Advertisements
Advertisements
प्रश्न
Grafting is not possible in the monocots because they
विकल्प
have scattered vascular
have parallel venation
lack cambium
are herbaceous
उत्तर
lack cambium
APPEARS IN
संबंधित प्रश्न
Draw labelled diagrams to illustrate budding in Hydra.
How will an organism be benefited if it reproduces through spores?
Name one organism which reproduces by spore formation
Fill in the following blank with suitable word :
Rose plants and sugar cane crop are usually grown by the ........... method.
One of the following organisms does not reproduce by budding. This is :
(a) Sponge
(b) Yeast
(c) Hydra
(d) Planaria
Asexual reproduction through budding takes place in :
(i) Amoeba and Yeast
(ii) Yeast and Hydra
(iii) Hydra and Plasmodium
(iv) Corals and Sponges
(a) (i) and (ii)
(b) only (ii)
(c) (i) and (iii)
(d) (ii) and (iv)
The organisms which can reproduce by fragmentation are :
(a) Corals and Sponges
(b) Corals and Spirogyra
(c) sea anemone and Spirogyra
(d) Sponges and Sea anemones
When a moist slice of bread was kept aside for a few days then some organism grew on it to form a white cottony mass which later turned black. When this slice of bread was observed through a magnifying glass, then fine thread-like projections and thin stems having bulb-like structures at the top were seen.
(a) What is the common name and scientific name of the organism which grew on the moist slice of bread?
(b) How did this organism grow on the moist slice of bread automatically?
(c) What are the fine, thread-like projections on the surface of slice of bread known as?
(d) What name is given to the knob-like structures and what do they contain?
(e) What is the name of this method of reproduction?
(f) Name one unicellular organism which reproduces by this method.
(g) Name tow non-flowering plants which reproduce by this method.
A method in which roots are induced on the stem while it is still attached to the parent plant is called
Name the asexual reproductive structure of Chlamydomonas.
