During anaerobic conditions, the rate of glycolysis increases, is called

• compensation point

• extinction point

• Warburg effect

• Pasteur effect

Micro-nutrients are

• less important in nutrition than macronutrients

• as important in nutrition as macro-nutrients

• may be omitted from culture media without any detrimental effect on the plant

• called micro because they play only minor role in nutrition

Hydroponics is a

• soilless culture

• airless culture

• waterless culture

• none of these

Carrier of fluorosis is

• CO₂

• chlorine

• nitrogen

• water

Non-genetic RNA is of

• two types

• three types

• only one type

• none of these

46.

A nucleotide is a molecule consisting of a

•  hexose sugar, phosphorus and albumen

• phosphorus, iron and calcium

• phosphate, 5-carbon sugar and nitrogen base

• RNA and glucose

Quiescent centre is the zone of

• least mitotic activity in the root apex

• least mitotic activity in the shoot apex

• maximum mitotic activity in the root apex

• maximum mitotic activity in the shoot apex

Lathyrism is caused by

• dal

• moth dal

• khesari dal

• Glycine

Pigment anthocyanin is located in

• chloroplast

• chromoplast

• cytoplasm

• vacuole

Cell theory was propounded in 1838-39 by

• Schleiden

• Schwann

• Schleiden and Schwann

• Virchow