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Structure and Functions of Human body organ system

Structure and Functions of Human body organ system

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Question 1
Unipolar neurons are found in the ________
A
Brain
B
Spinal Cord
C
Embryonic nervous tissue
D
Adult nervous tissue
Question 2
The sensory organs contain________
A
Unipolar neuron
B
Bipolar neuron
C
Multipolar neuron
D
Medullated neuron
Question 3
The part of brain which controls emotional reactions in our body is _______
A
Cerebellum
B
Cerebrum
C
Thalamus
D
Hypothalamus
Question 4
One of the following is a part of the brain stem. Pick it out.
A
Forebrain and midbrain
B
Midbrain and hindbrain
C
Forebrain and hindbrain
D
Forebrain and spinal cord
Question 5
Spinal nerves are _______
A
sensory nerves
B
motor nerves
C
mixed nerves
D
innervating the brain
Question 6
An endocrine gland found in the neck is _______
A
adrenal gland
B
pituitary gland
C
thyroid gland
D
pancreas
Question 7
An endocrine gland which is both exocrine and endocrine is the _______
A
pancreas
B
pituitary
C
thyroid
D
adrenal
Question 8
Normal blood glucose level in 1 dl of blood is _______
A
80-100 mg/dl
B
80-120 mg/dl
C
80-150 mg/dl
D
70-120 mg/dl
Question 9
The “T” lymphocytes are differentiated to resist infection in the ________
A
parathyroid gland
B
lymph gland
C
thymus gland
D
adrenal gland
Question 10
In Meiosis-I, the pairing of homologous chromosomes take place during ________ stage.
A
leptotene
B
pachytene
C
zygotene
D
diplotene
Question 11
The two systems of the human body which help in the control and co-ordination of metabolic activities are _________
A
digestive and circulatory
B
respiratory and circulatory
C
excretory of Cyton
D
nervous and endocrine
Question 12
Neurotransmitters are released at the synapse by _______
A
Tips of Dendrites
B
Synaptic Knobs
C
Organelles of Cyton
D
Myelin sheath of Axon
Question 13
The endocrine gland related to the immune system is ________
A
Thyroid
B
Thymus
C
Adrenal
D
Pineal
Question 14
The hormone administered by doctors to a pregnant woman to help in childbirth during the time of natural delivery is ______
A
Oestrogen
B
Progesterone
C
Insulin
D
Relaxin
Question 15
The important event of meiosis is the crossing over. It occurs during_______
A
Leptotene
B
Pachytene
C
Diplotene
D
Zygotene
Question 16
Reduction division is the process by which gametes are produced. The cells in which reduction division take place are_________
A
germinal epithelial cells
B
the sensory epithelial cells
C
cuboidal epithelial cells
D
columnar epithelial cells
Question 17
In Amoeba, the cell division takes place _________
A
involving changes in the chromatin reticulum
B
leading involving changes in the chromatin reticulum
C
leading to reduction in the number of chromosomes
D
without dividing the nucleus
Question 18
Pick out the item which has sequential arrangement.
A
zygotene →Leptotene →Pachytene →diplotene →Diakinesis
B
Diakinesis →zygotene →Leptotene →Pachytene →Diplotene
C
Leptotene →zygotene →Pachytene →Diplotene →Diakinesis
Question 19
Polio is a viral disease and the affected child suffers from physical disability of limbs. Which system of the body is mostly affected due to this infection?
A
Nervous system
B
Digesrive system
C
Respiratory system
D
excretory system
Question 20
Blinking when a beam of light is suddenly focussed on the eyes and sudden withdrawal of hand upon touching a hot body are some of the examples of reflex actions. Which part of the central nervous system acts as the centre these actions?
A
Forebrain
B
Spinal cord
C
Hindbrain
D
Synapse
Question 21
The following are the parts of a neuron:
  1. i.Axon
  2. ii. Terminal branches
  3. iii. Cyton
  4. iv. Dendrites
The correct pathway of a nerve impulse through these parts are ________
A
ii)(i)(iv)(iii)
B
(iv)(iii)(i)(ii)
C
(ii)(iv)(i)(iii)
D
(i)(iv)(ii)(iii)
Question 22
For minor surgeries in the body, doctors administer local anaesthesia to a part of the body so that the pain will not be felt by the patient. At which part, do you think, the nerve impulse is being arrested due to the effect of anaesthesia?
