1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Length of one loop of B- DNA :
A
20 nm.
B
10 nm.
C
3.4 nm.
D
0.34 nm.
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which of the following is used to manufacture ethanol from starch ?
A
Saccharomyces
B
Lactobacillus
C
Azotobactor
D
Penicilline
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which aquatic fern is used to increase the yield in paddy crop ?
A
Salvinia
B
Isoetes
C
Marsilea
D
Azolla
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Saline solution is given to patients of Cholera because
A
NaCl produces energy
B
Na+ prevents water loss from body
C
NaCl is antibacterial
D
NaCl function as regulatory material