Q: How do mycorrhizae function as biofertilisers? Explain with example.
A: Mycorrhizal association is a mutual relationship between the mycorrhizae (soil fungi) and plant…
Q: Which economically important product is obtained from Cycas circinalis?
A: Cycas circinalis is a member of genus Cycas belonging to the family Cycadaceae is also known as…
Q: Maturo sporophyte (2n) 3. 5.
A: Selaginella Selaginella, is popularly known as the 'spike moss' or 'club moss'. They are about 700…
Q: Why are bryophytes considered as pollution indicators?
A: Bryophytes are green land plants which donot have vascular tissues. They are used as a potential…
Q: What are the two vegetative forms of selaginella species?
A: Two Vegetative Forms of Selaginella Species : 1) Fragmentation : Below Humid conditions in…
Q: The ascomycetes produce fruiting bodies like apothecium,perithecium,cleistothecium.what are the…
A: The organisms of the phylum Ascomycota are called as ascomycetes. It is the largest phylum of the…
Q: What is apomixis and what is its importance?
A: The term Apomixis was introduced by Winkler in the year 1908.
Q: How do high nitrogen environments affect the relationship between clovers and rhizobia?
A: Plants cannot directly use the atmospheric nitrogen, so some plants belonging to the legumenous…
Q: The Stoma can be described as areas to make sugars small openings in the leaf light capturing…
A: Answer: Introduction: The outermost layer of the leaf is called the epidermis. It contains of the…
Q: Why are the genera Cannabis and Humulus, now in Cannabaceae, have been removed from the family…
A: Cannabaceae was first differentiated from Moraceae by Rendle (1925) and contained just Cannabis L.…
Q: Biotic Factors like a fungus affect grasshopers? and how does it?
A: Biotic and abiotic factors has played major role in control of insect population. Abiotic factors…
Q: What is the description of habit of banana (Musa acuminata)?
A: The stem can be defined as one of the two main structural axes of a vascular plant. The main…
Q: Why do plants need toexchange gases with theenvironment?
A: Respiration could be a complex process within which respiratory substrate like glucose, sucrose are…
Q: Describe dehiscence of sporophyte and dispersal of spores in Riccia.
A: Riccia is a genus of liverworts and is widely distributed throughout the world. Their body is not…
Q: what control measures have been put in place to help caulerpa taxifolia
A: Introduction Caulerpa taxifolia is a marine green macro-algae found in the Indian, Atlantic, and…
Q: What is the other name of Cycas revoluta?
A: Cycads are plants that belong to the phylum Cycadophyta ad include species like Cycas revoluta,…
Q: Why are calotropis plants not browsed by herbivores?
A: Calotropis or giant milkweed plant is a poisonous plant. It belongs to the family Asclepiadaceae.
Q: Which of the following statements about the haplodiplontic life cycle of land plants is/are TRUE?
A: The life cycle of plants alternates between the two generations viz. gametophytic and sporophytic…
Q: Describe, in detail, the primary damage of the suborder Auchenorrhyncha to a named crop seedling.
A: The suborder Auchenorrhyncha belongs to the order Hemiptera. It includes treehoppers, spittlebugs,…
Q: How does temperatire, precipitation, humidity affect the distribution of Pinus massoniana?
A: INTRODUCTION In the biodiversity the terrestrial ecosystem played a major role in the global…
Q: What is the diagram Microsporophyll, side view of false sago palm?
A: Answer: Introduction: A sporophyll is a leaf which have sporangia. Within heterosporous plants,…
Q: On a local scale, why are sowbugs commonly found in some places but not others?
A: Sowbugs and their occurrence in limited environment :-
Q: Describe, in detail, the primary damage of the suborder auchenorrhyncha to a named crop seedlings.
A: Auchenorrhyncha is the suborder of the order Hemiptera that includes insects like…
Q: Make a line diagram of a young dicot stem of Dimorphoteca sp. as seen in a cross section. NB! Figure…
A: Dimorphoteca sp. belongs to the family of sunflower species.The young dicot stem cross section is…
Q: The morphological nature of rhizophore of Selaginella is- (A) Root like (B) Stem like (C) Both root…
A: Introduction - Rhizophore: tufts of adventitious roots near the tip of club mosses of the genus…
Q: How does Blue Hubbard Squash help beneficial insects and help reduce pesticide use?
