HARD
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In ureotelic animals, which one pair of the following wastes are removed from the blood?

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Important Questions on Excretory Products and Their Elimination

EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Which one of the following hormones is not involved in sugar metabolism?
MEDIUM
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Which one of the following hormones though synthesized elsewhere, is stored and release by the master gland?
MEDIUM
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Which of these is not an important component of initiation of parturition in humans?
EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
The major excretory product of birds is:
HARD
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Which one of the following statements is incorrect?
MEDIUM
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
The amino acid tryptophan is the precursor for the synthesis of:
MEDIUM
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Which of the following hormones that controls blood pressure is secreted by human heart?
HARD
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Which of the animal groups show uricotelism?
EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Nitrogenous waste is excreted in the form of pellet or paste by:
HARD
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :
EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
The posterior pituitary gland is not a 'true' endocrine gland because
EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
The rigidity of cellulose is due to:
EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Name a peptide hormone which acts mainly on hepatocytes and adipocytes and enhances cellular glucose uptake and utilisation.
MEDIUM
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Three uniformly watered plants i, ii and iii were kept in 45% relative humidity, 45% relative humidity with blowing wind and 95% relative humidity, respectively. Arrange these plants in the order (faster to slowest) in which they will dry up.
EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Oxytocin and vasopressin are synthesized in
MEDIUM
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion

Match List I and List II

  List I   List II
A Taenia I Nephridia
B Paramoecium II Contractile vacuole
C Periplaneta III Flame cells
D Pheretima IV Uricose gland

Choose the correct answer from the options given below: 

EASY
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
The major nitrogenous excretory product in mammals is:
MEDIUM
Biology>Human Physiology>Excretory Products and Their Elimination>Modes of Excretion
Discuss the statement: The nature of nitrogenous waste and its excretion depends on the availability of water. Explain it using any two examples.