath
(b) sweat
(c) urine
(d) faeces
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Excess sugar in the blood is a symptom of diabetes.
Name the following:
The vein in which urea concentration is maximum
Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.
Study the diagram given alongside and then answer the question that follow:
Name the parts labelled 1, 2, 3, and 4.
Name the Following
The Inner concave margin of kidney.
Give Technical Term:
The tube joining the kidney to the urinary bladder.
Choose the correct option.
The minor calyx _______.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
Elimination of nitrogenous wastes in the form of uric acid takes place in ____________.
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
An organ that produces urea:
The main nitrogenous waste formed in the human body:
