CLASS: X NCERT (CBSE)
BIOLOGY
Life Processes Transportation
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
