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Hormones (GATE - XL)

Proteins

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following hormones triggers ovulation in starfish?

  1. SQH (status quo hormone)
  2. PGH (prothoracic gland hormone)
  3. GSS (gonad stimulating substance)
  4. MIS (maturation inducing substance)
Question 2 Multiple Choice (Single Answer)

The prothoracic glands of insects secrete ecdysone. It performs which of the following functions in an insect?

  1. Delays metamorphosis
  2. Induces molting
  3. Induces pupation
  4. Leads to development of egg
Question 3 Multiple Choice (Single Answer)

Dorsal bodies stimulate vitellogenesis in

  1. Lymnaea
  2. octopus
  3. butterfly
  4. cockroach
Question 4 Multiple Choice (Single Answer)

Which of the following hormones is chemically an amino acid derivative?

  1. Cortisol
  2. Thyrotropin
  3. Adrenalin
  4. Secretin
Question 5 Multiple Choice (Single Answer)

In crustaceans, the molt-inhibiting hormone (MIH) is produced in which of the following organs?

  1. Sinus gland
  2. X-organ
  3. Y-organ
  4. Androgenic gland
Question 6 Multiple Choice (Single Answer)

Asprosin lacks from a person's body in which of the following conditions?

  1. Ovarian cancer
  2. Insulin resistance
  3. Wiedemann–Rautenstrauch syndrome
  4. Bile acid diarrhoea
Question 7 Multiple Choice (Single Answer)

Bursicon is an insect hormone. Which of the following roles is performed by it?

  1. It inhibits the generation of juvenile hormone.
  2. It stimulates the molting process.
  3. It aids in egg development.
  4. It plays a role in the maturation of wings.
Question 8 Multiple Choice (Single Answer)

Anti-Müllerian hormone (AMH) prevents the development of Müllerian ducts in males. It is secreted by

  1. interstitial cells
  2. sertoli cells
  3. seminal vesicles
  4. bulbourethral glands
Question 9 Multiple Choice (Single Answer)

In humans, melatonin is secreted by the pineal gland. Which of the following functions is affected by melatonin?

  1. Metabolism
  2. Circadian rhythm
  3. Glycogenolysis
  4. Lipolysis
Question 10 Multiple Choice (Single Answer)

The emergence of a new discipline called neuroendocrinology is due to which of the following functions of hormones?

  1. Homeostatic function
  2. Permissive function
  3. Integrative function
  4. Morphogenetic function
Question 11 Multiple Choice (Single Answer)

Which of the following cells secrete amylin?

  1. Delta cells of pancreas
  2. Alpha cells of pancreas
  3. Beta cells of pancreas
  4. PP-cells of pancreas
Question 12 Multiple Choice (Single Answer)

Which of the following human hormones inhibits platelet activation and also acts as an effective vasodilator?

  1. Prostaglandin
  2. Thromboxane
  3. Leukotriene
  4. Prostacyclin
Question 13 Multiple Choice (Single Answer)

Which of the following hormones acts as a precursor of estrogen?

  1. Testosterone
  2. Aldosterone
  3. Androsterone
  4. Progesterone
Question 14 Multiple Choice (Single Answer)

Hormones are non-specific in nature. Which of the following animals is/are stimulated by auxin?

  1. Humans
  2. Euglena viridis
  3. Crustaceans
  4. Paramecium
Question 15 Multiple Choice (Single Answer)

Enkephalin is produced in which of the following organs?

  1. Pancreas
  2. Vascular endothelium
  3. Gall bladder
  4. Kidney
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