1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
An organism used as a Biofertilizer for raising soyabean crop is :
A
Azotobacter
B
Azospirillum
C
Nostoc
D
Rhizobium
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
When two unrelated individuals or lines are crossed, the per romance of F1 hybrid is often superior to both parents. This phenomenon is called :
A
Sphcing
B
Transformation
C
Heterosis
D
Metamorphosis
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for :
A
providing a secondary sexual feature for exhibiting the male sex
B
maintaining the scrotal temperature lower than the internal body temperature
C
escaping any possible compression by the visceral organs
D
providing more space for the growth of epididymis
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
What are those structures that appear as 'beads-on-string' in the chromosomes when viewed under electron microscope ?
A
Nucleosomes
B
Genes
C
Nucleotides
D
Base pairs