Differentiate between :
(i) Reparative and Restorative regeneration.
(ii) Capacitation and fertilization.
Give one difference between:
(i) Intraspecific struggle and Interspecific struggle.
(ii) Somatogenic variation and Blastogenic variation.
(i)
Intraspecific struggle |
Interspecific struggle |
It is the struggle between the members of the same species since their needs are precisely similar. Every one of them tries to take the most of the food. |
It is a struggle between the members of different species since living together. Every living form depends upon some other organism for its food. |
(ii)
Somogenic variation |
Blastogenic variation |
Are changes acquired in the life time of an individual due to environment. |
Are changes due to modification in germ cells. |
Not inherited |
Heridited |
(a) Give the anatomical differences between a dicot leaf and a monocot leaf.
(b) Enlist the functions of mineral elements in the life of a plant. What do you mean by essentiality of an element ?
(c) Write the differences between nastic and tropic responses.