NCERT Solutions for Class 12 Physical+education Chapter 2 Sexual Reproduction In Flowering Plants

Sexual Reproduction In Flowering Plants Here is the CBSE Physical+education Chapter 2 for Class 12 students. Summary and detailed explanation of the lesson, including the definitions of difficult words. All of the exercises and questions and answers from the lesson's back end have been completed. NCERT Solutions for Class 12 Physical+education Sexual Reproduction In Flowering Plants Chapter 2 NCERT Solutions for Class 12 Physical+education Sexual Reproduction In Flowering Plants Chapter 2 The following is a summary in Hindi and English for the academic year 2025-26. You can save these solutions to your computer or use the Class 12 Physical+education.

Question 1

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The innermost layer of anther is tapetum whose function is :
dehiscence
mechanical
nutrition
protection.

Solution

nutrition

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NCERT Solutions for Class 12 Physical+education Chapter 2 Sexual Reproduction In Flowering Plants

The innermost layer of anther is tapetum whose function is :
dehiscence
mechanical
nutrition
protection.

In a bisexual flower when the gynaecium matures earlier than anther, it is called as :
protandry
protogyny
herkogyny
None of the above.

Simultaneous meiotic division of microspore mother cells leads to :
tetrahedral tetrad
linear tetrad
isobilateral
decussate tetrad.

The fertilization occurs in the :
ovary
ovule
embryo sac
nucellus.

The female gametophyte of a typical dicot at the time of fertilization is:
8-celled
7-celled
6-celled
4-celled

Development of embryo from any cell of nucellus is called :
Apogamy
Apospory
Parthenogenesis
Sporogenesis

Parthenocarpic fruit is :
fruit with immature seeds
fruit with mature seed
fruit developed without fertilization
only seeds and no fruits.

The entry of pollen tube into embryo sac through the integuments is termed as :
porogamy
chalazogamy
mesogamy
Both (a) and (b)

512 microspores will be formed following meiosis of how many microspore mother cells.
16
64
128
256

Pollination by water occurs in :
vallisneria
corn cob
rose
sunflower.

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Entrance Exams Preparation

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NCERT Solutions for Class 12 Physical+education Chapter 2 Sexual Reproduction In Flowering Plants

The innermost layer of anther is tapetum whose function is : dehiscencemechanicalnutrition protection.

In a bisexual flower when the gynaecium matures earlier than anther, it is called as : protandryprotogynyherkogynyNone of the above.

Simultaneous meiotic division of microspore mother cells leads to : tetrahedral tetradlinear tetrad isobilateraldecussate tetrad.

The fertilization occurs in the : ovaryovuleembryo sacnucellus.

The female gametophyte of a typical dicot at the time of fertilization is: 8-celled7-celled6-celled4-celled

Development of embryo from any cell of nucellus is called : Apogamy AposporyParthenogenesisSporogenesis

Parthenocarpic fruit is : fruit with immature seedsfruit with mature seed fruit developed without fertilizationonly seeds and no fruits.

The entry of pollen tube into embryo sac through the integuments is termed as : porogamychalazogamymesogamyBoth (a) and (b)

512 microspores will be formed following meiosis of how many microspore mother cells. 1664128256

Pollination by water occurs in : vallisneriacorn cobrosesunflower.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

The innermost layer of anther is tapetum whose function is :
dehiscence
mechanical
nutrition
protection.

In a bisexual flower when the gynaecium matures earlier than anther, it is called as :
protandry
protogyny
herkogyny
None of the above.

Simultaneous meiotic division of microspore mother cells leads to :
tetrahedral tetrad
linear tetrad
isobilateral
decussate tetrad.

The fertilization occurs in the :
ovary
ovule
embryo sac
nucellus.

The female gametophyte of a typical dicot at the time of fertilization is:
8-celled
7-celled
6-celled
4-celled

Development of embryo from any cell of nucellus is called :
Apogamy
Apospory
Parthenogenesis
Sporogenesis

Parthenocarpic fruit is :
fruit with immature seeds
fruit with mature seed
fruit developed without fertilization
only seeds and no fruits.

The entry of pollen tube into embryo sac through the integuments is termed as :
porogamy
chalazogamy
mesogamy
Both (a) and (b)

512 microspores will be formed following meiosis of how many microspore mother cells.
16
64
128
256

Pollination by water occurs in :
vallisneria
corn cob
rose
sunflower.