MCQ Chapter 7 Control and Coordination Class 10 Science

Please refer to Control and Coordination MCQ Questions Class 10 Science below. These MCQ questions for Class 10 Science with answers have been designed as per the latest NCERT, CBSE books, and syllabus issued for the current academic year. These objective questions for Control and Coordination will help you to prepare for the exams and get more marks.

Control and Coordination MCQ Questions Class 10 Science

Please see solved MCQ Questions for Control and Coordination in Class 10 Science. All questions and answers have been prepared by expert faculty of standard 10 based on the latest examination guidelines.

MCQ Questions Class 10 Science Control and Coordination

Question. Which is not true about brain:
(a) there are lobes in fore brain
(b) Centres of hearing, smell, memory are located in fore brain
(c) Involuntary actions are controlled by medulla in hind brain
(d) Cerebellum does not control postures

Question. The plant hormone which triggers the fall of mature leaves and fruits from the plant body is:
(a) Auxin
(b) Gibberellin
(c) Abscisic acid
(d) Cytokinin

Question. Choose incorrect statement about insulin
(a) It is produced by pancreas
(b) it regulates the growth and development of body
(c) it regulates blood sugar level
(d) deficiency causes diabetes

Question. Which of the following is a plant hormone:
(a) insulin
(b) thyroxin
(c) oestrogen
(d) cytokinin

Question. Following questions consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Assertion(A) : Insulin regulates blood sugar level.
Reason (R) : Insufficient secretion of insulin will cause diabetes.

Question. Impulse flows from ___.
(a) dendrite to axon in same neuron
(b) axon to dendrite
(c) nodes of ranvier to axon
(d) none

Question. The brain is lodged inside the cavity of the skull known as:
(a) Piamater
(b) Duramater
(c) Cranium
(d) Meninges

Question. Which Statement Is Not True About Thyroxin?
(a) Iron is essential for the synthesis of thyroxin
(b) It regulates carbohydrates, protein and fat metabolism in the body
(c) Thyroid gland requires iodine to synthesis thyroxin
(d) Thyroxin is also called thyroid hormone

Question. Lower portion of brain that extends downwards into spinal cord is called:
(a) olfactory lobes
(b) Cerebellum
(c) Medullacorrect
(d) Pons

Question. Hormones have ______ effect.
(a) stimulatory
(b) inhibitory
(c) both stimulatory & inhibitory
(d) nonregulatory

Question. Which of the following endocrine glands is unpaired?
(a) Adrenal
(b) Pituitary
(c) Testes
(d) Ovary

Question. Central canal of the spinal cord contains:
(a) Cerebrospinal fluidcorrect
(b) Aqueous humour
(c) Interstitial fluid
(d) Pleural fluid

Question. In a neuron, conversion of electrical signal to a chemical signal occurs in:
(a) cell body
(b) axonal end
(c) axon
(d) dendrite

Question. The substance that triggers the fall of mature leaves and fruits from plants is ____.
(a) Auxin
(b) gibberellin
(c) cytokinin
(d) Abscisic acid

Question. Which part of nerve cell acquire information at first
(a) nerve ending
(b) axon
(c) nucleus
(d) dendritic tip

Question. Name the harmone which is utilized to produce seedless fruit without fertilization:
(a) ethylene
(b) gibberellins
(c) auxins
(d) none of there

Question. Iodine is necessary for the synthesis of which hormone?
(a) Adrenaline
(b) Thyroxin
(c) Auxin
(d) Insulin

Question. Which endocrine gland is called master gland:
(a) pituitary
(b) adrenal
(c) thyroid
(d) pancreas

Question. The hormone which increases the fertility in males is called
(a) Oestrogen
(b) Testosterone
(c) Insulin
(d) Growth hormone

Question. 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

Question. For the synthesis of which of the following hormones is iodine necessary?
(a) Adrenaline
(b) Auxin
(c) Thyroxine
(d) Insulin

Question. Which is not a part of neuron ?
(a) synaptic cleft
(b) lobe
(c) dendrite
(d) nucleus

Question. 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

Question. The upward and downward growth of shoots and roots, respectively, in response to the pull of earth or gravity is
(a) hydrotropism
(b) geotropism
(c) chemotropism
(d) none of the above

