| Question (1):
The colour of blood in the veins is _______________. |
| 1. |
bright red |
| 2. |
dark red
|
| 3. |
blue |
| 4. |
black |
|
| Ans: 2 |
|
| Question (2):
The colour of blood in the arteries is _________. |
| 1. |
bright red |
| 2. |
dark red
|
| 3. |
blue |
| 4. |
black |
|
| Ans: 1 |
|
| Question (3):
Blood is composed of ___________. |
| 1. |
plasma and red blood cells |
| 2. |
plasma and formed elements
|
| 3. |
red and white blood cells |
| 4. |
red blood cells, white blood cells and platelets |
|
| Ans: 2 |
|
| Question (4):
Blood fails to clot in the absence of __________. |
| 1. |
magnesium |
| 2. |
calcium
|
| 3. |
sulphur |
| 4. |
potassium |
|
| Ans: 2 |
|
| Question (5):
Transpiration takes place from ________________. |
| 1. |
all parts of the plant |
| 2. |
leaves
|
| 3. |
only the aerial parts |
| 4. |
stem |
|
| Ans: 3 |
|
| Question (6):
Stomata are present on the __________ of the leaves. |
| 1. |
upper surface only |
| 2. |
lower surface only
|
| 3. |
mostly upper surface |
| 4. |
mostly lower surface |
|
| Ans: 4 |
|
| Question (7):
The cells that are full of water and rigid are called ________. |
| 1. |
support cells |
| 2. |
flaccid
|
| 3. |
turgid |
| 4. |
none of the above |
|
| Ans: 3 |
|
| Question (8):
Much of the transpiration takes place through ___________. |
| 1. |
stomata |
| 2. |
lenticels
|
| 3. |
cuticle |
| 4. |
epidermis |
|
| Ans: 1 |
|
| Question (9):
The roots absorb water through _______________. |
| 1. |
epidermal hairs |
| 2. |
root hairs
|
| 3. |
root xylem |
| 4. |
root phloem |
|
| Ans: 2 |
|
| Question (10):
The ascent of sap in plants takes place due to __________. |
| 1. |
root pressure |
| 2. |
transpiration pull
|
| 3. |
both a and b |
| 4. |
osmosis |
|
| Ans: 3 |
|
| Question (11):
Stomata open and close due to _____________. |
| 1. |
presence of valves |
| 2. |
hormonal control
|
| 3. |
turgor pressure of guard cells |
| 4. |
concentration gradient of the gases |
|
| Ans: 3 |
|
| Question (12):
Minerals are absorbed into the cells by _____________. |
| 1. |
osmosis |
| 2. |
diffusion
|
| 3. |
active transport |
| 4. |
a, b or c |
|
| Ans: 3 |
|
| Question (13):
The liquid portion of the blood is called __________. |
| 1. |
water |
| 2. |
plasma
|
| 3. |
serum |
| 4. |
sap |
|
| Ans: 2 |
|
| Question (14):
The right side of the heart deals with ___________. |
| 1. |
oxygenated blood |
| 2. |
deoxygenated blood
|
| 3. |
mixture of oxygenated and deoxygenated blood |
| 4. |
either a or b at a time |
|
| Ans: 2 |
|
| Question (15):
__________ carries oxygenated blood. |
| 1. |
pulmonary artery |
| 2. |
hepatic portal vein
|
| 3. |
pulmonary vein |
| 4. |
all of the above |
|
| Ans: 3 |
|
| Question (16):
Deoxygenated blood is carried by ______________. |
| 1. |
pulmonary artery |
| 2. |
hepatic vein
|
| 3. |
renal vein |
| 4. |
all of the above |
|
| Ans: 4 |
|
| Question (17):
The threads formed during clotting are made up of _____. |
| 1. |
thrombin |
| 2. |
prothrombin
|
| 3. |
fibrinogen |
| 4. |
fibrin |
|
| Ans: 4 |
|
| Question (18):
The double membraned structure surrounding the heart is called _____________. |
| 1. |
plasmalemma |
| 2. |
pleural membrane
|
| 3. |
tonoplast |
| 4. |
pericardium |
|
| Ans: 4 |
|
| Question (19):
An example of lymph gland is ________________. |
| 1. |
spleen |
| 2. |
liver
|
| 3. |
tonsil |
| 4. |
thyroid |
|
| Ans: 3 |
|
| Question (20):
Human circulatory system is called double circulation because of ___________. |
| 1. |
systemic and hepatic portal system |
| 2. |
hepatic portal and pulmonary system
|
| 3. |
systemic and pulmonary circulation |
| 4. |
systemic, hepatic and pulmonary circulation |
|
| Ans: 3 |
|
