Advertisements
Advertisements
Question
In the diagram of a bisexual flower given in Figure 12.5, draw the missing part and label the parts marked (a), (b) and (c). Also, label the missing part that you draw
Solution
The labelled diagram of a bisexual flower along with missing parts (style and stigma) as well as unlabelled part (ovary) is as follows:
APPEARS IN
RELATED QUESTIONS
List any two modes of asexual reproduction in animals.Under which mode of reproduction is vegetative propagation placed and why?
Name the process by which an Amoeba reproduces. Draw the various stages of its reproduction in a proper sequence.
Name a tiny fresh-water animal which reproduces by the same method as that of yeast? What is this method known as?
A worm X found in freshwater and slow-moving streams has been accidently cut into three pieces. It was observed that in due course of time, each cut piece of the worm develops to become a complete worm by growing all the missing parts.
(a) Name the worm X which can exhibit this phenomenon of making complete worm from its cut body parts.
(b) Name another organism Y which possesses the same characteristic of growing fully from its cut body parts.
(c) What is the name of this process in which a complete organism is formed from its cut body part.
(d) State whether X and Y are unicellular and/or multicellular organisms.
(e) Can a dog be produced completely form its cut body part (say, a cut tail) just like organisms X and Y? Why?
Fill in the blank:
The amount of cytoplasm in the parent cell is _____ than the amount in the bud.
Explain the process of budding in Hydra.
A student was given two permanent slides, one of binary fission in Amoeba and other of budding in yeast. He was asked to identify any one difference in the nucleus of the two. One such difference, he identified correctly was
(1) Presence of one nucleus in Amoeba, two in yeast cell and one in bud.
(2) Presence of two nuclei in centrally constricted Amoeba, one in yeast cell and one in its bud.
(3) Presence of two distant nuclei in Amoeba, one in yeast cell and two in bud.
(4) Presence of a single nucleus each in Amoeba, yeast cell and its attached bud.
How is micropropagation carried out?
Porogamy refers to entry of pollen tube through ____________.
Hydra usually reproduces by ______