Botany

Spirogyra is a freshwater green alga belonging to the order Charophyta. Spirogyra is a filamentous green alga also known as water silk.  Spirogyra reproduces by […]

The quiescent center is present at the root tip (root apex) of a vascular plant. The quiescent is a region of apical meristem in the […]

The photoperiodic response to the red (~700 nm λ) and far-red (700-750 nm λ) wavelength of light is mediated by the phytochromes. Phytochromes are a […]

Fern is a noflowering vascular plants. Fern possess vascular tissue such as xylem and phloem. As they are nonflowring plants they do not produce seed […]

Elongation in the stem of grasses (monocots) after initial growth is due to the intercalary meristem. Meristems are tissues found in plants that consist of […]

Vascular tissues are the main conducting tissue primaryly composed of the xylem and phloem.  German botanist Johannes Hanstein (1822 – 1880) proposed the Histogen theory in 1868. The Histogen theory postulated that the shoot […]

The auxanometer is an instrument used for the measurement increase of growth (length) of plants. The term derived from the words auxain means “to grow” and metron means […]

The membrane that surrounds a vacuole of a plant cell is known as tonoplast. The tonoplast separates the contents of the vacuole from the cytoplasm […]

The fleshy edible part of the apple fruit is the thalamus. Apple (Malus domestic) fruit is a pome or false fruit. The outer fleshy edible […]

Palisade cells are vertically elongated mesophyll cells present beneath the upper epidermis and cuticle in the leaves of the plant (adaxial side of leaves). Palisade […]