Chapter 2: Coordination & Control - Biology Mcqs for High School - Grade 10 - Set 14

1)   Glucagon influence the liver to release the

a. sugar
b. glucose
c. salts
d. blood cells
Answer  Explanation 

ANSWER: glucose

Explanation:
No explanation is available for this question!


2)   The hormone which forces the liver to secrete glucose in the blood is called

a. vasosteriods
b. testosterone
c. glucagon
d. insulin
Answer  Explanation 

ANSWER: glucagon

Explanation:
No explanation is available for this question!


3)   The white matter of the spinal cord is made of

a. myelinated dendrite
b. non myelinated dendrite
c. myelinated axon
d. non myelinated axon
Answer  Explanation 

ANSWER: myelinated axon

Explanation:
No explanation is available for this question!


4)   The size of the pupil is adjusted by

a. ciliary muscles
b. retina
c. eye socket
d. muscles of iris
Answer  Explanation 

ANSWER: muscles of iris

Explanation:
No explanation is available for this question!


5)   If a person lacks iodine, the thyroid gland will be

a. swell
b. short
c. enlarge
d. damage
Answer  Explanation 

ANSWER: enlarge

Explanation:
No explanation is available for this question!


6)   Considering the internal structure of the human ear, the center of the inner ear is called

a. incus
b. malleus
c. oval window
d. vestibule
Answer  Explanation 

ANSWER: vestibule

Explanation:
No explanation is available for this question!


7)   Glands without duct are called

a. endocrine glands
b. exocrine glands
c. ductless glands
d. ducted glands
Answer  Explanation 

ANSWER: endocrine glands

Explanation:
No explanation is available for this question!


8)   The two types of feedback mechanism are

a. plus and minus
b. above and below
c. positive and negative
d. constructive and destructive
Answer  Explanation 

ANSWER: positive and negative

Explanation:
No explanation is available for this question!


9)   There is only one axon and many dendrites in

a. motor neurons
b. sensory neurons
c. rotator neurons
d. saltatory neurons
Answer  Explanation 

ANSWER: motor neurons

Explanation:
No explanation is available for this question!


10)   Clusters of neuron cell bodies outside CNS are called

a. axons
b. ganglia
c. nerves
d. dendrites
Answer  Explanation 

ANSWER: ganglia

Explanation:
No explanation is available for this question!


11)   The wax and hairs in the auditory canal protect from

a. pollution
b. air
c. small insects
d. light
Answer  Explanation 

ANSWER: small insects

Explanation:
No explanation is available for this question!


12)   Patients of epilepsy have to take medicines

a. monthly
b. yearly
c. hourly
d. daily
Answer  Explanation 

ANSWER: daily

Explanation:
No explanation is available for this question!


13)   The principles of pinhole camera are described by

a. Ibn Sina
b. Al Beruni
c. Ibn al-Haithem
d. Ali ibn Isa
Answer  Explanation 

ANSWER: Ibn al-Haithem

Explanation:
No explanation is available for this question!


14)   The smallest bone present in the human body is

a. pinna ligament
b. aqueous wax
c. stapes
d. vitreous wax
Answer  Explanation 

ANSWER: stapes

Explanation:
No explanation is available for this question!


15)   In the hindbrain, the part of the brain through which the information passes between the brain and spinal cord is called

a. temporal lobe
b. occipital lobe
c. medulla oblongata and pons
d. cerebrum
Answer  Explanation 

ANSWER: medulla oblongata and pons

Explanation:
No explanation is available for this question!


16)   Motor functions are controlled by

a. frontal lobe
b. parietal lobe
c. occipital lobe
d. temporal lobe
Answer  Explanation 

ANSWER: frontal lobe

Explanation:
No explanation is available for this question!


17)   In animals and man, the nervous system is composed of components that includes

a. central nervous system only
b. peripheral nervous system only
c. myelin nervous system
d. central nervous system and peripheral nervous system
Answer  Explanation 

ANSWER: central nervous system and peripheral nervous system

Explanation:
No explanation is available for this question!


18)   Sensory pathway conducts impulses from

a. receptors to central nervous system
b. central nervous system to effectors
c. glands to effectors
d. glands to receptors
Answer  Explanation 

ANSWER: receptors to central nervous system

Explanation:
No explanation is available for this question!


19)   In bright light, pupil

a. dilates
b. constricts
c. remains same
d. none of above
Answer  Explanation 

ANSWER: constricts

Explanation:
No explanation is available for this question!


20)   The forebrain is highly developed in

a. humans
b. birds
c. animals
d. reptiles
Answer  Explanation 

ANSWER: reptiles

Explanation:
No explanation is available for this question!


21)   The fatty layer secreted by Schwann cells is classified as

a. malign coating
b. Schwann coating
c. ranvier sheath
d. myelin sheath
Answer  Explanation 

ANSWER: myelin sheath

Explanation:
No explanation is available for this question!


22)   The Pons which is part of the medulla of hindbrain coordinates

a. controls emotions and thinking
b. controls rage and pain
c. controls vomiting and coughing
d. breathing
Answer  Explanation 

ANSWER: breathing

Explanation:
No explanation is available for this question!


23)   The dip in the retina which is packed with the cone cells and is located opposite to the lens is called

a. cornea disc
b. choroid disc
c. optical disc
d. fovea
Answer  Explanation 

ANSWER: fovea

Explanation:
No explanation is available for this question!


24)   The ear is protected from small insects, germs and dust by

a. special fluid
b. pinna
c. tympanum
d. wax and hair
Answer  Explanation 

ANSWER: wax and hair

Explanation:
No explanation is available for this question!


25)   Rhodopsin a pigment is present in

a. retina
b. iris
c. cornea
d. rods
Answer  Explanation 

ANSWER: rods

Explanation:
No explanation is available for this question!


26)   The thyroid gland is located

a. below larynx
b. above larynx
c. below Oesophagus
d. near right pair of rib
Answer  Explanation 

ANSWER: below larynx

Explanation:
No explanation is available for this question!


27)   Considering the response of effectors, the long-living and slow response is produced by

a. gland coordination
b. endocrine coordination
c. nervous coordination
d. chemical coordination
Answer  Explanation 

ANSWER: chemical coordination

Explanation:
No explanation is available for this question!


28)   The person suffering from the short sight disorder is not able to see the

a. distant objects clearly
b. near objects clearly
c. blue objects clearly
d. red objects clearly
Answer  Explanation 

ANSWER: distant objects clearly

Explanation:
No explanation is available for this question!


29)   The vasopressin and oxytocin hormone is secreted by the

a. posterior lobe of pituitary gland
b. anterior lobe of pituitary gland
c. anterior lobe of thyroid gland
d. posterior lobe of thyroid gland
Answer  Explanation 

ANSWER: posterior lobe of pituitary gland

Explanation:
No explanation is available for this question!


30)   Considering 10 hours after the intake of food, the normal blood glucose level (per 100 ml) is

a. 70 to 99 mg
b. 100 to 125 mg
c. 126 to 140 mg
d. 50 to 70 mg
Answer  Explanation 

ANSWER: 70 to 99 mg

Explanation:
No explanation is available for this question!