Define artificial system of classification and give two examples.

Define artificial system of classification and give two examples. 
by

1 Answer

Answer :

Ans: Classification which is based on one or few easily comparable characters is called as Artificial system of classifications. Ex: Theophrastus classification of plants into Herbs, Shrubs and Trees in Historia Plantarum. Linnaeus classification of plants based on androecium and Gynoecium characters. 
by

Related questions

Classification of stomata was first given by

Description : Classification of stomata was first given by

Last Answer : Classification of stomata was first given by – Metcalfe and Chalk (1950)

Who recognized the importance of floral characters in Taxonomy? Why are floral characters more useful than vegetative characters in classification?

Description : Who recognized the importance of floral characters in Taxonomy? Why are floral characters more useful than vegetative characters in classification? 

Last Answer : Ans: Linnaeus. Floral characters show more variations and more stable than vegetative characters. 

Why Artificial Organisms Are Reproduced in Non-Flowering Plants ?

Description : Why Artificial Organisms Are Reproduced in Non-Flowering Plants ?

Last Answer : As the sexual reproduction of non-flowering plants is not complete, artificial reproduction is done.

Artificial ripening of fruits is accomplished by treatment with: (a) Sodium chloride (b) IAA (c) Ethylene gas (d) Kinetin

Description : Artificial ripening of fruits is accomplished by treatment with: (a) Sodium chloride (b) IAA (c) Ethylene gas (d) Kinetin

Last Answer : Ans. ((c))

The chemicals which induce artificial polyembryony are

Description : The chemicals which induce artificial polyembryony are

Last Answer : The chemicals which induce artificial polyembryony are – 2,4 D; 2,4,5, T, and NAA

Artificial methods of reproduction do not include a) Rhizome b) cutting c) layering d) budding

Description : Artificial methods of reproduction do not include a) Rhizome b) cutting c) layering d) budding

Last Answer : a) Rhizome

Advantages of Artificial Methods of Vegetative Reproduction include a) Crops with better quality b) Crops with more yield c) Ability to produce plants with desirable qualities d) All of these

Description : Advantages of Artificial Methods of Vegetative Reproduction include a) Crops with better quality b) Crops with more yield c) Ability to produce plants with desirable qualities d) All of these 

Last Answer : c) Ability to produce plants with desirable qualities 

Artificial methods of vegetative propagation includes a) Cloning b) grafting c) cuttings d) both b and cn

Description : Artificial methods of vegetative propagation includes a) Cloning b) grafting c) cuttings d) both b and cn

Last Answer :  d) both b and cnswe

What is Polygamous condition and give two examples.

Description : What is Polygamous condition and give two examples. 

Last Answer : Ans: Polygamous condition is presence of male, female and bisexual flowers on the same plant. Ex: Mangifera, Polygonum 

Which aerial stem modification is concerned with vegetative propagation? Give two examples.

Description : Which aerial stem modification is concerned with vegetative propagation? Give two examples. 

Last Answer : Ans: Bulbils. Ex: Agave americana, Dioscoria bulbifera 

What are fasciculated roots? Give two examples.

Description : What are fasciculated roots? Give two examples.

Last Answer : Ans: Tuft of storage adventitious roots are called as fasciculated roots. Ex: Asparagus, Dahlia 

What are assimilatory roots? Give two examples.

Description : What are assimilatory roots? Give two examples. 

Last Answer : Ans: Modified green adventitious roots that help in assimilation of carbon dioxide are called as assimilatory roots. Examples are Taeniophyllum, Tinospora. 

What are the three types of styles? Give examples.

Description : What are the three types of styles? Give examples. 

Last Answer : Ans: The three types of styles are 1. Terminal – Ex: Datura, 2. Lateral – Ex: Mangifera, 3. Gynobasic – Ex: Ocimum 

What is meant by Monosiphonous and Polysiphonous pollen grains? Give examples.

Description : What is meant by Monosiphonous and Polysiphonous pollen grains? Give examples. 

Last Answer : Ans: Pollen gains that form single pollen tube are monosiphonous. Ex: Solanum. Which form more than one pollen tubes are Polysiphonous. Ex: Malvaceae, Cucurbitaceae 

Define aereole and give an example.

Description : Define aereole and give an example. 

Last Answer : Ans: Aereole is elevated region on the Phylloclade of Opuntia which represents a node and consists of spinous modified leaves. The spines are normal spines and hair like spines known as barbs. 

Define self sterility. Give an example

Description : Define self sterility. Give an example

Last Answer : Ans: It is failure of germination of pollen grains on the stigma of the same flower. Ex: Orchids, Passiflorea, Abutilon

Define fuel. Give the classification of fuel based on their occurrence with two examples of each type.

Description : Define fuel. Give the classification of fuel based on their occurrence with two examples of each type.

