Class 10 Control And Coordination CBSE Questions & Answers

Class 10 · Control And Coordination

This is online test 03 for CBSE class 10 Science Control and Coordination.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
“Chemically, hormones may be polypetides and proteins, amino acids and their derivatives or steroids” the above statement is
  • A
    false.
  • B
    Partially false
  • C
    True
    Correct
  • D
    Partially true
2
The junction between the axon of one neuron and dentrite of the next is called
  • A
    Constant bridge
  • B
    Junction point
  • C
    A synapse
    Correct
  • D
    A joint
3
Which of the following is nastic movement?
  • A
    roots moving downwards
  • B
    Shoots moving towards light
  • C
    Opening of flower (evening primrose)
    Correct
  • D
    The growth of pollen tube towards a chemical
4
Posture and balance of the body is controlled by.
  • A
    Medulla
  • B
    Cerebrum
  • C
    Cerebellum
    Correct
  • D
    Pons
5
Which growth hormone is present in the tip of the stem?
  • A
    Gibberellin
  • B
    Ethylene gas.
  • C
    Auxin
    Correct
  • D
    Cytokinin
6
Name the connective tissue covering of the brain
  • A
    Cerebrospinal fluid
  • B
    Meninges
    Correct
  • C
    Squamous epithelial
  • D
    Adipose tissue
7
Which part of the brain is concerned with muscular coordination in the body?
  • A
    Parietal 10 be
  • B
    Temporal toke
  • C
    Pons
  • D
    Cerebellum
    Correct
8
Which one of the endocrine gland is known as in master gland
  • A
    Adrenal
  • B
    Thyroid
  • C
    Parathyroid s
  • D
    Pituitary
    Correct
9
The production of which hormone in adults lead to a gorilla – like appearance called acromegaly?
  • A
    Growth hormone
    Correct
  • B
    Thyroxine
  • C
    Testosterone
  • D
    Adrenaline
10
If the parathyroid gland is damaged, there may be a
  • A
    fall in phosphorus level
  • B
    fall in calcium level
    Correct
  • C
    rise in calcium level
  • D
    rise in phosphorus level
11
Which body cell is the longest.
  • A
    Bone cell
  • B
    Gland cells
  • C
    Nerve cells
    Correct
  • D
    Muscle cell
12
Statement A : There are 31 pairs of cranial nerves and 12 pairs of spinal nerves , Statement B : Ethylene inhibits growth
  • A
    Statement B is true, A is false
  • B
    Statement A is true, B is false
    Correct
  • C
    Both the statement A and B are true
  • D
    Neither statement A nor statement B is true
13
Statement A : Reflexes may be inborn , Statement B : Electrical activity of the brain is reconciled through an instruement called stethoscope
  • A
    Statement A is true, B is false
    Correct
  • B
    Neither statement A nor Statement B is true.
  • C
    Both the statement A and B are true
  • D
    Statement B is true, A is false
14
Statement A : Nissel’s granules are located in Axon. , Statement B : Cytokinin causes seed germination and flowering
  • A
    Statement B is true, A is false
  • B
    Neither Statement A nor statement B is true
    Correct
  • C
    Both the statement A and B are is true
  • D
    Statement A is true, B is false
15
Diabetes mellitus is caused by deficiency of-
  • A
    Glucagon
  • B
    Insulin
    Correct
  • C
    Adrenaline
  • D
    Thyroxin