Advertisements
Advertisements
Question
Why does bread mould grow profusely on a moist slice of bread but not on a dry slice of bread?
Solution
A moist slice of a bread provides all the favourable conditions needed by the spores of the bread mould to germinate. This is the reason why bread mould cannot grow profusely on a dry slice of a bread.
APPEARS IN
RELATED QUESTIONS
Name one unicellular organism which reproduces by the same asexual process as Hydra.
What care should be taken while making a cutting from a plant?
A simple multicellular animal having tentacles which lives in freshwater usually reproduces by the asexual process of :
(a) binary fission
(b) spore formation
(c) budding
(d) fragmentation
One of the following organisms does not reproduce by fission. This is :
(a) Amoeba
(b) Leishmania
(c) Planaria
(d) Plasmodium
Write a short note on Micro propagation.
A student after observing a slide showing different stages of binary fission in Amoeba draws the following diagrams. However these diagrams are not in proper sequence:
The correct sequence is:
(A) I, V, IV, III, II
(B) I, III, IV, V, II
(C) I, V, III, IV, II
(D) I, IV, V, III, II
What is regeneration in organism?
Fill in the blanks and rewrite the completed statements:
___________ acid inhibits growth leading to wilting of leaves.
Distinguish between the following.
Binary fission and Multiple fission
In the figure given below the plant bears two different types of flowers marked ‘A’ and ‘B’. Identify the types of flowers and state the type of pollination that will occur in them.