Last Answer : Fuel: A fuel can be defined as any combustible substance which during combustion gives large amount of heat energy.  Classification of Fuel : I) Primary or Natural Physical State i) Solid - e.g wood ... diesel oil, lubricating oil iii)Gaseous- e.g LPG, water gas ,producer gas ,coal gas, biogas

Azotobacter and Beijerinckia are the examples of (a) Symbiotic nitrogen-fixers (b) Non-symbiotic nitrogen-fixers (c) Ammonifying bacteria (d) Disease causing bacteria

Description : Azotobacter and Beijerinckia are the examples of (a) Symbiotic nitrogen-fixers (b) Non-symbiotic nitrogen-fixers (c) Ammonifying bacteria (d) Disease causing bacteria

Last Answer : Ans. ((b))

what examples of plant form exist?

Description : what examples of plant form exist?

Last Answer : Most students can recognize that plants come in many different heights, widths, and overall forms. Below is a listing of some of general plant forms that exist in the world. Trees: Plants ... smaller than trees. Ferns, grasses, tulips, and most vegetable crops are examples of herbaceous plants.

How many types of secretary cavities are there? Explain with examples

Description : How many types of secretary cavities are there? Explain with examples 

Last Answer : Ans: There are two types of secretary cavities known as Lysigenous cavities and Schizogenous cavities.  1. Lysigenous cavities: These are formed by the lysis of secretary cells. The cavities are ... secretary cells. The lining layer of cells is called as epithelium. Ex: Pinus resin ducts.  

Explain various kinds of sclereids with examples

Description : Explain various kinds of sclereids with examples

Last Answer : Ans: Sclereids are relatively short sclerenchyma cells which occur either singly or in groups in various parts of the plant body. They are of the following types. 1. Brachysclereids: These are ... that are extended into even intercellular spaces. Ex: Leaves of Olea and aerial roots of Monstera

Explain false fruits with examples

Description : Explain false fruits with examples

Last Answer : Ans: Fruits developed from non-ovarian part of the flower are called as false fruits. They are always associated with true fruits. Ex: Anacardium occidentale, Pyrus malus In Anacardium, the ... Pyrus malus, the thalamus becomes fleshy. It is edible and completely surrounds the false fruit. 

What is zoophily? Mention the four kinds of zoophily with examples.

Description : What is zoophily? Mention the four kinds of zoophily with examples.

Last Answer : Ans: Pollination by animals is called as zoophily. The four types are as follows 1. Entomophily: it is pollination by insects. Ex: Cestrum 2. Ornithophily: Pollination by birds. Ex: Bignonia ... by Snails and slugs. Ex: Aroideae  4. Cheiropteriphily: Pollination by bats. Ex: Kigelia pinnata

Describe various types of aestivations with the help of suitable examples.

Description : Describe various types of aestivations with the help of suitable examples.

Last Answer : Ans: Arrangement of perianth lobes in bud condition is called as aestivation. They are of the following types. I. Valvate: Perianth lobes of cycle are arranged side by side but not overlapped. ... remaining one has one margin inside and one margin outside. Ex: Calyx of Ipomoea and Catharanthus. 

Examples of Corm include a) Gloriosa b) Canna c) Lallang d) GingerA

Description : Examples of Corm include a) Gloriosa b) Canna c) Lallang d) GingerA

Last Answer : a) Gloriosa

Onion and garlic are examples of a)Rhizome b) corm c) stem tuber d) bulb

Description : Onion and garlic are examples of a)Rhizome b) corm c) stem tuber d) bulb

Last Answer :  d) bulb

Define phylloclade and describe it.

Description : Define phylloclade and describe it.

Last Answer : Ans: Phylloclade is an aerial modified stem or branch with several internodes whose axis becomes green colored to perform photosynthesis. It may be cylindrical as in Casuarina or flat as in ... known as areole. This type of modifications reduce transpiration and an adaptation of xerophytes.  

Define marcescent and acrescent calyx and an example to each.

Description : Define marcescent and acrescent calyx and an example to each. 

Last Answer : Ans: Persistant calyx that does not show development after fertilization is marcescent calyx. Ex: Solanum melongena. Persistant calyx that shows development even after fertilization is called as Acrescent calyx. Ex: Physalis

Define anterior and posterior sides of flower.

Description : Define anterior and posterior sides of flower. 

Last Answer : Ans: The side of the flower facing the bract is anterior side and facing the axis is posterior side.  

Define Phytogeography

Description : Define Phytogeography

Last Answer : Ans: it is Study of distribution of plants on this planet.  

Define mericarp

Description : Define mericarp 

Last Answer : Ans: It is each fruit unit seen in Schizocarpic fruits like Lomentum and Schizocarp.  

Define communities? Who classified plant communities into hydrophytes, mesophytes and xerophytes.

Description : Define communities? Who classified plant communities into hydrophytes, mesophytes and xerophytes. 

Last Answer : Ans: Community is a group of different species living under same climatic conditions. They are classified by Warming based on dependence on water

Define Population and Community.

Description : Define Population and Community. 

Last Answer : Ans: Population is a group of similar individuals of a species living in an area. Community is a group of different species living under same climatic conditions.  