A
at cyton
B
at axon
C
at synapse
D
in the middle of axon
Question 23
Which are the two systems do the function of co-ordination_______
A
Digestive system and endocrine system
B
Endocrine system and respiratory system
C
Nervous system and endocrine system
D
Sensory organs only
Question 24
These are the functional and structural units of the nervous system_________
A
Neurons
B
Myelin sheath
C
Brain
D
Nephrons
Question 25
_______ in a nerve cell contain Nissl’s granules.
A
Axon
B
Cyton
C
Axon and Cyton
D
Nucleus
Question 26
________ neurons forms the cerebral cortex of our brain.
A
Myelinated neurons
B
Non myelinated neurons
C
Neurilemma
D
Schwann cells
Question 27
The junction between two nerve cells is _____
A
Synapse
B
Cell body
C
Axon
D
Myelin fibres
Question 28
_______ forms the central nervous system.
A
Nerves only
B
Brain and spinal cord
C
Spinal cord and nerves
D
Sympathetic and parasympathetic nerves
Question 29
The sheet nervous tissue which unites the two cerebral halves is _____
A
corpus callosum
B
corpus luteum
C
corpus albicans
D
hypothalamus
Question 30
_________ regulates and co-ordinates the voluntary muscles as in running or walking.
A
Pons
B
Cerebrum
C
Cerebellum
D
Medulla
Question 31
CSF means______
A
Cerebro spinal fluid
B
Central spinal fluid
C
Cortex spinal fluid
D
None of the above
Question 32
________ pairs of cranial nerves arise from the brain.
A
Ten
B
Seven
C
Six
D
Twelve
Question 33
________ pairs of spinal nerves arise from the spinal cord.
A
Sixteen
B
Twelve
C
Ten
D
Thirty one
Question 34
_______ are ductless glands
A
Sensory glands
B
Endocrine glands
C
Salivary glands
D
Exocrine glands
Question 35
This endocrine gland is found in the thorax region_______
A
Pineal gland
B
Ovary
C
Thymus gland
D
Pancreas
Question 36
The chemical substances secreted by endocrine glands are ______
A
Auxin
B
Hormones
C
dilute HCI
D
Antibodies
Question 37
The gonads in woman are _______
A
sperm
B
testes
C
egg
D
ovaries
Question 38
Excess production of growth hormone in adolescents causes______
A
Myxoedema
B
Acromegaly
C
Dwafism
D
Goitre
Question 39
Thyroid gland produces a hormone called______
A
Thyroxine
B
tyrosine
C
Trypsin
D
Oxytocin
Question 40
Thyroxine is an _______ protein.
A
enzymatic
B
iodinated
C
non-iodinated
D
simple
Question 41
Less secretion of thyroxine cause_______ in children.
A
Myxoedema
B
Goitre
C
Cretinism
D
Acromegaly
Question 42
________ gland plays a dual role as an exocrine and an endocrine gland.
A
Thyroid
B
Pancreas
C
Adrenal
D
Pituitary
Question 43
Less production of _________ causes Diabetes mellitus.
A
Glucagon
B
Thyroxine
C
Adrenaline
D
Insulin
Question 44
The exocrine parts of pancreas produce______
A
glycogen
B
glucagon
C
pancreatic juice
D
insulin
Question 45
Alpha cells of islets of Langerhans of pancreas produces________
A
insulin
B
insulin and amylin
C
glucagon
D
amylin alone
Question 46
_______  hormone is secreted when the glucose level is low in the blood.
A
Insulin
B
Glycogen
C
Glucagon
D
Both insulin and glucagon
Question 47
This hormone maintains minerals metabolism in our body_________
A
Aldosterone
B
Cortisone
C
Adrenaline
D
Nor epinephrine
Question 48
The appearance of secondary sexual characters like growth of public hairs, feminine body etc is due to the hormone called _________
A
Androgen
B
Testosterone
C
Oestrogen
D
Progesterone
Question 49
This hormone in female maintains pregnancy and regulates menstrual cycle_________
