What do you mean by pollen, Biology

Assignment Help:

Q. What do you mean by pollen?

Pollen grains are the male gametophytes of the phanerogamic (flowering) plants So within the pollen grains the male gametes of these plants are formed by mitosis.


Related Discussions:- What do you mean by pollen

Protozoa , lest the characteristics of Protozoa

lest the characteristics of Protozoa

Cleavage, CLE A V AG E - Holoblastic & unequal. First plane is meri...

CLE A V AG E - Holoblastic & unequal. First plane is meridional. 2 blastomeres are formed. 1 megamere & another micromere. 2nd plane is also meridional but at 90° to fir

Azotobacter, Azotobacter Azotobacter is known to possess the following...

Azotobacter Azotobacter is known to possess the following two mechanisms to protect its nitrogenase from oxygen inhibition. Respiratory protection and Confor

Which is the first heart chamber into which blood enters, Q. Which is the f...

Q. Which is the first (human) heart chamber into which blood enters? Where does the blood go after passing that chamber? What is the name of the valve that separates the compartmen

Roles of fatty acid, Fatty acids have four main biological roles: 1.  Th...

Fatty acids have four main biological roles: 1.  They are used to create sphingolipids and glycerophospholipids which are necessary elements of biological membranes; 2.  Nume

Describe retroviruses and how do they reproduce, Q What are the retroviruse...

Q What are the retroviruses? How do they reproduce and what is the role of the enzyme reverse transcriptase? Retroviruses are viruses whose genetic material is RNA, HIV and the

State the young''s trichromatic theory, Young's Trichromatic Theory Ac...

Young's Trichromatic Theory According to Young's theory, three types of cones exist, each sensitive to a particular pigment-rythrolabe (red), chlorolabe (green), and cyanolabe

Explain carbohydrates - nutritions, Explain Carbohydrates - Nutritions? ...

Explain Carbohydrates - Nutritions? Liberal amounts of carbohydrates should be given i.e. around 60% to 65% of the total energy. However, care must be taken regarding the maxim

What is xaxim, What is xaxim? Most pteridophytes have subterraneous ste...

What is xaxim? Most pteridophytes have subterraneous stems parallel to the substrate known as rhizomes. Xaxim is a type of pteridophyte with an aerial stem generally perpendicu

Excretion., organisms and their excretory organelles

organisms and their excretory organelles

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd