Of the following, which one causes higher production of food in green plants??
A. Blue
B. Orange
C. Red
D. Violet
Category: Biology Mcqs
Rapid movement of leaves of mimosa on touching is an example of _____________??
A. Turgor movement
B. Nastic movement
C. Tropic movements.
D. Growth movement
Root like structure in saprotrophic fungi are called_______________??
A. Rhizodis
B. Haustoria
C. Hyphae
D. Constricting rings
Epinasty is controlled by_____________??
A. Gibberellins
B. Abscisins
C. Auxins
D. Cytokinins
According to cohesion-tension theory, tension is created by__________________??
A. Hydrogen bonding
B. Transpiration
C. Adhesion
D. Root prerssure
Following possess bilateral symmetry as larva and radial symmetry as adult:?
A. Chordata
B. Hydra
C. Echinodermata
D. Hemichordata
Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap?
A. Increases.
B. Lowers.
C. Doesn’t effect.
D. Maintains.
Puccinia commonly destroys______________??
A. Corn
B. Tomato
C. Dodder
D. Wheat
Protein coasts of viruses are synthesized in____________??
A. Lytic cycle
B. Lysogenic cycle
C. Both a
An insulin molecule consists of _________ polypeptide chains??
A. 1
B. 2
C. 3
D. 4
