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NEET Biology - Human Physiology Important Questions

NEET Biology - Human Physiology

Exam Duration: 60 Mins Total Questions : 30

1 )

Cud chewing animals are known as

(a)
frugivores
(b)
diphyodont
(c)
heterodont
(d)
monophyodont

2 )

Paneth cells are found in

(a)
crypts of lieberkuhn
(b)
Peyer's patches
(c)
Islet of langerhans
(d)
gastric glands

3 )

The large intestine lacks

(a)
goblet cells
(b)
epiploic appendages
(c)
plicae circulares
(d)
haustra

4 )

Which one of the following is a skull bone?

(a)
Coracoid
(b)
arytaenoid
(c)
atlas
(d)
Pterygoid

5 )

The decompression sickness is

(a)
respiration under depression
(b)
sickness develops after coming over the sea surface from a great depth
(c)
sickness develops after attaining a high altitude
(d)
sickness develops after coming on earth surface from the mines

6 )

If the systolic pressure is 120 mm Hg and diastolic pressure is 80 mm Hg, the pulse pressure is

(a)
120-80=40 mm Hg
(b)
\(120\div 80=1.5mm\quad Hg\)
(c)
\(120\times 80=9600mm\quad Hg\)
(d)
\(120+80=200mm\quad Hg\)

7 )

Accessory excretory human organs is

(a)
skin
(b)
skin and liver
(c)
skin and lungs
(d)
All of these

8 )

What will happen, if one kidney of a person is removed?

(a)
He will still survive and remain normal
(b)
He will die due to blood poisoning
(c)
urea will go on accumulating in blood
(d)
Urination will stop

9 )

The air that enters our lungs is characterised that

I:	it is warm
II:	it is filtered
III:	Some oxygen is extracted from it
IV:	Some carbon dioxide is added to it

The correct answer are

(a)
I,II,III and IV
(b)
I and II
(c)
II and IV
(d)
III and IV

10 )

The four structures listed are part of the human excretory system.
1. Bladder
2. Kidney
3. Ureter
4. Urethra
In which order does a molecule of urea pass through these structures?

(a)
1 2 3 4
(b)
1 4 3 2
(c)
2 1 3 4
(d)
2 3 1 4

11 )

The gland, which is exocrine and endocrine is

(a)
adrenal
(b)
pituitary
(c)
pancreas
(d)
liver

12 )

Hypothalamus is

(a)
helpful in sleep
(b)
has centre for thirst and hunger
(c)
involved controls body temperature
(d)
All of the above

13 )

Parkinson's disease and other motor disorders are attributed to dysfunction of or trauma to be

(a)
pons
(b)
basal nuclei
(c)
parietal lobe
(d)
thalamus

14 )

_________ are the primary respiratory structures in most of the aquatic arthropods and molluscs

(a)
Lungs
(b)
Moist cuticle
(c)
Trachea
(d)
Gills

15 )

O₂ and CO₂ are exchanged in the alveoli by

(a)
active transport
(b)
simple diffusion
(c)
facilitated diffusion
(d)
osmosis

16 )

Blood is a special connective tissue consisting of

(a)
a fluid matrix
(b)
plasma
(c)
formed elements
(d)
all the above

17 )

The process of excreting urea is

(a)
ammonotelism
(b)
ureotelism
(c)
uricotelism
(d)
egestion

18 )

After ovulation, the empty Graafian follicles become

(a)
corpus luteum
(b)
corpus albicans
(c)
corpora bigemina
(d)
corpus callosum

19 )

Splenic artery arises from

(a)
anterior mesenteric artery
(b)
coeliac artery (or celiac artery)
(c)
posterior mesenteric artery
(d)
intestinal artery

20 )

Which of the following cranial nerves can regulate heartbeat?

(a)
X
(b)
IX
(c)
VIII
(d)
VII

21 )

In human adult females, oxytocin

(a)
is secreted by anterior pituitary
(b)
stimulates growth of mammary glands
(c)
stimulates pituitaryto secrete vasopressin
(d)
causes strong uterine contractions during parturition

22 )

Which of the following radioactive isotope is used in the detection of thyroid cancer?

(a)
lodine-131
(b)
Carbon-14
(c)
Uranium-238
(d)
Phosphorus-32

23 )

Which one of the following is a correct pair showing the function of a specific part of the human nephron?

(a)
Podocytes: create minute spaces (slit pores) for the filtration of blood into the Bowman's capsule
(b)
Henle's loop: most reabsorption of the major substances from the glomerular filtrate
(c)
Distal convoluted tubule: reabsorption of K+ ions into the surrounding blood capillaries
(d)
Afferent arteriole: carries the blood away from the glomerulus towards renal vein

24 )

Total number of bones in the hindlimb of a man is

(a)
24
(b)
30
(c)
14
(d)
21

25 )

Which of the following pairs is wrong?

(a)
Uricotelic - Birds
(b)
Ureotelic - Insects
(c)
Ammonotelic - Tadpole
(d)
Ureotelic - Elephant

26 )

Besides corticotropin releasing hormone (CRH), which other hormone also stimulates the release of adrenocorticotropic hormone (ACTH)?

(a)
Glucagon
(b)
Insulin
(c)
Aldosterone
(d)
Epinephrine

27 )

Read the given statements and select the correct option.
Statement 1: About 70% of CO₂ that enters RBCs changes into HCO^-₃ for transport in plasma to the lungs where it reconverts into CO₂ for elimination.
Statement 2: About 40% of CO₂ that enters RBCs changes into carbaminohaemoglobin which releases O₂ in the lungs.