1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Palisade parenchyma is absent in leaves of -
A
Mustard
B
Sorghum
C
Soybean
D
Gram
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of :
A
Xerophytes
B
Epiphytes
C
Hydrophytes
D
Mesophytes
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which one of the following types organisms occupy more than one trophic level in a pond ecosystem ?
A
Phytoplankton
B
Zooplankton
C
Frog
D
Fish
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
A country with a high rate of population growth took measures to reduce it. The figure below shows age-sex pyramids of populations A and B twenty years apart. Select the correct interpretation about them : –
AIPMT 2009 Biology - Organisms and Populations Question 57 English
A
"A" is more recent shows slight reduction in the growth rate
B
"B" is more recent showing that population is very young
C
"A" is the earlier pyramid and no change has occurred in the growth rate
D
"B" is earlier pyramid and shows stabilized growth rate