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NEET - Grade 11 - Biology - Transport in Plants - Importance and Snapshot of Transport In Plants - Study ref# 767

Introduction: Have you ever wondered how water reaches the top of tall trees, or for that matter how and why substances move from one cell to the other, whether all substances move in a similar way, in the same direction and whether me... read more

NEET - Grade 11 - Biology - Transport in Plants - Importance and Snapshot of Transport In Plants - Study ref# 768

Following sections must be covered to understand the Transport in Plants: 1. Means of Transport 2. Plant-Water Relations 3. Long Distance Transport of Water 4. Transpiration 5. Uptake and Transport of Mineral Nutrients 6. Phlo... read more

NEET - Grade 11 - Biology - Transport in Plants - Target Setup for Transport In Plants - Study ref# 769

Student requires to achieve the following milestones to get better grip over Transport In Plants. The milestones / targets are as follows:Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test000%Chapter Test000%S... read more

NEET - Grade 11 - Biology - Photosynthesis in Higher Plants - Importance and Snapshot of Photosynthesis In Higher Plants - Study ref# 774

Following sections must be covered to understand the Photosynthesis in Higher Plants: 1. What do we know? 2. Early Experiments 3. Where does Photosynthesis take place? 4. How many Pigments are involved in Photosynthesis? 5. What ... read more

NEET - Grade 11 - Chemistry - Hydrogen - Study ref# 1555

Describe the usefulness of water in biosphere and biological systems. Answer: A major part of all living organisms is made up of water. Human body has about 65% water and some plants have as much as 95 % water. It is an essential compound fo... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4300

Write three factors controlling rate of diffusion Answer: Three factors controlling diffusion are as follows:I) Temperature:  It is one of the most important factor. It increase the rate of diffusion with increase in temperature. Similarly... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4301

Write a short note on facilitated transport? Answer: It is a diffusion that involves membrane proteins (carrier or channel proteins). Example of such membrane: Porins i.e., specialized proteins present in the outer membranes of the plastids, mitoc... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4302

Difference between Simple diffusion, facilitated transport and active transport? Answer: PropertySimple diffusionFacilitated TransportActive TransportPresence of special membrane proteinXüüSelectivityXüüTransport saturatesXüüUphill transportXXüRequir... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4303

Define osmosis and osmotic pressure? what are the factors on which osmotic pressure depends? Answer: Osmosis may be defined as the movement of solvent from region of its higher concentration to its lower concentration through semi-permeable membrane.... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4304

Write short note on different types of tonic solutions? Answer: There are three types of tonic solutions:Isotonic solution: The two solutions with same osmotic concentration. When we place a cell into isotonic solution the cells nether shrinks ... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4305

Describe the girdling experiment? Answer: A ring of bark is removed from the trunk of a tree up to a depth of phloem layer. After a while it’s observed that bark above the ring on the stem swells up. This is due to absence of conducting tissue to con... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4306

Difference between guttation and transpiration? Answer: GuttationTranspirationa) Loss of liquid dropletsa) Loss of water vapourb) Takes place during early morning or night timesb) Takes place during day timec) Droplet contains xylem sapc) Diffused va... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4307

Describe the mechanism of absorption of water from root hair and their transport from root hairs to primary root. Answer: The root hair cell absorbs water from the soil by imbibitions and osmosis. Absorption of water takes place with the help of root... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4308

What do you mean by apoplast pathway? Answer: Apoplast Pathway: Through the wall of intervening cells without crossing any membrane or cytoplasm. This process is interrupted by casperian strips (made up of suberin) once it reaches to the endoderma... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4309

Justify the statement why majority of minerals follow active transport? Answer: Majority of minerals follow active transport to move inside the plant via roots because they are present as charged ions in soil and due to the lower concentration of min... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4310

Transport over long distances through xylem and phloem is known as? Answer: Translocation... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4311

Name the process of movement of molecules freely without using energy? Answer: Diffusion... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4312

Name the process with the help of which gaseous movement within the plants takes place? Answer: Diffusion... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4313

The term use for the proteins which helps in facilitate diffusion by forming pores on the membrane. Answer: Transport protein... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4314

Define uphill transport? Answer: It may be defined as the movement of molecules against concentration gradient. It requires energy for the movement of molecules.... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4315

