Chapter 7 Control and Coordination MCQs for Class 10 Science

Chapter 7 Control and Coordination MCQs for Class 10 Science

Here students can practice Chapter 7 Control and Coordination MCQs for Class 10 Science. All the MCQs are divided into several sub-pages. Each page has 40 MCQs, for the next page just scroll down and click on the buttons. Also you can practice Class 10 Science MCQs (Multiple Choice Questions) for other chapters.

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Q 1.: Nondirectional plant movements are called

(A) Nastic movements

(B) Tropic movements

(C) Cyclosis

(D) Tactic movements

Option – (a)

Q 2.: The hormone not associated with growth of plant is

(A) Auxins Gibberellins

(B) Abscisic acid

(C) Gibberellins 

(D) Cytokinins

Option – (d)

Q 3.: The phytohormone that reduces transpiration and induces                       dormancy in seeds is

(A) Ethylene

(B) Acetylene

(C) Abscisic acid

(D) Gibberellins

Option – (c)

Q 4.: The growth of pollen tubes towards ovules is due to

(A) Hydrotropism

(B) Chemotropism

(C) Geotropism

(D) Phototropism

Option – (b)

Q 5.: The movement of shoot towards light is

(A) Geotropism

(B) Hydrotropism

(C) Chemotropism

(D) Phototropism

Option – (d)

Q 6.: The substance that triggers the fall of mature leaves and fruits                from plants

(A) Auxins 

(B) Gibberellins

(C) Abscisic acid

(D) Cytokinins

Option – (c)

Q 7.: Hormone that delays aging in plants is

(A) Ethylene

(B) Gibberellins

(C) Cytokinins

(D) Abscisic acid

Option – (d)

Q 8.: Hormone that stimulates growth of internodal region in plants is

(A) Gibberellins

(B) Cytokinins

(C) IAA

(D) IBA

Option – (a)

Q 9.: Artificial ripening of fruits is carried out by

(A) Auxins 

(B) Kinetin

(C) Ethylene

(D)Zeatin

Option – (c)

Q 10.: The centre of sense of smell in the brain is

(A) Midbrain

(B) Olfactory lobes

(C) Cerebellum

(D) Cerebrum

Option – (b)

Q 11.: The number of cranial nerves are present in human beings are

(A) 12 pairs

(B) 31 pairs

(C) 24 pairs

(D) 10 pairs

Option – (a)

Q 12.: The cerebral lobe responsible for auditory reception is

(A) Occipital

(B) Frontal

(C) Temporal

(D)Parietal

Option – (c)

Q 13.: The correct order of sequence in a reflex arc is 

(A) Receptor→Sensory→neuron →Motor neuron→Muscle  

(B) Receptor→Motor neuron→Sensory neuron→Muscle

(C) Sensory neuron→Receptor→Motor neuron→Muscle

(D)Muscle→Receptor cells→Motor neuron→Sensory

Option – (a)

Q 14.: The  use of iodised salt is recommended to prevent

(A) Diabetes

(B) Tetany

(C) Goitre

(D) Hypotension

Option – (c)

Q 15.: Dwarfism results due to

(A) Excess of secretion of thyroxine

(B) Less secretion of growth hormone in childhood

(C) Excess secretion of growth hormone in adult

(D) Less secretion of growth hormone in adult

Option – (b)

Q 16.: What is the function of pituitary gland?

(A) To develop sex organs in males 

(B) To stimulate growth in all organs 

(C) To regulate sugar and salt level in the body

(D) To initiate metabolism in the body

Option – (b)

Q 17.: Which option correctly shows the order of events when a bright              light is focused on our eyes?

(A) Bright light→Receptors in eyes→Sensory neuronaspinal cord→Motor neurons→Eyelid closes

(B) Bright light→Receptors in eyes→ Spinal cord→Sensory neuron→ Motor neurons→ Eyelid closes

(C) Bright light→Receptors in eyes→ Sensory neuron→ motor neurons→ spinal cord→Eyelid closes

(D) Bright light→ Receptors in eyes→Spinal cord motor neurons→ Sensory neuron→Eyelid closes

Option – (a)

Q 18.: A female is suffering from an irregular menstrual cycle. The                      doctor prescribed her some hormonal tablets. Which option                      shows the hormone she lacks in her body from the endocrine                  gland?

(A) Oestrogen 

(B) Testosterone

(C) Adrenalin

(D) Thyroxin

Option – (a)

Q 19.: When we touch the leaves of “Touch-me-not” plant, they begin                to fold up and droop. How does the plant communicate the                      information of touch?

(A) The plant uses electrical signals to transfer information from the external environment to cells.

(B) The plant uses electrical-chemical signals to transfer information from cell to cell.

(C) The plant uses electrical-chemical signals to transfer information from tissue to specialized cells.

(D) The plant uses electrical signals to transfer information from cell to specialized tissues.

