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