A sandy soil is poured with a solution containing a positive dye (violet), what would be the most probable result?

Q: 7. Use the image to answer the following questions A student collects some of this bacteria to…

A: Answer 1:-  Based on the microbiological examination of the slide shown in the question, the petri…

Q: A mixture of sand and organic matter is poured with a solution containing a positive dye (violet),…

A: C. The leachate has the same color (violet) with that of the dye used   cause the organic matter…

Q: (1) What is the difference between specific growth rate and generation time?

A: As per our policy we are answering the first question only.  For the rest of the question kindly…

Q: 1. A plate with a final dilution factor of 107 produced 210 colonies. a) What was the original…

A: Dilution is the process of diluting or mixing two or more substances or compounds; it is also known…

Q: 12. Which of the following soil textures would be the best for housing construction, or to support a…

A: Loam is a good soil for supporting a foundation, as long as no miscellaneous soils find their way…

Q: Explain why are carbon and nitrogen macronutrients, but cobalt is a micronutrient and what is…

A: The elements required by plants can be divided into two types, based upon the requirements/quantity.…

Q: Mango fruits on trees of a plantation have been infested by fungi and have to be treated using…

A: If mango fruits on the trees of a plantation have infested by the fungi then it will be treated by…

Q: What is the difference between common rich media and defined media?

A: The culture medium is also known as growth medium can be solid, liquid which can support the growth…

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…

Q: The culture medium can be reffered to as a 'highly enriched labotary soil.justify this statement?

A: Culture medium:   It is also known as a growth medium where specific microorganisms and plants will…

Q: 1. What is composite materials? Describe biomass derived composite materials by picking one biomass.

A: Biomass refers to the organic matter present in the bodies of living beings.

Q: (ii) Which one of the following is non- biodegradable?

A:

Q: cal value and medicinal value of Callystatin A (a polyketide marine sponge ). Reference the answers…

A: A polyketide natural product from the leptomycin family of secondary metabolites is known as the…

Q: Turpentine oil is obtained from- (A) Coal (B) Petroleum (C) Cedarwood (D) Pinus

A: Introduction - Turpentine is a liquid produced by distilling resin from living trees, primarily…

Q: SIN 1. а. 2. а. b. b. С. С. d. d. е. е.

A: Bacterial colonies refer to a group of bacteria. These are derived from a single mother.

Q: 3. Examine the diagrams below. Each is a step in the Punnett square method. Put the steps in order…

A: Answer 3 Punnet square is used for the representation of generation to analyse in the form of…

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: 1. What are the colony shape, margin and elevation of colony of These types of exposure A. Soil B.…

A: Introduction :- The study of the size, shape, and structure of animals, plants, and microbes, as…

Q: Define selective media and explain when you would use it.

A: Media is any liquid or solid preparation made specifically for the growth, storage, or transport of…

Q: Compare the growth of the culture found in Plates A, B, C and D. Which among the four plates has…

A: Growth of a microorganism takes place when a group of microorganism is derived from a single mother…

Q: What type of soil does munggo beans grow best? A. CLAY SOIL B. SAND SOIL C. LOAM SOIL  Explain…

A: Mung bean sprouts are the only microgreen I can grow completely without soil. They grow quickly.

Q: Part 2: Assume that there is a nonzero average causal effect of soil fumigants on crop yield. In no…

A: Soil fumigation  It is a method to create a field free from most of the pathogens by using…

Q: Select the following characteristics that clay soils possess. I. Poor aeration. II. Poor drainage.…

A: Option (D) is correct answer. Clay Soils: Clay is a fine grained natural soil material containing…

Q: 6. the Morphological fixation is type of attachement when the materials a) Porous , b) Bioinert, c)…

A: biomaterials are non organic molecules which are used in medical applications for the betterment and…

Q: 42. A soil with 90% sand and 5% silt will show OA high amount of medium pores OA high amount of…

A: Soil consist of sand ,silt and clay kn different proportions and thus form the sandy soil,clay…

Q: What is the definition of volatilization? Justify two practices that might help to reduce…

A: An ecosystem is essential to all life. Ecosystems rely on all of their elements to function…

Q: Although sparse, there is still visible growth of microorganisms in Plate D which is the…

A: Inoculation is defined as the act, process, or occurrence of inoculating, specifically from one…

Q: 16. A plant with broad, flat leaves is BEST adapted for – A. conserving heat in a tundra B.…

A: Plants have different types of leaves. Leaves shape is influenced by environmental factors .

Q: 61. Soil profile is a horizontal section exposing a set of horizons in wall of a soil pedon. O True…

A: Answer is false.

Q: 4. Suppose after an analysis of lake water used for drinking that you concluded that coliforms were…

A: Califorms are the group of bacteria that commonly lives in the intestine of animals and also found…

Q: 6. Examine the following graph. Note that the growth rate increases slowly until the optimum is…

A: Every organism lives in a particular habitat. The characteristic conditions that determine the type…

Q: Find a procedure for determining phosphorus content in fertilizer other than the gravimetric method

A: The phosphorus content in fertilizers can be measured spectrophotometrically after treating the…

Q: List five (5) factors that influences toward the formation of particle growth.

A: There are three processes or stages which are involved in the particle growth formation:- 1.…

Q: Why are the streak plates made from a sample of coconut water incubated at 7°C?

A: Answer: STREAK PLATE METHOD = This is the method to culture bacterial growth in microbiology…

Q: 1. A bacterium is grown in an environment with tryptophan added to the medium. Describe how the…

A: Need to find how the bacteria responds to tryptophan added into the medium.

Q: 1. What is humus? The organic companent of soll, farmed by the decomposition af learves and odher…

A: According to guidelines we have to answer the first 3 sub-parts only. so please kingly post the…

Q: 1. What is the significance of use of potato in the preparation of culture media? 2. What is the…

A: To identify the microorganism, it must first be placed into a medium to commence development, and…

Q: Which of the following statements is NOT as description of soil? A. Varying nutritional content.…

A: Soil covers the earth's surface. The terrestrial plants are rooted in the soil. The root hairs of…

Q: Need help Which of these could be used to measure the number of live bacterial cells in a liquid…

A: Bacterial cultures are used to grow the bacteria in a specific environment. A bacterial culture…

Q: 1

A: Juvenile hormones, first discovered by Vincent Wigglesworth, are the proteins or compounds which…

Q: 3. Some pieces of bread were placed in different conditions as shown inhe table below. Bread…

A: Moulds are the type of fungi growing on the bread. Spores present on the surface of moulds…

Q: Draw a typical bacterial growth curve.  Label the stages of growth and the axis of the graph.

A: A typical bacterial growth curve contains 4 phases. 1.Lag phase  2.Log/Exponential phase…

Q: A A A B В В Concentration of sugar Concentration of sugar А 36% В 15% Concentration of sugar A 21% В…

A: Osmosis is defined as the water molecules movement from high to low water potential region.

Q: plant suspension culture was used to study the effect of three types of media on the growth of the…

A: A plant cell suspension culture is a sterile system normally initiated by aseptically placing…

Q: . Which layer of soil is found above the bedrock and below the topsoil, is brightly colored (usually…

A: There are different types of soil basebd on their composition. There are different layers of soil…

Q: . Explain the importance of Fluidized Bed Bioreactor in the biological wastewater treatment and why…

A: The objective of biological wastewater treatment is to make a framework wherein the consequences of…

Q: Soil X’s pH is measured before and after urea application, it has been noted that after the…

A: The quality of soil and the availability of nutrients is very essential for plants growth. If the…

Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.