Define chromosome maps

Description : Define chromosome maps

Last Answer : Ans: it is condensed graphic representation of the distance between the genes in a linkage group expressed in the percentage of recombination, located in a single chromosomal group.  

What is artificial system of angiosperm classification? -Biology

Description : What is artificial system of angiosperm classification? -Biology

Last Answer : answer:

What is artificial system of angiosperm classification? -Biology

Description : What is artificial system of angiosperm classification? -Biology

Last Answer : answer:

Carolus Linnaeus System of classification is – (1) Natural (2) Artificial (3) Binomial (4) Phylogenetic

Description : Carolus Linnaeus System of classification is – (1) Natural (2) Artificial (3) Binomial (4) Phylogenetic

Last Answer : (3) Binomial Explanation: Swedish naturalist Carl Linnaeus established the binomial system of naming living organisms, setting a format and a structured process for classifying the interrelationships between plants ... that it will mean the same thing to informed readers anywhere else in the world.

Artificial system of classification was first used by (a) Linnaeus (b) De Candolle (c) Pliny the Edler (d) Bentham and Hooker.

Description : Artificial system of classification was first used by (a) Linnaeus (b) De Candolle (c) Pliny the Edler (d) Bentham and Hooker.

Last Answer : (a) Linnaeus

System of classification used by Linnaeus was (a) natural system (b) artificial system (c) phylogenetic system (d) asexual system

Description : System of classification used by Linnaeus was (a) natural system (b) artificial system (c) phylogenetic system (d) asexual system

Last Answer : (a) natural system

A system of classification, in which a large number of traits are considered, is (a) natural system (b) phylogenetic system (c) artificial system (d) synthetic system.

Description : A system of classification, in which a large number of traits are considered, is (a) natural system (b) phylogenetic system (c) artificial system (d) synthetic system.

Last Answer : (a) natural system

The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations. a) Machine learning b) Pattern recognition c) Statistical classification d) Artificial intelligence

Description : The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations. a) Machine learning b) Pattern recognition c) Statistical classification d) Artificial intelligence

Last Answer : Machine learning

Carolus Linnaeus System of classification is (1) Natural (2) Artificial (3) Binomial (4) Phylogenetic

Description : Carolus Linnaeus System of classification is (1) Natural (2) Artificial (3) Binomial (4) Phylogenetic

Last Answer : Binomial

Difference between artificial and natural classification systems -Biology

Description : Difference between artificial and natural classification systems -Biology

Last Answer : answer:

Classification given by Bentham and Hooker is (a) artificial (b) natural (c) phylogenetic (d) numerica

Description : Classification given by Bentham and Hooker is (a) artificial (b) natural (c) phylogenetic (d) numerica

Last Answer : (b) natural

Species are considered as (a) real basic units of classification (b) the lowest units of classification (c) artificial concept of human mind which cannot be defined in absolute terms (d) real units of classification devised by taxonomists.

Description : Species are considered as (a) real basic units of classification (b) the lowest units of classification (c) artificial concept of human mind which cannot be defined in absolute terms (d) real units of classification devised by taxonomists.

Last Answer : (c) artificial concept of human mind which cannot be defined in absolute terms

Artificial neural network used for A. Pattern Recognition B. Classification C. Clustering D. All of these

Description : Artificial neural network used for A. Pattern Recognition B. Classification C. Clustering D. All of these

Last Answer : D. All of these

Give an account on the structure and function of tRNA

Description : Give an account on the structure and function of tRNA  

Last Answer : Ans: Transfer RNA is the smallest among the RNAs. It is also known as adaptor RNA or decoding RNA or soluble RNA. It accounts for 10 - 15% of total cellular RNA. It consists of 80 - 90 ... significance. tRNA brings the aminoacids to the surface of ribosomes at the time of protein synthesis. 

With the help of labeled diagram give an account of the cell organelle which is generally referred as Cell brain.

Description : With the help of labeled diagram give an account of the cell organelle which is generally referred as Cell brain.

Last Answer : Ans: Nucleus is the controlling centre of the cell that consists of chromosomes. Structurally it has four parts known as Nuclear envelope, Nucleoplasm, Nucleolus and Chromatin.   Nuclear ... chromosome at secondary constriction. It also disappears in Prophase and reappears in telophase.   

Give an account on suicidal bags of the cell.

Description : Give an account on suicidal bags of the cell. 

Last Answer : Ans: These are Lysosomes. They have single unit membrane and formed from E.R. and Golgi complex. These were discovered by de Duve. They are rich in hydrolytic enzymes and play a role in digestion. ... lysosomes can destroy the contents of the same cell they are called as Suicidal bags of the cell.

What is a complete root parasite? Give an example.

Description : What is a complete root parasite? Give an example.  

Last Answer : Ans: A complete parasite is achlorophyllous, establishes haustorial connection with both xylem and Phloem of the host to absorb both mineral water and organic food materials from the host plant. Ex: Orobanche