Multiple Choice QuestionsEnzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these
enhance oxidative metabolism
are conjugated proteins
are exclusively synthesized in the body of a living organism as at present
help in regulating metabolism
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
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
Carbohydrates, the most abundant biomolecules on earth, are produced by:
all bacteria, fungi and algae
fungi, algae and green plant cells
some bacteria, algae and green plant cells
viruses, fungi and bacteria
C.
some bacteria, algae and green plant cells
Some photosynthetic bacteria such as Rhodopseudomonas can prepare carbohydrates.
But during this type of food synthesis O2 is not evolved because in this case hydrogen donor is other than H2O.
Algae (green and blue green) and all green plant cells prepare their food (carbohydrate) through photosynthesis. Here, hydrogen ions are donated by water molecules by the process of photolysis of water i.e., O2 is released during this type of food synthesis.
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