Advertisements
Advertisements
Question
What is protandry?
Solution
Protandry is a condition in which anthers mature first, but the stigma of the same flower is not receptive at that time.
APPEARS IN
RELATED QUESTIONS
Describe the cuttings method for the artificial propagation of plants. Illustrate your answer with the help of labelled diagrams.
One of the following organisms does not reproduce by fission. This is :
(a) Amoeba
(b) Leishmania
(c) Planaria
(d) Plasmodium
In Spirogyra, asexual reproduction takes place by :
(a) division of a cell into two cells
(b) breaking up of filaments into smaller bits
(c) division of a cell into many cells
(d) formation of a large number of buds
APlanaria worm is cut horizontally in the middle into two halves P and Q such that the part P contains the whole head of the worm. Another Planaria worm is cut vertically into two halves R and s in such a way that both the cut pieces R and S contain half head each. Which of the cut pieces of the twoPlanaria worms could regenerate to form the complete respective worms?
(a) only P
(b) only R and S
(c) P, R and S
(d) P, Q, R and S
Fill in the following blank with suitable word :
Fusion of gametes gives rise to a single cell called ............
Write a short note on Grafting.
Mention the common method of reproduction in Gladiolus.
Find an odd one out.
In Spirogyra, asexual reproduction takes place by
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.
