1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Why is vivipary an undesirable character for annual crop plants?
A
It reduces the vigour of the plant.
B
It adversely affects the fertility of the plant.
C
The seeds exhibit long dormancy.
D
The seeds cannot be stored under normal conditions for the next season.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Carbohydrates, the most abundant biomolescule on earth, are produced by
A
some bacteria, algae and green plant cells
B
fungi, algae and green plant cells
C
all bacteria, fungi and algae
D
viruses, fungi and bacteria.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by
A
base-sugar-phosphate
B
base-sugar-OH
C
(base-sugar-phosphate)
D
sugar-phosphate
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The catalytic efficiency of two different enzymes can be compared by the
A
formation of the product
B
pH of optimum value
C
Km value
D
molecular size of the enzyme.