Advertisements
Advertisements
प्रश्न
Pick the odd one out from the following on the basis of the mode of reproduction and give a reason for it.
Sugarcane, Potato, Rice, Rose
उत्तर
Rice is the odd one out as it reproduces by means of seeds. Sugarcane, potato and rose can reproduce vegetatively by means of their stems.
APPEARS IN
संबंधित प्रश्न
Students were asked to observe the permanent slides showing different stages of budding in yeast under high power of a microscope.
(A) Which adjustment screw (coarse/fine) were you asked to move to focus the slides?
(B) Draw three diagrams in correct sequence showing budding in yeast.
Why does bread mould grow profusely on a moist slice of bread but not on a dry slice of bread?
Spore formation is the most common asexual method of reproduction in :
(a) protozoa
(b) tubers
(c) fungi
(d) algae
There are four tiny organisms A, B, C and D. The organism A is a parasitic protozoan which causes a disease known as kala-azar. The organism B is a microscopic single-celled animal which causes malaria disease in human beings. The organism C is a unicellular animal which can change its body shape according to need, it has no fixed shape. The organism D is also a unicellular animal which is slipper-shaped having a large number of tiny hair all around its body.
(a) Name the organisms A, B, C and D
(b) Name one characteristic body feature of organism A.
(c) Name the insect which carries organism B and transmits it from one person to another.
(d) What name is given to the asexual method of reproduction of (i) organism A, and (ii) organism B?
(e) Where do organisms C and D live?
With the help of suitable diagram, describe Binary fission in plants.
Why is vegetative propagation practiced for growing some types of plant? List two plants which are grown by this method.
List in tabular form two differences between binary fission and multiple fission.
Which of the following statements is/are true for sexual reproduction in plants?
(i) Plants are obtained from seeds.
(ii) Two plants are always essential.
(iii) Fertilisation can occur only after pollination.
(iv) Only insects are agents of pollination.
Choose from the options given below.
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?
Plants like (vlmus), Dandelion (Taraxacum) and members of Rose family vegetative reproduce by ______.
