Reproduction In Lower And Higher Plants Notes

Maharashtra Board Class 12 Biology Notes Chapter 1 PDF Free Download, Maharashtra Board Class 12 Solutions for Biology Chapter 1 Reproduction in Lower and Higher Plants PDF.

Reproduction In Lower And Higher Plants Notes PDF

For The Purpose Of Creating A New Generation Of The Same Species, Every Organism Reproduces. This Is How Life Is Lived. The Same Is True Of Plants. To Continue Living, They Also Created And Used Various Reproductive Techniques.

Plants Produce Employing A Variety Of Methods. The Reproductive Strategies Used By Plants In The Primitive Classification Vary From Those Used By Higher Species. We Shall Study About These Techniques In Class 12 Biology Chapter 1 Reproduction In Lower And Higher Plants. To Create A Solid Conceptual Framework, You Might Turn To The Solutions Provided By The Experts In This Chapter.

Lower And Higher Plant Reproduction Download Free Notes Pdf: In Order To Sustain The Continuation Of A Species, Organisms Produce Offspring With Similar Characteristics Via Reproduction, Which Is The Development Of Young That Resemble Their Parents. Asexual Reproduction And Sexual Reproduction Are The Two Methods Of Reproduction In Lower And Higher Plants, Respectively.

Asexual Reproduction, Which Produces Genetically Identical Offspring By Processes Including Fragmentation, Budding, Fission, And Spore Formation, Among Others, Does Not Entail The Union Of Two Functional Gametes Or Sex Cells. In Order To Reproduce Sexually, Two Gametes, Or Sex Cells, Must Merge. In Higher Plants, Flowering Signals The Beginning Of The Reproductive Stage.

Exercise | Q 1.1 | Page 16

Insect pollinated flowers usually posses ______

OPTIONS

1. Sticky pollens with rough surface
2. Large quantities of pollens
3. Dry pollens with smooth surface
4. Light coloured pollens

SOLUTION

Insect pollinated flowers usually posses Sticky pollens with rough surface.

Exercise | Q 1.2 | Page 16

In ovule, meiosis occurs in ______

OPTIONS

1. integument
2. nucellus
3. megaspore
4. megaspore mother cell

SOLUTION

In ovule, meiosis occurs in megaspore mother cell.

Exercise | Q 1.3 | Page 16

The ploidy level is not the same in ______.

OPTIONS

1. Integuments and nucellus
2. Root tip and shoot tip
3. Secondary nucleus and endosperm
4. Antipodals and synergids

SOLUTION

The ploidy level is not the same in secondary nucleus and endosperm.

Exercise | Q 1.4 | Page 16

Which of the following types require pollinator but the result is genetically similar to autogamy?

OPTIONS

1. Geitonogamy
2. Xenogamy
3. Apogamy
4. Cleistogamy

SOLUTION

Geitonogamy

Exercise | Q 1.5 | Page 16

If diploid chromosome number in a flowering plant is 12, then which one of the following will have 6 chromosomes?

OPTIONS

1. Endosperm
2. Leaf cells
3. Cotyledons
4. Synergids

SOLUTION

Synergids

Exercise | Q 1.6 | Page 16

In angiosperms, endosperm is formed by/ due to ______

OPTIONS

1. free nuclear divisions of megaspore
2. polar nuclei
3. polar nuclei and male gamete
4. synergids and male gamete

SOLUTION

In angiosperms, endosperm is formed by/ due to polar nuclei and male gamete.

Exercise | Q 1.7 | Page 16

Point out the odd one.

OPTIONS

1. Nucellus
2. Embryo sac
3. Micropyle
4. Pollen grain

SOLUTION

Pollen grain.