2014 AIPMT Biology Questions and Answers (11-20)

11. Tracheids differ from other tracheary elements in :
a) Having casparian strips
b) Being imperforate
c) Lacking nucleus
d) Being lignified
 
12. An example of edible underground stem is
a) Carrot
b) Groundnut
c) Sweet potato
d) Potato
 
13. Which structures perform the function of mitochondria in bacteria?
a) Nucleoid
b) Ribosomes
c) Cell wall
d) Mesosomes
 
14. The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as
a) Microtubules
b) Microfilaments
c) Intermediate filaments
d) Lamins
 
15. The osmotic expansion of a cell kept in water is chiefly regulated by
a) Mitochondria
b) Vacuoles
c) Plastids
d) Ribosomes

16. If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?                                          
                              Plant –> Mice –> Snake ->Peacock
a) 0.02 J
b) 0.002 J
c) 0.2 J
d) 0.0002 J

17. A scrubber in the exhaust of a chemical industrial plant removes 
a) Gases like sulphur dioxide
b) Particulate matter of the size 5 micrometer or above
c) Gases like ozone and methane
d) Particulate matter of the size 2.5 micrometer or less

18.  Given below is the representation of the extent of global diversity of invertebrates. What groups the four portions (A-D) represent respectively?










19. Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks


20. Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to a) Western Ghat
b) Meghalaya
c) Corbett National Park
d) Keolado National Park
Learn more: AIPMT Biology (2014)
Questions & Answers: 1-11 21-30 / 31-40 / 41-50 51-60 / 61-70 / 71-80 81-90
Answers
11. b) Being imperforate
12. d) Potato
13. d) Mesosomes
14. b) Microfilaments
15. b) Vacuoles
16. a) 0.02 J
17. a) Gases like sulphur dioxide
18. d) Insects- Molluscs –Crustceans-other animal groups
19.c) Detritus- Rock minerals- Producers-Litter fall
20. d) Keolado National Park
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