A: Conventional pest management against cucumber beetles (members of two genera of beetles, Diabrotica…
Q: Describe a commercial application of Thermus aquaticus.
A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…
Q: Describe in details the primary damage of the suborder Auchenorrhycha to a named crop seedling
A: Auchenorrhyncha is the suborder of the order Hemiptera, which includes insects like leaf-hoppers,…
Q: What caused "Foolish seedling disease" in Japan?
A: Foolish seedling disease affects the metabolism of the plant by resulting in surplus increase of…
Q: Describe the image (chloroplast that has been isolated from spinach leave)(shapes, patterns,…
A: The image shown in the question is the chloroplast that has been isolated from spinach leave. The…
Q: Endomycorrhiza of forest trees contributes to the efficient nutrient cycling in tropical forest…
A: Endo mycorrhizae refer to the type of close relationship between a plant and root fungi in which the…
Q: Give any two commercial products produced from Apis species?
A: The Apis species comprises 11 known species. They are also called as social insects.
Q: What is the advantage of using chlorella rather than a higher plant?
A: The following are the reasons why Melvin Calvin (1954) chose chlorella over higher plants despite…
Q: Euglena Describe the biology of the species, especially its mode of nutrition, reproduction, and…
A: Euglena is a single-celled freshwater organism with a flagellum. It is green in color. They belong…
Q: What might prevent an endophytic fungus from reaping the benefits from a grass without providing a…
A: Symbiosis refers to the living arrangements that are set up between members of two different…
Q: Why might spike moss rehydrate much quicker than a larger plant? Explain.
A: Spike moss, a family of fernlike seedless vascular plants belongs to the order Selaginellales. The…
Q: describe the sporangium and sporangiophore of the druiting body of physarum
A: The sporangium is usually elongated or oval in shape and it colours include white, brown, orange and…
Q: what type of stem modification does: -Pistia stratiotes -Calotropis gigantea
A: Stem modification - Pistia stratiotes it is a type of floating plant ie a freshwater invasive…
Q: What is a mycorrhizal association? What benefit does the plant derive from the association?
A: Symbiosis is the coexistence of one or more organisms. Partnerships for mutual benefit are referred…
Q: How is the communication that occurs between a rhizobium and a leguminous plant similar to that…
A: Leguminous plants and Rhizobium both live in symbiotic relationships with each other. In this…
Q: Describe in detail, the primary damage of the suborder Auchenorrhyncha to a named crop seeding.
A: Auchenorrhyncha is the suborder of the order Hemiptera that includes insects like…
Q: Draw a figure of a typical sporulation cycle in Bacillus species from the active vegetative cell to…
A: Bacillus species are sporulating, aerobic, gram-positive, rod-shaped bacteria. They cause infections…
Q: In the new England states during fall, tours are conducted to see the beautiful fall foliage. What…
A: The foliage means individual leaves or a whole canopy of a tree. In the United Kingdom during the…
Q: What are the types ofplant geotropisms? Why dothe stem and the root presentopposite geotropisms?
A: All plants come under the kingdom Plantae. They are eukaryotes, multicellular, and having cell…
Q: Is saguaro cacti a fungus
A: Fungi may be found in almost every habitat, but the majority live on the soil or plant material…
Q: Why are bryophytes considered as primary source of water?
A: Bryophytes are a casual gathering comprising of three divisions of non-vascular land plants: the…
Q: what is the usefulness of plants as a model for studying the pathogenicity of P. aeruginosa
A:
Why do cattle avoid browsing on calotropis plants?Explain.
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- Anemophily is the pollination by –a) Birdsb) Rainc) insectsd) WindWhy is Arabidopsis thaliana a good model organism ? Why is it essential for GUS ?Soil often goes through periods of extreme dryness and extreme wetness. What characteristics of clostridium species make them well suited for these conditions?