Define solute potential? Answer: Reduction in the amount of free energy of water molecule due to the presence of solute molecules.... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4316

Define facilitated transport? Answer: It may be defined as the diffusion of molecules that involves membrane proteins (carrier or channel proteins).... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4317

What are porins? Answer: They are specialized proteins present in the outer membranes of the plastids, mitochondria and some bacteria.... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4318

Write the formula of Water Potential (ψW)? Answer: ψw = ψs + ψp... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4319

Define plasmolysis? Answer: It may be defined as the shrinkage of the protoplasm of the cell from its cell wall when the cell placed in the hypertonic solution.... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4320

Describe with the help of diagram how roots plays an important role in absorption of water? Answer: Roots plays an important role in absorption of water by plants by diffusionPrimary slender, thin-walled extension of root epithelium known as root hai... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4321

Define transpiration? What are the factors responsible for change in the rate of transpiration? Answer: Transpiration: Manly through openings called stomata (internal tissues of plant).It is a physical and physiological process.The wind velocity ... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4322

List the advantages of transpiration. Answer: Advantages of transpiration:1) The process of transpiration helps in absorption of water and mineral2) It efficiently maintains circulation of water inside the plant body.3) Mineral salts are easily di... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4323

Describe the structures of a stomata. How is opening and closing of stomata regulated? Answer: The stomatal apparatus consists of a minute opening in the epidermis called stoma surrounded by a pair of cells called guard cells. The guard cell possess ... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4324

The contents of which cell component decides the solute potential of the cell? Answer: Cell sap... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4325

Define guttation? Answer: It is the loss of excess of water in the form of water droplets from leaves and other parts of an uninjured plant.... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4326

Write a short note on ascent of sap? Answer: Ascent of sap: The upward movement of sap (water containing dissolve minerals) from the root towards the shoot tips. Mainly involves the tracheary elements of Xylem.Three important theories behind water... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4327

Which plants shows guttation? Answer: Mainly observed in grass blades and leaves of herbaceous plants.... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4328

Main cause of guttation is........................... Answer: Transpiration pull... read more

NEET - Grade 11 - Biology - Transport in Plants - Study ref# 4329

Define turgor pressure? Answer: Pressure exerted by water (hydrostatic pressure) when water moves inside the cell result in enlargement of cell.... read more

NEET - Grade 11 - Biology - Cell : The Unit of Life - Study ref# 4403

What are plasmodesmata? Answer: Microscopic channels of plants facilitating transport and communication between individual cells. Unlike animal cells, plant cells are protected by an impermeable cell wall; and as such, plasmodesmata are require... read more

NEET - Grade 11 - Biology - Respiration in Plants - Study ref# 4571

How ATP synthesis takes place in glycolysis? Answer: In glycolysis pathway ATP synthesis takes place in two different ways 1) Direct/substrate phosphorylation of ADP to ATP. 2) NADH is oxidized to NAD+ resulting in the formation of ATP ... read more

NEET - Grade 11 - Biology - Respiration in Plants - Study ref# 4573

What are the four enzyme complex present in ETC for electron transport?   Answer: Four enzyme complex for electron transport: Complex I: NADH dehydrogenase complex. Complex II: Succinate Q reductase complex. Complex ... read more

NEET - Grade 11 - Biology - Respiration in Plants - Study ref# 4578

Draw a schematic diagram representing ETC and oxidative phosphorylation? Answer:      ETC                                                            Oxidative phosphorylation... read more

NEET - Grade 11 - Biology - Respiration in Plants - Study ref# 4580

How much ATP is net gain after aerobic respiration of one molecule of glucose in eukaryotes?    Answer: Net gain of 38 molecules of ATP, during aerobic respiration of one molecule of glucose: Glycolysis 8ATP Pyruvic acid to Acety... read more

NEET - Grade 11 - Biology - Respiration in Plants - Study ref# 4589

What are the two different ways in which ATP synthesis takes place in glycolysis? Answer: 1) Direct/substrate phosphorylation of ADP to ATP. 2) NADH is oxidized to NAD+ resulting in the formation of ATP through electron transport. ... read more

NEET - Grade 11 - Biology - Respiration in Plants - Study ref# 4594

Electron transport chain occurs in?  Answer: Oxysosome present in the inner membrane of mitochondria.... read more

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