Home
Class 12
BIOLOGY
How many cellular nuclei do the pollen t...

How many cellular nuclei do the pollen tube of angiosperm have? What is the ploidy of each of the nuclei?

Answer

Step by step text solution for How many cellular nuclei do the pollen tube of angiosperm have? What is the ploidy of each of the nuclei? by BIOLOGY experts to help you in doubts & scoring excellent marks in Class 12 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE ( SHORT ANSWER TYPE II QUESTIONS)|2 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE (LONG ANSWER TYPE II QUESTIONS)|1 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE (VERY SHORT ANSWER TYPE QUESTIONS)|6 Videos

  • SEX-DETERMINATION

    ARIHANT PUBLICATION|Exercise CHAPTER PRACTICE ( LONG ANSWER TYPE QUESTIONS)|2 Videos

  • SOLVED PAPER 2018

    ARIHANT PUBLICATION|Exercise Section B (Zoology) (Group III)|7 Videos

Similar Questions

Explore conceptually related problems

How many nuclei do form male gametoyptes in angiosperms.

How many celled embryo sac is seen among angiosperms.

Knowledge Check

  • Movement in pollen tubes in angiosperms is:

    A
    Chemotropic
    B
    Chemonastic
    C
    Chemotactic
    D
    Hydrotropic

    • Similar Questions

    Explore conceptually related problems

    How many factors does 210 have ?

    Two nuclei have mass numbers in the ratio of 27:512 .What is the ratio of their nuclear radii?

    Two nuclei have mass numbers, in the ratio of 1 : 8. What is the ratio of their nuclear radii?

    How do the two lenses of an astronomical telescope differ from each other?

    Answer any two of the following : (i) Draw a longitudinal section of the pistil of an angiosperm showing the growth of pollen tube up to the micropyle of ovule, Label (a) stigma, (b) embryo sac, (c) pollen tube, (d) micropyle, (ii) Explain the events that occurs, up to fertilisation, when the compatible pollen grain lands on the stigma.

    How many diagonals can an n-gon (a polygon with n sides ) have ?

    Consider the following statements. (i) Polyspermy may bring about fertilisation of egg by more than one male nucleus or the supernumerary sperms may fertilise other components of embryo sac much as synergids or antipodals. (ii) In angiosperms, pollen tube is normally an unbranched structure which ususally persists after fertilisation. (iii) Intine is the inner, pectocellulosic layer of pollen grain wall which is destroyed during acetolysis. (iv) Exine layer of pollen grain comprises of an outer non-sculptured layer sexine and an inner sculptured layer tectum. Which of the following combinations of above given statements is correct ?

    Home
    Profile