Biology/Biology MCQ Question - Transport Sample Test,Sample questions

Question:
95% of the cytoplasm ofred blood cells is the

1.Antibodies

2.Haemoglobin

3.Enzymes

4.Proteins


Question:
A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called

1.Transpiration pull

2.Root pressure

3.Osmotic pressure.

4.None of these


Question:
Active transport is dependent on

1.Photosynthesis

2.Respiration

3.Photophosporylation

4.Photophosporylation


Question:
Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are

1.Hydathods

2.Stomata

3.Lenticels

4.None of these


Question:
All plants do not possess

1.Lenticels

2.Cuticle

3.Stomata

4.All of these


Question:
Breaking of terminal phosphate of ATP releases about _____ Kcal of energy.

1.6.1

2.6.3

3.7.1

4.7.3


Question:
Cellular respiration is essentially a/an _________ process.

1.Oxidation

2.Reduction.

3.Redox.

4.None of the above.


Question:
Commonly in other plants than tall ones the speed of upward movement of water is

1.8mh-1

2.1 mh-1

3.7 mh-1

4.4 mh-1


Question:
Cuticular transpiration is ______ of total transpiration

1.6-8%

2.5-7%

3.7-9%

4.4-6%


Question:
Cytoplasmic strands that extend through pores in adjacent cell walls are known as

1.Pseudopods

2.Symplasts

3.Plasmodesmata

4.Pili


Question:
Exceptionally the positive hydrostatic pressure generated by root pressure is about

1.600 Kpa

2.800 Kpa

3.1000 Kpa

4.900 Kpa


Question:
Final acceptor of electrons in respiratory chain is

1.NADH

2.Cytochrome a3

3.Water

4.Oxygen


Question:
In plants, water potential is determined by major factors.

1.Three

2.Four

3.Two

4.Five


Question:
In the root cells _______ pathway becomes discontinuous in the endodermis due to the presence of casparian strip.

1.Tonoplast

2.Apoplast

3.Symplast

4.Vacuolar


Question:
It has been estimated that in a normal person plasma constitutes about ____ by vulume of blood.

1.35%

2.45%

3.55%

4.75%


Question:
Lenticels look like

1.A big pore

2.Stoma

3.Sponge

4.Cars or small protusions


Question:
Lenticular transpiration is _________ of total transpiration

1.2-3%

2.1-3%

3.1-4%

4.1-2%


Question:
Low level of CO2 favours _____ of the stomata

1.Opening

2.Closure

3.Both of these

4.None of these


Question:
Open circulatory system can contain

1.Red Blood Cells

2.White Blood Cells

3.Haemoglobin

4.All of these


Question:
Pressure flow theory was proposed by

1.H-Van Mohl

2.Dixon

3.Vander wall.

4.Earnst Munch


Question:
Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called

1.Transpiration pull

2.Root pressure

3.Ascent of sap.

4.All of these


Question:
QRS complex represents

1.Atrial systole

2.Ventricular systole

3.Atrial diastole

4.Ventricular diastole


Question:
Single circuit heart is found in

1.Fishes

2.Amphibians

3.Reptiles

4.Mammals


Question:
Solute potential is always

1.plus ve

2.? ve

3.plus ve or ? ve

4.Zero


Question:
Stomata open due to _____ of K+ into the guard cells from the surrounding epidermis

1.Diffusion

2.Active transport

3.Osmosis

4.All of these


Question:
Stomatal transpiration is _____ of total transpiration

1.90%

2.91%

3.93%

4.95%


Question:
Symbionts which help plants in uptake of phosphorous and trace metals such as zinc and copper.

1.Bacteria

2.Viruses

3.Fungi

4.Cyanobacteria


Question:
The diffusion of ions along with water also takes place by mass flow system along the ______ path

1.Tonoplast

2.Apoplast

3.Symplast

4.Vacuolar


Question:
The membrane of vacuoles is known as

1.Vacuoloplast

2.Tonoplast

3.Tanoplast

4.All of these


Question:
The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)

1.Deffusion

2.Osmosis

3.Active transport

4.None of these


Question:
The opening and closing of stomata is directly controlled by the

1.Temperature

2.pH

3.Light

4.None of these


Question:
The pressure generated when water enters & inflates plant cells is called ______ potential

1.Water

2.Osmotic

3.Pressure

4.Solute


Question:
The site/s where most of the uptake of water and minerals take place is/are

1.Root hairs

2.Root cells

3.Underground stem

4.All of these


Question:
The uptake of water in plants involves

1.Active transport

2.Passive transport

3.Both of these

4.None of these


Question:
There are _______ hypothesis which may explain opening and closing of stomata

1.One

2.Two

3.Three

4.Four


Question:
There are _______ types of nutrients needed by plants besides light to carry out photosynthesis

1.Two

2.Three

3.Four

4.Five


Question:
They function as multisensory hydraulic valve

1.Lenticels

2.Guard cells

3.Hydathods

4.All of these


Question:
Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called:

1.Diffusion

2.Facilitated diffusion.

3.Passive transport.

4.Active transport.


Question:
Tricuspid valve is present

1.Between right atrium and right ventricle

2.Between left atrium and left ventricle

3.At base of pulmonary artery

4.At base of aorta


Question:
Which of the following are proteins in nature?

1.Antibodies

2.Interferons

3.Antitoxins

4.All of these


Question:
Which of the following have thickest walls?

1.Arteries

2.Veins

3.Capillaries

4.None of these


Question:
Which of the following is true about hearts of earthworm?

1.There are 5-7 pairs of heart.

2.They are present between 1-7th segments.

3.They are present lateral to the oesophagus.

4.They pump blood from ventral to dorsal vessel.


Question:
_______ component of cell wall has grreat affinity with water.

1.Lignin

2.Cellulose

3.Pectin

4.All of these


Question:
_______ give rise to macrophages, which destroy larger particles by phagocytosis.

1.Nautrophils

2.Basophila

3.Monocyte

4.Lymphocyte


Question:
_______ potential is the measure of the change in water potential of a system due to the presence of solute molecules.

1.Osmotic

2.Pressure

3.Both of these

4.None of these


More MCQS

  1. MCQs Question and Answer -Biology Set I
  2. MCQs Question and Answer -Biology Set 2
  3. MCQs Question and Answer -Biology Set 3
  4. MCQs Question and Answer -Biology Set 4
  5. Biology MCQS[NEET-2021 to 2022]-Anatomy mcq for competitive exams
  6. Biology MCQS[NEET-2021 to 2022]-Ecology mcq for competitive exams
  7. Biology MCQS[NEET-2021 to 2022]-Biology MCQS 2021
  8. Biology MCQS[NEET-2021 to 2022]-Biology (living world)
  9. Biology MCQS[NEET-2021 to 2022]-Plant anatomy mcq for competitive exams
  10. Biology MCQS[NEET-2021 to 2022]-CELL STRUCTURES AND FUNCTION mcq for competitive exams
  11. Biology MCQS[NEET-2021 to 2022]-General biology mcq for competitive exams
  12. Biology MCQS[NEET-2021 to 2022]-Human physiology
  13. Biology MCQS[NEET-2021 to 2022]-Ecology-II
  14. Biology MCQS[NEET-2021 to 2022]-Reproduction in plants
  15. Biology MCQS[NEET-2021 to 2022]-Human reproduction
  16. Biology MCQS[NEET-2021 to 2022]-Animal kingdom
  17. Biology MCQS[NEET-2021 to 2022]-Animal kingdom-2
  18. Biology MCQS[NEET-2021 to 2022]-Microorganisms
  19. Biology MCQS[NEET-2021 to 2022]-Natural resources and conservation
  20. Biology MCQS section -1
  21. Biology MCQS section -2
  22. Biology MCQS section -3
  23. Biology MCQS section -4
  24. Biology Corona and Cancer Mcq question
  25. Biology MCQ Question - Bioenergetics
  26. Biology MCQ Question - Biological Molecules
  27. Biology MCQ Question - Kingdom Fungi
  28. Biology MCQ Question - The Variety of Life
  29. Biology MCQ Question - Chromosome and DNA
  30. Biology MCQ Question - Coordination and Control
  31. Biology MCQ Question - Transport
  32. Biology MCQ Question - Biotechnology
  33. Biology MCQ Question - Chemical Bonding
  34. Biology MCQ Question - Diagnostic Test
  35. Biology MCQ Question - Ecosystem
  36. Biology MCQ Question - Gases
  37. Biology MCQ Question - Periodic Classification
  38. Biology MCQ Question - Solutions
  39. Biology MCQ Question - Alkyl Halides
  40. Biology MCQ Question - Organic Chemistry
  41. Biology MCQ Question - Growth and development
  42. CELL Mcq Questions
  43. Biology – Biomolecules – Structure of Proteins MCQs
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!