Chemical Coordination Test

Chemical Coordination

This is Chemical Coordination Test-01 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following is not a mixed/composite gland? Pineal Pancreas Testis Placenta A gland that contain both exocrine and endocrine portion is called mixed or composite gland. These glands secretes both hormone and enzymes. Pineal gland is an example of composite gland.
  • A
    Pineal
    Correct
  • B
    Testis
  • C
    Placenta
  • D
    Pancreas
2
By chemical nature, hormones are never :
  • A
    steroids
  • B
    monosaccharide derivatives
    Correct
  • C
    amino acid derivatives
  • D
    proteins
3
Glucocorticoids regulate metabolism of :
  • A
    proteins and carbohydrates
  • B
    only carbohydrates
  • C
    fats and carbohydrates
  • D
    carbohydrates,lipids and proteins
    Correct
4
The hormone secreted by pars intermedia of hypophysis is :
  • A
    TSH
  • B
    ACTH
  • C
    MSH
    Correct
  • D
    GH
5
Adrenal medulla consists of a cluster of _____ nerves and those cells are also known as _____ cells :
  • A
    parasympathetic , clear
  • B
    sympathetic , chromaffin
    Correct
  • C
    sympathetic , paraffin
  • D
    parasympathetic , follicular
6
Process of parturition is facilitated by :
  • A
    Relaxin
  • B
    Oxytocin
  • C
    Gonadotropins
  • D
    both B & C
    Correct
7
The largest endocrine gland is
  • A
    Testis
  • B
    Pituitary
  • C
    Thyroid
    Correct
  • D
    Pancreas
8
Match the following : Hormone a) Parathormone b) Oxytocin c) Sex hormone d) Norepinephrine nature i) polypeptide ii) amino acid derivative iii)peptide iv) steroid
  • A
    a)-i, b)-iii, c)-iv, d)-ii
    Correct
  • B
    a)-iii, b)-ii, c)-i, d)-iv
  • C
    a)-ii, b)-iii, c)-iv, d)-i
  • D
    a)-iii, b)-iv, c)-ii, d)-i
9
Old people usually exhibit weaker immune power due to degeneration of
  • A
    Parathyroid gland
  • B
    Hypothalamus
  • C
    Pineal gland
  • D
    Thymus gland
    Correct
10
Thyroid gland do not secrete
  • A
    \({T_4}\)
  • B
    \({T_3}\)
  • C
    Melatonin
    Correct
  • D
    Calcitonin
11
The hormone causing release of milk after the birth of young one is :
  • A
    Prolactin
  • B
    progesterone
  • C
    relaxin
  • D
    Oxytocin
    Correct
12
Thermostat for the body is :
  • A
    adrenal
  • B
    hypothalamus
    Correct
  • C
    pituitary
  • D
    pineal
13
Hormone which acts on hypothalamus to decrease food intake, stimulate satiety and increase energy output is :
  • A
    Growth hormone
  • B
    Gastrin
  • C
    Secretin
  • D
    Leptin
    Correct
14
Match the following : Hormone a) Follicle stimulating hormone b) Luteinising hormone c) Cortisol d) Aldosterone Target tissue/cell i) liver ii) kidney tubule iii)sertoli cells iv) interstitial cells
  • A
    a)-iii, b)-iv, c)-i, d)-ii
    Correct
  • B
    a)-iv, b)-iii, c)-ii, d)-i
  • C
    a)-iii, b)-ii, c)-i, d)-iv
  • D
    a)-iv, b)-iii, c)-i, d)-ii
15
Read the following : i. Major pineal hormone is melatonin. ii. In human beings, melatonin secretion increases in light and decreases in dark. iii. Abnormally high levels of melatonin in children causes delayed sexual development.
  • A
    all are correct.
  • B
    onlyi) and ii) are correct.
  • C
    onlyi) is correct.
  • D
    onlyi) and iii) are correct.
    Correct