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Botany

Differences between C3 and C4 cycles

January 27, 2020 Sushil Humagain 0

S.N. Calvin cycle (C3 cycle) Hatch and Slack cycle (C4 cycle) 1. The primary acceptor of CO2 is a 5-carbon compound, Ribulose-1, 5- biphosphate. The […]

Different types of roots and their modifications in plants

November 16, 2019 Sushil Humagain 0

When the primary root, which is a direct prolongation of the radicle, remains distinct throughout the life of the plant and gives off lateral branches, […]

A typical plant leaf (Different parts and types)

November 15, 2019 Sushil Humagain 0

The leaf is a flattened lateral out-growth of the stem/ branch and bears a bud in its axil. It is green in color due to […]

Trophic levels and Ecological Pyramids

May 20, 2019 Sushil Humagain 0

In an ecosystem, green plants act as producers and the food prepared by green plants is consumed by a series of consumers. In a food […]

Eutrophication: Causes, Effects and Controlling measures

November 24, 2018 Sushil Humagain 0

Eutrophication is derived from the Greek word ‘eutrophos’ that means well-nourished or enriched Eutrophication is the excessive presence of nutrients like nitrate and phosphate in […]

Placentation and its types in angiosperms

September 30, 2018 Sushil Humagain 0

Ovary is the most important part of the carpel as it contains ovules that develop into seeds after fertilization. The ovary may consist of different […]

Complex permanent tissues in plants (Structure, types and functions)

September 24, 2018 Sushil Humagain 0

A group of more than one type of cells having common origin and performing different but closely related functions as a unit is called complex […]

Differences between Active Transport and Passive Transport (Diffusion)

August 30, 2018 Sushil Humagain 0

S.N. Active Transport Passive Transport (Diffusion) 1. The materials move through a bio-membrane against the concentration gradient or electrochemical gradient. The materials move across a […]

Differences between primary and secondary cell wall in plants

August 16, 2018 Sushil Humagain 0

S.N. Primary cell wall Secondary cell wall 1. It is formed in a growing cell. It is formed in a mature cell. 2. It lies […]

A typical flower and its parts

July 7, 2018 Sushil Humagain 0

Flowering plants are kept in the group phanerogams. They are also known as spermatophytes as they produce seeds. In higher angiosperms, the flowers are produced […]

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