CBSE
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
Which is called soluble RNA
r-RNA
t-RNA
m-RNA
hn-RNA
In DNA, which is absent
Adenine
Thymine
Guanine
Uracil
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
Non-protein part of enzyme is known as
holoenzyme
apoenzyme
prothetic group
none of these
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
Non-genetic RNA is of
two types
three types
only one type
none of these
Which one is antioxidant vitamin?
Vitamin- D
Vitamin- E
Vitamin- B
Vitamin- K
Enzymes, 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
Carrier of fluorosis is
CO2
chlorine
nitrogen
water