Advertisements
Advertisements
प्रश्न
Explain the importance of the reproduction process.
उत्तर
Importance of reproduction:
- It helps in the process of evolution.
- It also helps in existence/survival of a species of an organism.
APPEARS IN
संबंधित प्रश्न
Name the part of Bryophyllum where the buds are produced for vegetative propagation.
Write two differences between binary fission and multiple fission in a tabular form.
List four modes of asexual reproduction.
Name the asexual method of reproduction in yeast.
Name the asexual method of reproduction in Plasmodium.
Which artificial propagation method is used for the production of jasmine plants?
Name the natural method by which strawberry plants are propagated.
Name any two plants which are propagated by cuttings method.
What is meant by regeneration? Name two animals which can regenerate fully from their cut body parts.
Name one organism which reproduces by binary fission and another which reproduces by multiple fission.
State whether the above named organisms are animals or plants.
Why does bread mould grow profusely on a moist slice of bread but not on a dry slice of bread?
what is the name of the process by which Amoeba reproduces?
Describe the grafting method for the artificial propagation of plants with the help of labelled diagrams.
State two advantages of grafting method of artificial propagation of plants.
What care should be taken while making a cutting from a plant?
The two types of organisms which produce colonies by the process of budding are :
(a)Hydra and Corals
(b) Yeast and Sponges
(c) Corals and Sponges
(d) Hydra and Yeast
Fill in the following blank with suitable word :
Fusion of gametes gives rise to a single cell called ............
Multiple choice question. Tick (✓) the correct choice:
The common method of reproduction in bacteria is
- budding
- fragmentation
- binary fission
- all the above
Fill in the blank:
The amount of cytoplasm in the parent cell is _____ than the amount in the bud.
Define the following:
Grafting
Mention the common method of reproduction in Mango.
Mention the common method of reproduction in Bougainvillea.
Describe the various methods of vegetative reproduction.
What is regeneration in organism?
Pranav and Preeti are twins in your class. They belong to ___________ twins type.
Draw a labelled diagram in proper sequence to show budding in hydra.
Write various advantages of vegetative propagation.
What is protandry?
Asexual reproduction occurs by __________ cell division.
Distinguish between the following.
Binary fission and Multiple fission
In Spirogyra, asexual reproduction takes place by ______
Which of the following statements are true for flowers?
- Flowers are always bisexual
- They are the sexual reproductive organs
- They are produced in all groups of plants
- After fertilisation they give rise to fruits
When you keep food items like bread and fruits outside for a long time, especially during the rainy season, you will observe a cottony growth on them.
How does the growth take place?
Rajesh observed a patch of greenish black powdery mass on a stale piece of bread.
Name its vegetative and reproductive parts.
When one of the following is correctly matched?
Plants like (vlmus), Dandelion (Taraxacum) and members of Rose family vegetative reproduce by ______.
What do the following parts of a flower develop into after fertilisation?
| a. | Ovary | ______ |
| b. | Ovules | ______ |
Explain with the help of a labelled diagram, the process of reproduction in Hydra by budding. Name the cells used for reproduction in this process.
