During the G₁- phase of cell division

• RNA and proteins are synthesised

• DNA and proteins are synthesised

• cell prepares for M- phase

• cell undergoes duplication

The bioassay of auxin is

• avena curvature test

• callus formation

• culture of fungus

• seed dormancy

Clinging roots are found in

• orchids

• Trapa

• Podostemon

• screwpine

Water bloom is generally caused by

• green algae

• blue- green algae

• bacteria

• Hydrilla

The process which cannot take place in the absence of viruses is

• transformation

• conjugation

• translocation

• transduction

Molybdenum causes

• mottling

• wilting

• reclamation

• chlorosis

From which of the following plant is a medicine for respiratory disorders obtained?

• Ephedra

• Eucalyptus

• Cannabis

• Saccharum

Decarboxylation is involved in

• electron transport system

• glycolysis

• Kreb's cycle

• lactic acid fermentation

59.

Osmotic pressure of a solution is

• greater than pure solvent

• less than pure solvent

• equal to pure solvent

• less than or greater than pure solvent

In Whittaker's system of classification, prokaryotes belong to the kingdom

• Monera

• Protista

• Animalia

• Fungi