Q: The medical value of plants is due to chemicals found in a. leaves b. tree bark c. flwers d.…
A: Medicinal value of plants.
Q: Which of the following is not an element of soil sustainability? О а. Green manures O b. Plowing C.…
A: Agricultural sustainability is characterized as a system's ability to maintain consistent levels of…
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A: Fixation is the preservative mechanism in which tissue is fixed to prevent protein degradation. It…
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A: Microbes are known to be present everywhere and some are beneficial for humans and plants and…
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A: Plants are non-motile living beings that are capable of producing their own food by utilizing the…
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A: Answer- Soil microorganisms can be of different types starting from bacteria, actinomycetes, fungi,…
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A: If mango fruits on the trees of a plantation have infested by the fungi then it will be treated by…
Q: There is a general statement that "organic matter content of Pakistani soil is low" ,why?
A: Organic matter is an important component of soil. It increases water holding capacity of the soil by…
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Q: organic component of soil formed by the decomposition of leaves and other plant material by soil…
A: The outer loose layer surrounding Earth is known as soil. Soil is a mixture of different compounds.…
Q: List any five specific processes of soil formation
A: Weathering is defined as the process of formation of soil.
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A: Culture medium It is a liquid or semisolid gel which contains basic nutrition for the supporting…
Q: Transpiration is a necessary evil. Comment with suitable scientific process.
A: Plants are involved in transporting both organic and inorganic nutrients and water throughout the…
Q: 34. The formation of soil horizons is an example of the synthetic processes in the soil. O True O…
A: Answer :- False Soil formation is natural process in the natural environment regulated by the…
Q: In the production of red wine, the red skins are removed after O clarification O pressing O…
A: The process of vine making is known as vinification.
Q: 14. Which of the following is a property of soil colloidal particles? O Flocculation O None of these…
A: Soil colloids are the most active constituents of soil, determining its physical and chemical…
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A: Soil is generally composed of organic matter, gases, water, and organisms. It is essential for…
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A: Coconut water is a clear liquid in the fruits center that is tapped from young, green coconuts.
Q: The CEC of a given soil horizon is determined by the relative amounts of different colloids in that…
A: TRUE
Q: How plastic is harmful for the soil. State scientific reason for it.
A: The environment that we live in consists of resources for the sustenance of all living organisms.…
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A: The phytochemicals are the plant derived chemicals that are produced by the plants during the…
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A: One of the most important pigments that are responsible for the process of photosynthesis is called…
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A: INTRODUCTION Tissue culture In tissue culture a piece of animal tissue or plant tissue is…
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A: Beer is a famous alcoholic beverage across the world.
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A: In biology, explant is defined as a piece or pieces of tissue or organ removed from a plant or…
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Q: is associated with deterioration of surfaces of leaves due to destruction of chlorophyll. Select…
A: Light is consumed by leaves and differences in surface region exposed to light can change the pace…
Q: Where is it currently used sunflower solar panels
A: The sunflower solar panels are photovoltaic device that uses solar power (power from the sun) for…
Q: . The insulation properties of soil protect the deeper portion of the root system from extremes of…
A: TRUE
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A: Secondary metabolites are those metabolites that are produced from primary metabolites and they are…
Q: The colloids in soil are both organic and mineral in nature. O True O False
A: Soil colloids are the smaller portions of soil that are also the most chemically active.
Q: Which of the following equipments is used for plant cell or tissue culture? Lütfen birini seçin: O…
A: Tissue culture is the technique of growing a cell Or tissue outside , in an artificial medium.
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Q: Which of the following conditions has to be taken into account when culturing plant? I. Composition…
A: The culturing of plants is done to maintain and grow plant cells, tissues in a known and desired…
Q: Explain the nature and composition of crop plant.
A: Introduction A crop is a plant that may be produced and harvested in large quantities for profit or…
Q: When the soil is acidic, plants cannot grow on it. True or False
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Q: soil composition and the importance
A: There are three types of plants, each perform photosynthesis with a slightly unique procedure from…
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- 34. The formation of soil horizons is an example of the synthetic processes in the soil. O True O False GENUINELEATER43. Two soil samples, A & B, at same soil moisture levels are placed in contact with each other. Water will more likely move from soil B to soil A if their osmotic potentials, expressed in kPa, are: O A=-30; B=-70 O A=-10; B=+10 O A=-60; B=-10 O A=-50; B=-100 OA=-20%; B=-20E Why do the leaf disks in the baking soda solution (treatment) begin to float?
- How transpiration is necessary evil?48. is a light and porous soil that tends also to accumulate ..... organic matter. O Aerosolic dust O Loess O Volcanic ash O Dune sandон CHOH он CHOH „O II но- I ACNH HO, CH3 он HO III но Is the sugar non-reducing? Yes O No both reducing and non-reducing cannot be ascertained
- Two groups of tomatoes were grown under laboratoryconditions, one with humus added to the soil and one acontrol without humus. The leaves of the plants grownwithout humus were yellowish (less green) compared withthose of the plants grown in humus-enriched soil. The bestexplanation is that(A) the healthy plants used the food in the decomposing leavesof the humus for energy to make chlorophyll.(B) the humus made the soil more loosely packed, so waterpenetrated more easily to the roots.(C) the humus contained minerals such as magnesium andiron needed for the synthesis of chlorophyll.(D) the heat released by the decomposing leaves of the humuscaused more rapid growth and chlorophyll synthesis.O False 14. Which of the following is a property of soil colloidal particles? O Flocculation O None of these O Plasticity O All of these O Adhesion and cohesion AC UVDD IO C en h GENUINGLEATHCS42. A soil with 90% sand and 5% silt will show OA high amount of medium pores OA high amount of large pores OA high amount of fine pores Cannot be determined
- All of the following are true about soil microorganismsEXCEPT:(a) They never affect or change the physical characteristicsof their soil microenvironment.(b) They are considered to be a part of the soil.(c) All major microbial taxonomic groups can be found insoil (bacteria, fungi, algae, protists, viruses).(d) Species of the genus Clostridium contain important hu-man pathogens found in soil.(e) They are important as decomposers in the carbon andnitrogen cycles.51. The material responsible for white color in soils is? O Calcite O Oxidized iron O Quartz O Sand OMn O Silt ns in the 52 CENUINWhat dangerous bacteria and diseases can be found in biologically altered products nto agricultural products?