A
Relaxin
B
Androgen
C
Oestrogen
D
Progesterone
Question 50
Parathormone and calcitonin are the hormones secreted by _______
A
thyroid gland
B
adrenal gland
C
parathyroid gland
D
pancreas
Question 51
Binary fission is an asexual reproduction found in ______
A
Higher plants
B
Higher animals
C
Man
D
Amoeba
Question 52
______ stimulates the secretion ‘T’ Lymphocytes to resist infection.
A
Thymosin
B
Adenosine
C
Adrenaline
D
Non-adrenaline
Question 53
Mitotic cell division takes place in these cells of plants and animals________
A
somatic cells
B
sex cells
C
epithelial cells
D
all the above
Question 54
The paired chromosomes are called _______
A
Trivalents
B
Bivalents
C
Synaptic pairs
D
Similar chromosomes
Question 55
Terminilization takes place in this stage of meiosis I________
A
Pachytene
B
Zygotene
C
Diplotene
D
Diakinesis
Question 56
The division of cytoplasm is called as_______
A
Karyokinesis
B
Karyotyping
C
Cytokinesis
D
None of these
Question 57
At the end of meiotic cell division, ________ cells are produced.
A
Diploid sex cells
B
Zygote
C
haploid sex cells
D
Callus
Question 58
The inheritance of characteristics through generations is called________
A
evolution
B
embryogenesis
C
heredity
D
physiology
Question 59
Meiosis-II is similar to _______
A
amitosis
B
mitosis
C
meiosis-I
D
meiosis-II
Question 60
Insulin favours conversion of ______ into glycogen.
A
glucose
B
starch
C
galactose
D
maltose
Question 61
Which produces an anti-inflammatory reaction?
A
Glucagon
B
Thyroxine
C
Cortisone
D
Ovaries
Question 62
_________ relays the information from the cerebrum to cerebellum.
A
Thalamus
B
Mid brain
C
Medulla oblongata
D
Pons
Question 63
Match the following.
  1. Thyrotrophic hormones                     a. To produce the eggs and sperm
  2. Adrenocorticotropic hormone        b. To produce the hormone cortisone
  3. Follicle stimulating hormone          c. Milk production after child birth
  4. Lactogenic Hormone                                d. Growth of thyroid gland
A
4 2 3 1
B
2 4 1 3
C
3 2 4 1
D
1 4 3 2
Question 64
Match the following.
  1. Pituitary gland     a. Personality Hormone
  2. Thyroid gland         b. Cytogenic
  3. Adrenalin                  c. Endocrine Orchestra
  4. Testes                        d. Emergency hormone
A
4 2 3 1
B
2 4 1 3
C
3 2 4 1
D
1 4 3 2
Question 65
Match the following.
  1. Pineal gland         a. Thyroxin
  2. Thymus gland        b. Oxytocin
  3. Neurohypophysis c. Melatonin
  4. Thyroid gland          d. Thymosin
A
4 3 1 2
B
2 4 1 3
C
3 2 4 1
D
1 4 3 2
Question 66
Match the following.
  1. Amitosis         a. Body cells
  2. Mitosis        b. Unicellular animal cells
  3. Meiosis         c. Germinal epithelial cells
  4. Conjugation                  d. Bacterium
A
4 3 1 2
B
2 1 3 4
C
3 1 4 3
D
1 4 2 3
Question 67
Match the following.
  1. thymus a. Head
  2. Pancreas b. Thorax
  3. Pineal c. Neck
  4. Thyroid d. Abdomen
A
4 3 1 2
B
2 1 3 4
C
3 1 4 2
D
1 4 2 3
Question 68
Match the following.
  1. Dwarfism a. Excess production in adolescents
  2. Gigantism b. Less production in children
  3. Acromegaly c. Excess production in children
A
3 1 2
B
2 1 3
C
3 2 1
D
1 2 3
Question 69
Match the following.
  1. Thyroid gland      a. Abdomen
  2. Pituitary gland         b. Thorax
  3. Pancreas                 c. Head
  4. Thymus gland        d. Neck
A
3 4 2 1
B
2 1 3 4
C
4 3 2 1
D
1 2 3 4
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