PYQSide ExamsMy practice

Chemical Coordination and Integration · Question 60

AIPMT 2007MCQEasy📈 Topic in 12% papers+4−1
1

Compared to a bull a bullock is docile because of:

  1. Lower levels of adrenalin/noradrenalin in its blood
  2. Lower levels of blood testosterone
  3. Higher levels of thyroxin
  4. Higher levels of cortisone

Answer

(2) Lower levels of blood testosterone

Solution

A bullock is a castrated bull, i.e. its testes are removed.

As per NCERT, the Leydig cells of the testis secrete androgens, mainly testosterone, which influence male sexual behaviour (libido) and aggressiveness.

Without testes the blood testosterone level is very low.

The bullock is docile because of lower levels of blood testosterone.

Answer: (2)

Out of syllabusAIPMT 2007

Keep practising — Chemical Coordination and Integration

2

Which hormone causes dilation of blood vessels, increased oxygen consumption and glucogenesis?

  1. Glucagon
  2. ACTH
  3. Insulin
  4. Adrenaline
AIPMT 2006
3

Which of the following is an accumulation and release center of neurohormones?

  1. Anterior pituitary lobe
  2. Posterior pituitary lobe
  3. Intermediate lobe of the pituitary
  4. Hypothalamus
AIPMT 2006
4

A steroid hormone which regulates glucose metabolism is

  1. cortisone
  2. cortisol
  3. corticosterone
  4. 11-deoxycorticosterone.
AIPMT 2006
5

Which one of the following is not a secondary messenger in hormone action?

  1. cAMP
  2. cGMP
  3. Calcium
  4. Sodium
AIPMT 2006
6

Which one of the following statements is correct?

  1. Endocrine glands regulate neural activity, but not vice versa.
  2. Neurons regulate endocrine activity, but not vice versa.
  3. Endocrine glands regulate neural activity, and nervous system regulates endocrine glands.
  4. Neither hormones control neural activity nor the neurons control endocrine activity.
AIPMT 2006
7

Which one of the following hormones is modified amino acid?

  1. Epinephrine
  2. Progesterone
  3. Prostaglandin
  4. Estrogen
AIPMT 2004
8

Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?

  1. Luteinizing hormone – Failure of ovulation
  2. Insulin – Diabetes insipidus
  3. Thyroxine – Tetany
  4. Parathyroid – Diabetes mellitus
AIPMT 2004
9

Chemically hormones are

  1. biogenic amines only
  2. proteins, steroids and biogenic amines
  3. proteins only
  4. steroids only
AIPMT 2004
10

Duodenum, which has characteristic Brunner's glands, secretes two hormones called

  1. kinase, estrogen
  2. secretin, cholecystokinin
  3. prolactin, parathormone
  4. estradiol, progesterone.
Out of syllabusAIPMT 2004
11

Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?

  1. Relaxin – Gigantism
  2. Prolactin – Cretinism
  3. Parathyroid hormone – Tetany
  4. Insulin – Diabetes insipidus
AIPMT 2003

All Chemical Coordination and Integration PYQs →

PDFDownload Chemical Coordination and Integration PYQs as PDF Free, with answer key and a QR code to every solution — print it or study offline⬇
All NEET Zoology chapters
Class 11Animal KingdomStructural Organisation in AnimalsBiomolecules (Biology)Digestion and AbsorptionBreathing and Exchange of GasesBody Fluids and CirculationExcretory Products and their EliminationLocomotion and MovementNeural Control and CoordinationChemical Coordination and Integration
Class 12Human ReproductionReproductive HealthEvolutionHuman Health and DiseaseBiotechnology: Principles and ProcessesBiotechnology and its ApplicationsBiology Experimental Skills