Transport in Biology topic based MCQs preparation test for all competitive exam. Transport in Biology Chapter# 9, topic based MCQs that are mostly asked in competitive exam related to Biology. Examtry team design a series of MCQs based tests that effectively and efficiently help a student or job seeker to prepare their exam effectively and efficiently.
Examtry team design more than 60 MCQs and try their best to cover the whole topic Transport in Biology . These MCQs based test really helpful in all competitive exams as well as institutional exams. Anyone who wants to pass job test comprising one paper or MCQs based test come on examtry.com and get prepared himself.
MCQs under the topic of Transport in Biology covers all tests conducted by FPSC, NTS, KPSC, PPSC, SPSC, BPSC, OTS, UTS, UPS, PTS, CTS, ATS, ETEA or any other institution.
1 - There are _______ types of nutrients needed by plants besides light to carry out photosynthesis
Three
2 - The site/s where most of the uptake of water and minerals take place is/are
Root hairs
3 - The uptake of water in plants involves
Passive transport
4 - The membrane of vacuoles is known as
Tonoplast
5 - The diffusion of ions along with water also takes place by mass flow system along the ______ path
Apoplast
6 - Active transport is dependent on
Respiration
7 - In plants, the neighbouring cells are connected with one another by.
Both 'a' & 'b'
8 - In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.
Apoplast
9 - Cytoplasmic strands that extend through pores in adjacent cell walls are known as
Plasmodesmata
10 - In plants, water potential is determined by major factors.
Two
11 - The pressure generated when water enters & inflates plant cells is called ______ potential
Pressure
12 - The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)
Osmosis
13 - _______ potential is the measure of the change in water potential of a system due to the presence of solute molecules.
Osmotic
14 - _______ component of cell wall has grreat affinity with water.
All of these
15 - Commonly in other plants than tall ones the speed of upward movement of water is
1 mh-1
16 - Exceptionally the positive hydrostatic pressure generated by root pressure is about
800 Kpa
17 - Cuticular transpiration is ______ of total transpiration
5-7%
18 - All plants do not possess
Lenticels
19 - Lenticular transpiration is _________ of total transpiration
1-2%
20 - Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are
Lenticels
21 - Lenticels look like
Cars or small protusions
22 - Stomatal transpiration is _____ of total transpiration
0.9
23 - They function as multisensory hydraulic valve
Guard cells
24 - There are _______ hypothesis which may explain opening and closing of stomata
Two
25 - Stomata open due to _____ of K+ into the guard cells from the surrounding epidermis
Active transport
26 - Low level of CO2 favours _____ of the stomata
Opening
27 - The opening and closing of stomata is directly controlled by the
Light
28 - Symbionts which help plants in uptake of phosphorous and trace metals such as zinc and copper.
Fungi.
29 - Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called:
Facilitated diffusion.
30 - Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called
Transpiration pull
31 - Pressure flow theory was proposed by
Earnst Munch
32 - A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called
Root pressure
33 - Addition of salts and other solutes from other cells into xylem sap, _____ the water potential of the xylem sap
Lowers.
34 - Open circulatory system can contain
White Blood Cells
35 - Which of the following is true about hearts of earthworm?
They are present lateral to the oesophagus.
36 - Single circuit heart is found in
Fishes
37 - It has been estimated that in a normal person plasma constitutes about ____ by vulume of blood.
0.55
38 - 95% of the cytoplasm ofred blood cells is the
Haemoglobin
39 - _______ give rise to macrophages, which destroy larger particles by phagocytosis.
Monocyte
40 - Which of the following are proteins in nature?
All of these
41 - Cooley's anemia is another name used for
Thalassaemia
42 - Tricuspid valve is present
Between right atrium and right ventricle
43 - QRS complex represents
Ventricular systole
44 - Which of the following have thickest walls?
Arteries
45 - It is the measure of force with which blood pushes up against the walls of blood vessels.
Blood pressure
46 - All of the follwing are blood clots except
Atheroma
47 - It is the discharge of blood from blood vessels.
Cerebral Hemorrhage
48 - The flow of lymph is maintained by
All of these
49 - Introduction of vaccine within the body to produce immunity is an example of
Artificially induced active immunity
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