Question

Q.1
is the example of the genus solanum.
(a) Onion
(b) Potato
(c) Wheat
(d) Mango
Q.2 Write function of heterocyst.
Q.3 Write the name of smallest living cell which is devoid of cell wall.
Q.4 in which form food is stored in phaeophyceae ?
Q.5 Explain the term : - Peat​

Answer 1

Answer:

1.potato is the example of the genus solanum.

Q.2.The heterocyst functions as the sities for nitrogen fixation under aerobic conditions.

Answer 2

Explanation:

1. The potato is a root vegetable native to the Americas, a starchy tuber of the plant Solanum tuberosum, and the plant itself is a perennial in the nightshade family, Solanaceae.

2.A heterocyst is a differentiated cyanobacterial cell that carries out nitrogen fixation. The heterocysts function as the sites for nitrogen fixation under aerobic conditions. They are formed in response to a lack of fixed nitrogen (NH4 or NO3).

3.Mycoplasma is smallest living cell which lacks cell wall.

4.In Phaeophyceae, laminarin is the stored food and major pigments are chlorophyll a and b. C) In Rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll a, d and phycoerythrin.

5.Peat sometimes known as turf is an accumulation of partially decayed vegetation or organic matter. Peat forms in wetland conditions, where flooding or stagnant water obstructs the flow of oxygen from the atmosphere, slowing the rate of decomposition.