Question. Dramatic changes of body features associated with puberty are mainly because of secretion of
(а) oestrogen from testes and testosterone from ovary
(b) estrogen from adrenal gland and testosterone from pituitary gland
(c) testosterone from testes and estrogen from ovary
(d) testosterone from thyroid gland and estrogen from pituitary gland

Question. The mixed gland found in humans is:
(a) pancreatic gland
(b) thyroid gland
(c) pituitary gland
(d) adrenal gland

Question. Spinal cord originates from
(a) cerebrum
(b) medulla
(c) pons
(d) cerebellum

Question. The dramatic changes in body features associated with puberty are mainly because of the secretions of:
(a) Estrogen from testes and testosterone from ovary
(b) Estrogen from adrenal gland and testosterone from pituitary gland
(c) Testosterone from testes and estrogen from ovary
(d) Testosterone from thyroid gland and estrogen from pituitary gland

Question. Spinal cord is made up of ………………
(a) Nephrons
(b) Nerves
(c) both a and b
(d) Neither a nor b

Question. Hormone secreted by the testes is:
(a) testosterone
(b) progesterone
(c) insulin
(d) T.S.H

Question. Neurons communicate by sending electrical impulses called _____.
(a) membrane potentials
(b) action potentials
(c) neurotransmitters
(d) neuromodulators

Question. Which of the following control and regulate the life process?
(a) Reproductive and endocrine systems
(b) Respiratory and nervous systems
(c) Endocrine and digestive systems
(d) Nervous and endocrine systems

Question. The growth of stem is known as…
(a) geotropism
(b) gravitropism
(c) positive geotropism
(d) negative geotropism

Question. Nerves from all over the body meet in a bundle in the ___ on their way to the brain
(a) ear
(b) spinal cord
(c) cervical spine
(d) none of the above

Question. Which one of the endocrine glands is known as the master gland?
(a) Pituitary
(b) Adrenal
(c) Thyroid
(d) Parathyroid

Question. 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

Question. Which of the following endocrine glands does not occur as a pair in human body?
(a) Adrenal
(b) Pituitary
(c) Testis
(d) Ovary

Question. The skeletal muscles are controlled by which nervous system ?
(a) somatic N.S
(b) Autonomic N.S
(c) glial cells
(d) all

Question. Insulin is secreted by:
(a) stomach
(b) liver
(c) pancreas
(d) kidney

Question. Melanocyte stimulating hormone is secreted from ______ pituitary gland.
(a) anterior
(b) intermediate
(c) posterior
(d) dorsal

Question. The hormone responsible for a male secondary sexual character is
(a) Testosterone
(b) Oestrogen
(c) Growth Hormone
(d) Thyroxin

Question. The main function of the plant hormone called abscisic acid is to:
(a) Increase the length of cells
(b) Promote cell division
(c) Inhibit growth
(d) Promote growth of stem and roots

Question. Following harmone is produced by pancreas
(a) thyroxin
(b) insulin
(c) growth
(d) all of the above

Question. Junction between two neurons is called
(a) cell junction
(b) neuro muscular junction
(c) neural joint
(d) synapse

Question. A growing seedling is kept in a dark room. A burning lamp is placed near to it for a few days. The top part of seedling bends towards the burning candle. This is an example of:
(a) Chemotropism
(b) Hydrotropism
(c) Phototropism
(d) Geotropism

Question. Part of the brain which controls respiration and heart beat is:
(a) medulla
(b) cerebellum
(c) diencephalon
(d) cerebrum

Question. Which of the following plants shows thermonasty at higher temperatures?
(a) Lotus
(b) Sunflower
(c) Tulip
(d) Mimosa

Question. The growth of tendrils in pea plants is due to the:
(a) Effect of sunlight on the tendril cells facing the sun
(b) Effect of gravity on the part of tendril hanging down towards the earth
(c) Rapid cell division and elongation in tendril cells that are away from the support
(d) Rapid cell division and elongation in tendril cells in contact with the support

Question. ____ conducts impulse from peripheral body parts to brain .
(a) sensory nerve
(b) motor nerve
(c) interneurons
(d) microglia

Question. Hyposecretion of insulin causes:
(a) hypocalcemia
(b) diabetes mellitus
(c) hypercalcemia
(d) irregular growth.