1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following cannot be explained on the basis of Mendel's Law of Dominance?
A
Out of one pair of factors one is dominant, and the other recessive
B
Alleles do not show any blending and both the characters recover as such in F2 generation
C
The discrete unit controlling a particular character is called a factor
D
Factors occur in pairs
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct?
A
Penguin is homoiothermic while the remaining three are poikilothermic.
B
Leech is a fresh water form while all others are marine.
C
Spongilla has special collared cells called choanocytes, not found in the remaining three. All arebilaterally symmetrical.
D
All are bilaterally symmetrical.
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Membrane-bound organelles are absent in
A
Saccharomyces
B
Streptococcus
C
Chlamydomonas
D
Plasmodium.
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
One of the free-living, anaerobic nitrogen-fixer is
A
Beijernickia
B
Rhodospirillum
C
Rhizobium
D
Azotobacter.