What is Polygamous condition and give two examples. 

1 Answer

Answer :

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

Related questions

Description : Could one give just one verse in the New Testament with a believer in a polygamous legal union?

Last Answer : Bible Gateway 1 Corinthians 7 :: NIV. Now for the matters you wrote about: It is good for a man not to marry. But since there is so much immorality, each man should have his own wife, and ... own husband. The husband should fulfill his marital duty to his wife, and likewise the wife to her husband.

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

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

Description : What are fasciculated roots? Give two examples.

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

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. 

Description : Define artificial system of classification and give two examples. 

Last 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 ... in Historia Plantarum. Linnaeus classification of plants based on androecium and Gynoecium characters. 

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 

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 

Description : Water logging of soil makes it physiologically dry because- (a) This condition does not allow the capillary force to work b) this condition does not allow oxygen to enter the soil C) both (a) and (b) d) none of these 

Last Answer : b) this condition does not allow oxygen to enter the soil

Description : What is a polygamous plant? -Biology

Last Answer : answer:

Description : How many types of polygamous compounds and what are they ?

Last Answer : 8 types of polyhedral compounds . E.g.

Last Answer : A family formed by the marriage of more than one man to one woman is called polygamous family

Description : Are all men polygamous naturally?

Last Answer : I was reading an article which said that men are not naturally monogamous and as we know in some cultures it is perfectly natural for a man to have many wives. However in most civilised countries ... certain cultures but we have been conditioned to believe that it is better to mate with one person.

Description : Name any polygamous type of plant?

Last Answer : Mango

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))

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.

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.  

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

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. 

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

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. 

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

Last Answer : a) Gloriosa

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

Last Answer :  d) bulb

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. 

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.   

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.

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. 

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

Description : Which group of Plants are called Amphibians of the plant kingdom and give an example. 

Last Answer : Ans: Bryophytes are called as Amphibians of the Plant Kingdom. Example is Funaria. 

Description : To which family the petro plants belong and give an example.

Last Answer : Ans: Petro plants belong to family Euphorbiaceae. Example is Jatropa 

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

Description : What is epicalyx? Give the scientific name of one plant in which it is present. 

Last Answer : Ans: It is whorl of bracteoles present below the calyx. Ex: Hibiscus

Description : What are alleles? Give an example. 

Last Answer : Ans: Alternative forms for a gene are called as alleles. Ex: The alleles for length of stem are T and t. 

Description : The trees occurring in two stories is the characteristic feature of: (a) Temperate deciduous forest (b) Tropical savannah (c) Grassland (d) Coniferous forest

Last Answer : Ans. ((a))

Description : A plant having two types of haploid structures in its life cycle is known as: (a) Haplobiontic (b) Diplobiontic (c) Haplontic (d) Diplontic

Last Answer : Ans. ((a))

Description : The two great industrial tragedies MIC and Chemobyl occurred respectively in: (a) Bhopal 1984, Ukraine 1986 (b) Madhya Pradesh 1980, Russia 1990 (c) Bhopal 1980, Ukraine 1984 (d) Ukraine 1990, Bhopal 1986

Last Answer : Ans. ((a))

Description : In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Last Answer : Ans. ((d))

Description : The abortive female flower in the male cone of Gnetum can be distinguished from the normal ovules of the female cone apart from its function by the presence of …. a) no envelops b) single envelope c) two envelopes d) several envelops.

Last Answer : b) single envelope

Description : Presence of two layers of phloem, one above xylem and another below xylem is called as

Last Answer : Presence of two layers of phloem, one above xylem and another below xylem is called as – Bicollateral arrangement

Description : When embryosac receives two or more than two pollen tubes the sperm nucleus fusing with the egg nucleus may be derived from one pollen tube and one fusing with the polar nuclei may be derived from other pollen tube, the phenomenon is termed as

Last Answer : When embryosac receives two or more than two pollen tubes the sperm nucleus fusing with the egg nucleus may be derived from one pollen tube and one fusing with the polar nuclei may be derived from other pollen tube, the phenomenon is termed as – Heterofertilization

Description : In double fertilization, the two male nuclei fuse with

Last Answer : In double fertilization, the two male nuclei fuse with – Egg cell and Definitive nucleus

Description : The pollination between two different flowers present on same plant is called as

Last Answer : The pollination between two different flowers present on same plant is called as – Geitonogamy

Description : Name any two plants having sensitive stigmas

Last Answer : Ans: Mimulus, Martynia  

Description : Name the two plants of Malvaceae that lack epicalyx.

Last Answer : Ans: Abutilon, Sida

Description : Name two free floating hydrophytes with offsets. 

Last Answer : Ans: Pistia, Eichhornia 

Description : Name two amphibious plants 

Last Answer : Ans: Limnophila heterophyllum, Typha  

Description : Tissue culture is a good technique to a) Cross two varieties b) Rapidly increase the size of a trees by strengthening the stem c) Eliminate virus d) Improve yield of crops 

Last Answer : c) Eliminate virus 

Description : In hybridization this is not part of the technique used a) Transfer pollen b) Collect pollen c) Emasculate d) Use of two plants to bridge the stems together 

Last Answer : d) Use of two plants to bridge the stems together

Description : How do you care for an orchid?

Last Answer : I have two, and they require almost no care except water. It is the time of year they shed their blossoms so don’t worry. In the spring they will come right back.

Description : Where's can I buy one of those new "Jumbo" Venus Flytrap's?

Last Answer : You can buy them at The Little Shop of Horrors.

Description : What happens to a fully grown fruit tree if it is transplanted?

Last Answer : Fruit trees are so cheap…why not just plant a new one?