Option – (b)

Q 20.: How will information travel within a neuron?

(A) Dendrite→Cell body→Axon→Nerve ending

(B) Dendrite→Axon→Cell body→Nerve ending

(C) Axon→Dendrite→Cell body→Nerve ending 

(D) Axon→Cell body→Dendrite→Nerve ending

Option – (a)

Q 21.: Which type of tropism does he observe?

(A) Geotropism

(B) Phototropism

(C) Chemotropism

(D) Hydrotropism

Option – (c)

Q 22.: Which part of the brain controls the blood pressure?

(A) Spinal cord, Skull , Hypothalamus

(B) Cord, Skull, Cerebrum

(C) Pons, Medulla, Cerebellum

(D) Pons, Medulla, Pituitary

Option – (c)

Q 23.: Posture and balance of the body is controlled by

(A) Cerebrum

(B) Cerebellum

(C) Medulla

(D) Pons

Option – (b)

Q 24.: The main function of abscisic acid in plants is to

(A) Increase the length of cells

(B) Promote cell division

(C) Inhibit growth

(D) Promote growth of stem

Option – (c)

Q 25.: Choose the incorrect statement about insulin

(A) It is produced from pancreas

(B) It regulates growth and development of the body

(C) It regulates blood sugar level

(D) Insufficient secretion of insulin will cause diabetes

Option – (b)

Q 26.: Select the mis-matched pair:

(A) Adrenaline: Pituitary gland

(B) Testosterone: Testes

(C) Estrogen: Ovary

(D) Thyroxin: Thyroid gland

Option – (a)

Q 27.: The shape of guard cells changes due to change in the

(A) Protein composition of cells

(B) Temperature of cells

(C) Amount of water in cells

(D) Position of nucleus in the cells

Option – (c)

Q 28.: The growth of tendril in pea plants is due to 

(A) Effect of light

(B) Effect of gravity

(C) Rapid cell divisions in tendrillar cells that are away from the support

(D) Rapid cell divisions in tendrillar cells in contact with the support

Option – (c)

Q 29.: Which of the following is not an involuntary action?

(A) Vomiting

(B) Salivation

(C) Heart beat

(D) Chewing

Option – (d)

Q 30.: A doctor advised a person to take an injection of insulin                              because 

(A) His blood pressure was low

(B) His heart was beating slowly

(C) He was suffering from goitre

(D) His sugar level in blood was high

Option – (d)

Q 31.: Junction between two neurons is called

(A) Cell junction

(B) Neuro muscular junction

(C) Neural joint

(D) Synapse

Option – (d)

Q 32.: In humans , the life processes are controlled and regulated by

(A) Reproductive and endocrine systems

(B) Respiratory and nervous systems

(C) Endocrine and digestive systems

(D) Nervous and endocrine systems

Option – (d)

Q 33.: Impulse flows from____________.

(A) Dendrite to axon in same neuron

(B) Axon to dendrite

(C) Nodes of ranvier to axon

(D) None

Option – (a)

Q 34.: The movement of root away from light is:

(A) Positive phototropism

(B) Negative phototropism

(C) Negative hydrotropism

(D) Positive hydrotropism

Option – (b)

Q 35.: Cretinism results due to:

(A) Excess secretion of growth hormone

(B) Under secretion of thyroxin

(C) Excess secretion of adrenaline

(D) Under secretion of growth hormone

Option – (b)

Q 36.: The brain is responsible for____________.

(A) Balancing of body

(B) Thinking

(C) Regulating heart beat

(D) All

Option – (d)

Q 37.: Involuntary actions in the body are controlled by__________.

(A) Medulla in fore brain

(B) Medulla in mid brain

(C) Medulla in hind brain

(D) Medulla in spinal brain

Option – (c)

Q 38.: In humans the life process is regulated and controlled by_________.

(A) Reproductive and endocrine systems

(B) Respiratory and nervous systems

(C) Endocrine and digestive systems

(D) Nervous and endocrine system

Option – (d)

Q 39.: The nervous system is divided into the_________and                                          the_________;the former consists of

(A) CNS, PNS, the brain and spinal cord; nerves around the body

(B) CNS, PNS, the nerves around the body; the ventricles

(C) ANS, PNS, the nerves around the body; the ventricles

(D) ANS, CNS, the nerves around the body; the brain and spinal cord

Option – (a)

Q 40.: What is the role of Schwann cells in neuron?

(A) Somatic N.S

(B) Autonomic N.S

(C) Glial cells

(D) All

Option – (b)

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We hope that these Chapter 7 Control and Coordination MCQs for Class 10 Science helped you in learning new concepts. All questions are based on NCERT syllabus and some of them have been asked in various competitive exams. You can go to the next pages to practice more for Chapter 7 Control and Coordination MCQs for Class 10 Science, click on the question range given above.

Also you can practice Class 10 Science MCQs (Multiple Choice Questions) for other chapters.