Biology

Simultaneous movement of two molecules across a membrane in the same direction

Simultaneous movement of two molecules across a membrane in the same direction is known as Options (a) antiport (b) symport…

Sella turcica is a

Sella turcica is a Options (a) Covering of kidney (b) Covering of testis (c) Depression in brain (d) Depression in…

Select one of the following pairs of important features distinguishing Gnetum

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms…

Secondary growth do not occur in

Secondary growth do not occur in Options (a) Riccia (b) Funaria (c) selaginella (d) none of these Correct Answer: none…

Scientist who gave concept of species and proposed classification of insects

Scientist who gave concept of species and proposed classification of insects, reptiles and quadrapods Options (a) carolus linnaeus (b) john…

Sap wood is otherwise called

Sap wood is otherwise called Options (a) Duramen (b) Alburnum (c) Pith (d) Medullary rays Correct Answer: AlburnumExplanation:Alburnum is an…

Root pressure is due to

Root pressure is due to Options (a) passive transport (b) gravitation (c) active transport (d) diffusion Correct Answer: active transportExplanation:As…

Role of peroxisomes in photorespiration is

Role of peroxisomes in photorespiration is Options (a) helps in the oxidation of glycolate (b) helps in the oxygenation of…

Robert Hooke used the term cell in the year

Robert Hooke used the term cell in the year Options (a) 1650 (b) 1665 (c) 1865 (d) 1960 Correct Answer:…

Ribosomes were discovered by

Ribosomes were discovered by Options (a) Golgi (b) Porter (c) De Robertis (d) Palade Correct Answer: PaladeExplanation:No explanation available. Be…