1. Completing the gaps:
(a) The process of producing new individuals from a parent’s vegetative tissue is known as .
(b) The reproductive organs of a flower can be either male or female. A flower like that is known as .
© The act of pollen grains moving from the anther of one flower of a species to the stigma of another is called .
(d) The combination of male and female gametes is known as .
(e)There are three methods used for seed dispersal: _______, _______, and .
1. Completing the gaps:
(a) The process of producing new individuals from a parent’s vegetative tissue is known as .
(b) The reproductive organs of a flower can be either male or female. A flower like that is known as .
© The act of pollen grains moving from the anther of one flower of a species to the stigma of another is called .
(d) The combination of male and female gametes is known as .
(e)There are three methods used for seed dispersal: _______, _______, and .
Answer:
(a) Vegetative propagation is the process of producing new individuals from the vegetative portion of a parent.
(b) The reproductive organs of a flower can be either male or female. A flower like that is known as a unisexual flower.
© Pollination is the process of moving pollen grains from an anther to the stigma of the same flower or of another bloom of the same species.
(d) Fertilization is the process of combining male and female gametes.
(e)Wind, water, and animals all play a role in seed dissemination.
2. Describe the various asexual reproduction techniques. Provide instances.
2. Describe the various asexual reproduction techniques. Provide instances.
Answer:
The following are many asexual reproduction techniques:
Plant MMultiplicatio
New plants are created through asexual reproduction from the individual plant’s roots, stems, leaves, and buds.
Potato tubers and ginger rhizomes are two examples.
Buddin
The bud is a tiny protrusion that grows over time, separates from the parent cell, and develops into a new yeast cell. The fresh yeast cell develops, multiplies, and gives rise to other yeast cells.
Yeast is an example.
Fragmentation
The growth and multiplication in this way of reproduction are accomplished by breaking down quickly into two or more fragments. When water and nutrients are available, each fragment develops into a new individual.
Algae is one example.
Creation of Spores
Its reproduction is carried out via spores, which, in the right circumstances, germinate and grow into new individuals.
Fungi like Rhizopus, Mucor, etc. are examples.
Fission
It is a sort of asexual reproduction in which a single-celled creature divides into many, independent entities. There are two different forms of fission:
Binomial fusion
Fission Examples in multiples
Amoeba, Paramecium, Leishmania, and other unicellular organisms that perform binary fission are some examples.
Multiple fissions are a process that Plasmodium goes through.
3. Describe how you define sexual reproduction.
3. Describe how you define sexual reproduction.
Answer:
The answer is sexual reproduction, which involves the fusion of male and female gametes to create a new human being. In plants, the anthers and ovary are carried by the male and female reproductive organs known as stamens and pistils, respectively.
4. Describe the primary contrast between sexual and asexual reproduction.
4. Describe the primary contrast between sexual and asexual reproduction.
Answer:
unmarried reproductioa sexual relationship
There is only one parent needed
a male and female parent are necessary
Forming daughter cells are identical to
their parents and to one another.
Offspring that have just been formed different from their parents.
You don't need special reproductive organs.
There is a need for specific reproductive organs.
Ex: Yeast, rose, and jasmine
Ex: Animals and insects
5. Sketch the reproductive parts of a flower.
5. Sketch the reproductive parts of a flower.
Answer:
6. Describe how self-pollination and cross-pollination differ from one another.
6. Describe how self-pollination and cross-pollination differ from one another.
Answer
Self-pollination
Cross-pollination
Pollen grains are transferred from the anther to the stigma of the same flower during self-pollination.
Pollen grains are transmitted from the anther of one bloom to the stigma of another flower of the same species during cross-pollination.
The only flowers that self-pollinate are bisexual flowers.
Both unisexual and bisexual flowers experience it.
7. How does the fertilisation process work in flowers?
7. How does the fertilisation process work in flowers?
Answer:
The union of male and female gametes (to create a zygote) is known as fertilisation. The zygote grows into an embryo, and the embryo goes through mitosis to divide its cells into seeds.
8. Describe the various seed dispersal methods.
8. Describe the various seed dispersal methods.
Answer:
Animals, the wind, and the water all carry away plant seeds and fruits. Flying seeds, including those of the drumstick and maple, light grass seeds, hairy aak (Madar) seeds, and hairy sunflower fruit are carried away by the wind to distant locations. Water helps spread some seeds. These fruits or seeds typically acquire the ability to float in the form of a spongy or fibrous outer layer, similar to that of the coconut. Animals are responsible for dispersing some seeds, particularly spiny seeds with hooks that adhere to animal bodies and travel long distances. Urena and Xanthium are two examples. When the fruits ripen, some seeds are released into the air.
9. Compare the items in Columns I and II: Table I Table II
Column-I Column-II\s(a) Bud I (b) Maple Eyes (ii) Spirogyra\s(c) Fragmentation (iii) Yeast\s(d) Wings (iv) bread fungus € Spores (v) Potato\s(vi) Rose
9. Compare the items in Columns I and II: Table I Table II
Column-I Column-II\s(a) Bud I (b) Maple Eyes (ii) Spirogyra\s(c) Fragmentation (iii) Yeast\s(d) Wings (iv) bread fungus € Spores (v) Potato\s(vi) Rose
Answer:
Column-I Column-II\s(a) Bud (iii) Eyes (b) Yeast (v) Potato (c) Dispersion (ii) Spirogyra\s(d) Wings I Maple\s€ Spores (iv) bread fungus
10. Mark the appropriate response:
(a) A plant's reproductive organs are its I leaf, (ii) stem, (iii), root, and (iv) flower.
(b) The fusion of the male and female gametes is known as I fertilisation (ii), (iii) pollination (iii), (iii) reproduction, and (iv) seed formation.
c) The mature ovary produces the seed, stamen, pistil, and fruit
(d) I A rose (ii) Bread mould (iii) Potato (iv) Ginger is a spore-producing creature
(e) Bryophyllum can reproduce through its stem, leaves, roots, flowers, and other organs.
10. Mark the appropriate response:
(a) A plant's reproductive organs are its I leaf, (ii) stem, (iii), root, and (iv) flower.
(b) The fusion of the male and female gametes is known as I fertilisation (ii), (iii) pollination (iii), (iii) reproduction, and (iv) seed formation.
c) The mature ovary produces the seed, stamen, pistil, and fruit
(d) I A rose (ii) Bread mould (iii) Potato (iv) Ginger is a spore-producing creature
(e) Bryophyllum can reproduce through its stem, leaves, roots, flowers, and other organs.
Answer:
A) fertilisation; B) flower; C) fruit; (iv) fruiting
d (ii) Bread mould, and e leaves
