Asexual Reproduction
Reproduction with nobody else involved.
Seen in bacteria, amoeba, yeast, in hydra and sponges, and in many plants.
↳ One parent, one kind of offspring.
📚 Chapter Learning Kit
Reproduction: How Life Continues · Class 9 Science
English 5 topics 260 leveled MCQs 110 flashcards 4 games Free
Shared by a Veda teacher · Generated with Veda AI · Oct 2026
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📖 Definition
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Veda Bites are swipeable micro-lessons — each one teaches exactly one idea. Here's a taste from this kit; the app has the full deck.
Vegetative Propagation
New plants without seeds.
New plants arising from the vegetative parts — the growing parts of a plant.
↳ Potato, ginger, money plant, sugarcane, Bryophyllum.
Bryophyllum
Plantlets along a leaf edge.
Its leaves sprout tiny plantlets, which eventually grow into new plants.
↳ A leaf doing the work of a seed.
Sexual Reproduction
Two parents this time.
Both parents contribute to the genetic material of the offspring.
↳ Which raises an arithmetical problem at once.
Why the Number Must Halve
The problem, and its solution.
Meiosis is the special cell division that solves it.
↳ Halve before you join.
Chromosomes
Threads in the nucleus.
Thread-like structures in the nucleus, carrying genetic information.
↳ Each species has a fixed number of them.
📖 Smart notes
What you'll study, topic by topic
1
Asexual Reproduction: Vegetative Propagation, Budding and Spores
One parent, and offspring that are copies of it. Plants sprout from stems and leaves, yeast and hydra push out buds, moulds scatter spores by the million, and behind every case lies the same cell division.
- Asexual reproduction is seen in many unicellular organisms such as bacteria, amoeba and yeast, and in simple multicellular organisms such as…
- Many plants sprout new shoots and roots from their existing parts.
- Where a plant keeps a thickened stem below the soil, as potato and ginger do, fresh plants come up from it and no seed is made at all.
~45 min · full explanation, examples & memory tricks in the app
2
Sexual Reproduction, Meiosis and the Flower
Two parents each contribute, and the chromosome number would double every generation if nothing halved it. Meiosis does, and in halving it shuffles as well, which is where variation comes from. The flower is where that m…
- Where offspring come of two parents rather than one, each of the pair passes something of its own inherited material to what results.
- If each generation received the full set of chromosomes from both parents, the chromosome number would double in every generation.
- A cell division of a particular kind, called meiosis, is what keeps that from happening.
~50 min · full explanation, examples & memory tricks in the app
3
Pollination Strategies, Fertilisation and Seed Formation
Pollen must get from anther to stigma, and nature hires wind, water, insects and birds to carry it. Once it lands, a tube grows down the style, the gametes fuse, and the ovary becomes a fruit with the ovules as seeds ins…
- Carrying pollen across to the receptive tip of a pistil is what pollination amounts to.
- Where the pollen is transferred to the stigma of the same flower, or of another flower on the same plant, it is called self-pollination.
- Where pollen is transferred from the anther of a flower on one plant to the stigma of a flower on another plant of the same type, it is call…
~45 min · full explanation, examples & memory tricks in the app
4
Reproduction in Animals and the Human Reproductive System
Every animal faces the same two problems: getting the gametes to meet, and keeping the young alive long enough to grow. Fertilisation inside or outside the body is one answer; thousands of eggs or a careful few is anothe…
- Reproduction in animals takes place through asexual methods, sexual methods, or both.
- In many aquatic animals that reproduce sexually, such as frogs and most fish, fertilisation happens outside the body.
- Eggs go into the water from the female and sperm goes in over them from the male; that arrangement is external fertilisation.
~45 min · full explanation, examples & memory tricks in the app
5
Fertilisation, the Menstrual Cycle, Pregnancy and Reproductive Health
One egg a month, a lining built in readiness, and a fortnight before the news comes. Whether or not a sperm arrives decides everything that follows — a pregnancy of nine months, or a lining shed and the whole cycle begun…
- A girl is born with millions of immature eggs already lying in her ovaries.
- From puberty onward, one of the two ovaries usually lets a single ripe egg go each month, and this release is what ovulation means.
- Ahead of that release the uterus has already begun getting ready, its inner lining growing thick.
~50 min · full explanation, examples & memory tricks in the app
❓ Leveled MCQ practice
Try the smart MCQs from this kit
260 questions laddered from warm-up to topper-level, each with an explanation. A taste:
Asexual reproduction is seen in:
Beginner
A bacteria and amoeba alone, and in nothing else
B flowering plants alone, and in no animal at all
C only in organisms that have more than one cell
D bacteria, amoeba, yeast, hydra, sponges and many plants
Show answer & explanation
bacteria, amoeba, yeast, hydra, sponges and many plants
It spans unicellular and simple multicellular organisms alike.
Which plants sprout new plants from fleshy underground stems?
Intermediate
A Potato and ginger, without producing any seeds
B Money plant and sugarcane, from their stem cuttings
C Bryophyllum, from plantlets along its leaves
D Lemon, from a twig buried in the soil
Show answer & explanation
Potato and ginger, without producing any seeds
The others propagate by other parts.
Bryophyllum reproduces vegetatively from its:
Intermediate
A leaves
B underground stems
C roots
D flowers
Show answer & explanation
leaves
Tiny plantlets sprout and grow into new plants.
Vegetative propagation means that new plants arise from:
Beginner
A seeds produced inside the flowers of a plant
B the vegetative parts, that is the growing parts of a plant
C spores released into the air by a plant
D two parent plants combining their characteristics
Show answer & explanation
the vegetative parts, that is the growing parts of a plant
No seed is involved in it at all.
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