Identify the pair of heterosporous pteridophytes among the following:
LIST I Classes of world vegetation on the basis of temperature | LIST II Example | ||
---|---|---|---|
A | Megatherms | I | Alpine vegetation |
B | Mesotherms | II | tropical rain forest |
C | Microtherms | III | Coniferous forest |
D | Hekistotherms | IV | Tropical deciduous forest |
Column-I (Plant groups) | Column-II (Examples) | ||
1. | Bryophyta | p. | Pinus |
2. | Gymnosperm | q. | Adiantum |
3. | Algae | r. | Sphagnum |
4. | Pteridophyta | s. | Ectocarpus |
What does water loss in the form of a liquid called?
Let α,β be the roots of the equation, ax2+bx+c=0.a,b,c are real and sn=αn+βn and \(\begin{vmatrix}3 &1+s_1 &1+s_2\\1+s_1&1+s_2 &1+s_3\\1+s_2&1+s_3 &1+s_4\end{vmatrix}=\frac{k(a+b+c)^2}{a^4}\) then k=
The Plant Kingdom comprises all the plants that have some shared characteristics. These are bacteria (prokaryotes), photosynthetic plants, fungi, and several non-photosynthetic plants.
Read Also: Two Kingdom Classification
Read More: Classification of Plants