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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

What is emasculation? - Biology

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प्रश्न

What is emasculation?

उत्तर १

Emasculation is removal of anthers from young bisexual flower before it releases pollen grains. 

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उत्तर २

Removal of anthers of a flower in order to prevent self pollination is called emasculation

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2015-2016 (July)

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Give reason :
Emasculation is done in a flower which is selected as female parent.


Vijaya, Padma, Kanti and Jayanti are high-yielding varieties of ______.


Give the names of ‘two’ insect-resistant crop varieties.


Define the term water potential.


Column - I contains names of host plant while Column - II contains names of viral dieases. Find the correct option.

  Column-I   Column-II
(I) Banana (p) little leaf
(II) Sugarcane (q) bunchy top
(III) Papaya (r) leaf roll
(IV) Brinjal (s) grassy shoot
    (t) leaf curl

In hybridization experiments 'true breeding' means off-springs show ____________.


Sonora – 64 is a variety of ______.


If a diploid cell is treated with colchicine then it becomes:


Shakti, Rattan and protina are three important lysine-rich varieties of:


Mutations in plant cells can be induced by ______


Which one of the following combination would a sugarcane farmer look for in the sugarcane crop?


A collection of all the alleles of all the genes of a crop plant is called ______.


Name a man-made cereal? Trace how it was developed and where is it used?


Discuss the two main limitations of plant hybridization programme.


What is meant by germplasm collection? What are its benefits?


Give few examples of biofortified crops. What benefits do they offer to the society?


You are a Botanist working in the area of plant breeding. Describe the various steps that you will undertake to release a new variety.


Mutations are beneficial for plant breeding. Taking an example, justify the statement.


Bioforified crops are ______.


Match the following:

Sr. No. Column I   Column II
(i) Eutrophication (a) A soil erosion
(ii) Biomagnification (b) carbon monoxide, methane
(iii) Particulate pollutant (c) Prevention of extinction
(iv) Conservation (d) Dust, smog
(v) Gaseous pollutants (e) Accumulation of nonbiodegradable
substances
(vi) Deforestation (f) Death of aquatic ecosystem

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