| Question (21):
Pulse beat is measured in _____________. |
| 1. |
nerve |
| 2. |
artery
|
| 3. |
vein |
| 4. |
heart |
|
| Ans: 2 |
|
| Question (22):
Thick muscular walls are present in ___________. |
| 1. |
arteries |
| 2. |
arterioles
|
| 3. |
veins |
| 4. |
venules |
|
| Ans: 1 |
|
| Question (23):
Diapedesis is shown by _______________. |
| 1. |
RBC |
| 2. |
WBC
|
| 3. |
platelets |
| 4. |
a,b and c |
|
| Ans: 2 |
|
| Question (24):
The main cells present in lymph are ___________. |
| 1. |
red blood cells |
| 2. |
platelets
|
| 3. |
lymphocytes |
| 4. |
monocytes |
|
| Ans: 3 |
|
| Question (25):
The normal blood pressure in man is ___________. |
| 1. |
80/120 mm Hg |
| 2. |
120/80 mm Hg
|
| 3. |
120/100 mm Hg |
| 4. |
100/80 mm Hg |
|
| Ans: 2 |
|
| Question (26):
The opening between the right auricle and the right ventricle is guarded by the _____. |
| 1. |
tricuspid valve |
| 2. |
bicuspid valve
|
| 3. |
semi-lunar valve |
| 4. |
mitral valve |
|
| Ans: 1 |
|
| Question (27):
The food is transported in the phloem in the form of ______. |
| 1. |
glucose |
| 2. |
sucrose
|
| 3. |
amino acids |
| 4. |
fats |
|
| Ans: 2 |
|
| Question (28):
The fluid that does not form clots is ___________. |
| 1. |
blood |
| 2. |
plasma
|
| 3. |
lymph |
| 4. |
serum |
|
| Ans: 4 |
|
| Question (29):
The smallest blood vessel in the body is a _____________. |
| 1. |
vein |
| 2. |
vena cava
|
| 3. |
capillary |
| 4. |
venule |
|
| Ans: 3 |
|
| Question (30):
The blood vessel carrying blood from heart to the lungs is called ___________. |
| 1. |
carotid artery |
| 2. |
carotid vein
|
| 3. |
pulmonary artery |
| 4. |
pulmonary vein |
|
| Ans: 3 |
|
| Question (31):
Valves are present in ___________. |
| 1. |
arteries |
| 2. |
arterioles
|
| 3. |
veins |
| 4. |
capillaries |
|
| Ans: 3 |
|
| Question (32):
The movement of particles from the region of their higher concentration to the region of their lower concentration is called as ________________. |
| 1. |
osmosis |
| 2. |
diffusion
|
| 3. |
active transport |
| 4. |
ascent of sap |
|
| Ans: 2 |
|
| Question (33):
A portal vein runs from |
| 1. |
an organ to the heart |
| 2. |
the heart to an organ
|
| 3. |
one organ to another |
| 4. |
an organ to the vena cava |
|
| Ans: 3 |
|
| Question (34):
Deoxygenated blood is received by the __________. |
| 1. |
left auricle |
| 2. |
right auricle
|
| 3. |
left ventricle |
| 4. |
right ventricle |
|
| Ans: 2 |
|
| Question (35):
Mitral valve is the other name for ________________. |
| 1. |
semilunar valve |
| 2. |
bicuspid valve
|
| 3. |
tricuspid valve |
| 4. |
venous valves |
|
| Ans: 2 |
|
| Question (36):
Lacteals in the intestine take up ______________. |
| 1. |
digested starch |
| 2. |
digested fats
|
| 3. |
digested proteins |
| 4. |
glucose |
|
| Ans: 2 |
|
| Question (37):
Semilunar valves guard the junction of _____________. |
| 1. |
left ventricle and aorta |
| 2. |
right ventricle and aorta
|
| 3. |
left ventricle and pulmonary artery |
| 4. |
right ventricle and pulmonary vein |
|
| Ans: 1 |
|
| Question (38):
Antibodies are produced as a reaction to the presence of _______________. |
| 1. |
red blood cells |
| 2. |
haemoglobin
|
| 3. |
antigens |
| 4. |
white blood cells |
|
| Ans: 3 |
|
| Question (39):
Red blood cells are destroyed in the ____________. |
| 1. |
lungs |
| 2. |
liver
|
| 3. |
heart |
| 4. |
spleen |
|
| Ans: 2 |
|
| Question (40):
Red blood cells are _____________. |
| 1. |
biconcave discs |
| 2. |
biconvex discs
|
| 3. |
cylindrical |
| 4. |
spherical |
|
| Ans: 1 |
|
| Question (41):
Thrombocytes is the other name of _____________. |
| 1. |
RBC |
| 2. |
WBC
|
| 3. |
platelets |
| 4. |
lymphocytes |
|
| Ans: 3 |
|