मराठी

In a typical complete, bisexual, and hypogynous flower the arrangement of floral whorls on the thalamus from the outermost to the innermost is ______. - Biology

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प्रश्न

In a typical complete, bisexual, and hypogynous flower the arrangement of floral whorls on the thalamus from the outermost to the innermost is ______.

पर्याय

  • Calyx, corolla, androecium, and gynoecium

  • Calyx, corolla, gynoecium and androecium

  • Gynoecium, androecium, corolla and calyx

  • Androecium, gynoecium, corolla and calyx

MCQ
रिकाम्या जागा भरा

उत्तर

In a typical complete, bisexual, and hypogynous flower the arrangement of floral whorls on the thalamus from the outermost to the innermost is Calyx, corolla, androecium, and gynoecium.

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पाठ 2: Sexual Reproduction in Flowering Plants - MULTIPLE CHOICE QUESTIONS [पृष्ठ ९]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 2 Sexual Reproduction in Flowering Plants
MULTIPLE CHOICE QUESTIONS | Q 3. | पृष्ठ ९

संबंधित प्रश्‍न

A flower of brinjal plant following the process of sexual reproduction produces 360 viable seeds.
Answer the following questions giving reasons:
(a) How many ovules are minimally involved?
(b) How many megaspore mother cells are involved?
(c) What is the minimum number of pollen grains that must land on stigma for pollination?
(d) How many male gametes are involved in the above case?
(e) How many microspore mother cells must have undergone reduction division prior to dehiscence of anther in the above case?


How are ‘pollen banks’ useful?


Draw a T.S. of a young anther of an angiosperm. Label the different layers of the wall and write their functions.


Answer the following question.
Pollen banks are playing a very important role in promoting plant breeding programs the world over. How are pollens preserved in the pollen banks? Explain. How are such banks benefitting our farmers? Write any two ways.


The functions of tapetum is to ______.


Fertilization involving carrying of male gametes by pollen tube is ______.


Callase enzyme which dissolves callose of pollen tetrads to separate four pollens is provided by ______.


How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?


An organic substance that can with stand environmental extremes and cannot be degraded by any enzyme is ______.


A male plant bearing red flowers was crossed with a female plant bearing yellow flowers. In the F1 generation, all the flowers were orange in colour.

Give a reason to explain the change of colours in F1 generation.


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