Biology F5 C2 part 2
Explain the relationship between relative air humudity with the rate of transpiration.
-The lower the relative air humidity, the___the rate of transpiration.
-Because water vapour evaporates___from stoma
-The air outside stoma is less___with water vapour than the leaf
higher, faster, saturated
Explain the production of glucose below the compensation point.
-Net___in glucose
-Glucose produced in photosynthesis is used___in respiration
loss, faster
Predict the condition of plants if it remain below the compensation point for a long period.
-____growth
-No flowers, seeds and fruit is produced
stunted
Explain your understanding of limiting factors.
-Factor that control a____process
-increases the limiting factor will increase the___process
biochemistry
A farmer has sucessfully planted a plant by using agricultural technology (greenhouse). Explain in equipment that needs to be prepared to ensure optimal physical factors to increase growth rate of the plant.
-Mentol
-to provide___
-required for____reaction
-to increase the rate of photosynthesis
-paraffin oil
-to provide___
-to increase the rate of photosynthesis
-Heater
-to control and maintain the temperature at___range
-to increase the___reaction in photosynthesis
-Water sprinkle system
-to undergo___process
light, light-dependent, carbon dioxide, optimal, enzyme, photolysis
Similarities of photosynthesis and aerobic respiration.
-both process take place in____
-both process involves the exchange of___
-both requires___
living organisms, gases, enzyme
Difference between photosynthesis and aerobic respiration.
Photosynthesis process
-Involves green plant
-Occur in the cell containing___
-___process (synthesis of glucose)
-Occurs in____
-Requires carbon dioxide and water
-Produce___and oxygen
-Light energy converted into___energy
-Needs light
chlorophyll, anabolism, chloroplast, glucose, chemical
Difference between photosynthesis and aerobic respiration.
-Aerobic respiration
-Involves all living organism
-Occurs in all___
-___process (breakdown of glucose)
-Occur in___
-Requires oxygen and___
-Produce___and carbon dioxide
-Chemical energy converted into__
-Does not need light
cells, catabolism, mitochondria, glucose, energy, ATP
LED lights used is blue, red and yellow. The result of the experiment shows that the blue LED lights produced the highest rate of photosynthesis in aquatic plant. Justify the result.
-Aquatic plant absorb maximum amount of blue light compared to red and yellow light.
-Blue light is also absorbed by___pigments before being transferred to the____
-Have enough amount of energy to excite___in the light-dependent reactions
-More___of water occurs
-More oxygen and___is produced
-Higher___rate
-Growth rate of aquatic plant is___
-Blue LED light promotes strong___growth
-More___absorption
carotenoid, chlorophyll, electrons, photolysis, ATP, respiration, higher, root, nutrient
Suggest the aspects that need to be considered to enable crops like tomatoes and broccoli to be planted in the greenhouse at lower regions with controllable surroundings without incurring high cost.
-Use mentol with appropriate___intensity
-Use adjustabel thermostat
-To provide and maintain optimum temperature for___reaction in photosynthsis
-Use timer for supply of water to water the plants
-Use spray fertiliser
-Use ____for electricity as our country receives constant sunlight throughout the year
-Use LED lights because they are energy___
light, enzyme, solar panels, efficient
Explain the process that take place in light-dependent reaction.
-Chlorophylls on the surface of the___absorbs light energy.
-Light energy excites___in chlorophyll pigments to a higher level.
-The excited electrons go through a series of electron___and generate energy in the form of ATP.
-The electrons then accepted by NADP+ to form____.
-The NADP+ also combines with H+ from___of water and forms NADPH.
-Photolysis of water break___molecules into hydrogen ions(H+) and hydroxide ions(OH-) in the presence of light energy and___.
-Hydroxide ions lose electrons to form oxygen gas and water.
thylakoids, electrons, carriers, NADPH, photolysis, water, chlorophyll
Explain the physical and structural adaptations of the leaf to carry out photosynthesis.
-The leaf is flat and___.
-The large surface area allows maximum absorption of sunlight by the leaves.
-The leaf is__.
-Diffusion of gases occur effectively.
-Arrangement of leaf___.
-Receives maximum sunlight.
-Waxy____
-Prevents excessive water loss by___.
-Vascular___in the___of a leaf contain xylem and phloem tissues.
-Xylem transports water and mineral ions from the roots to the leaf
-Phloem transport___from the leaf to other parts of the plant.
broad, thin, mosaic, cuticle, evaporation, bundles, veins, sucrose