Free Online Biology Entrance Exam Resources

AIPMT / Entrance Biology Previous Questions and Answers with explanations

11. Biological organisation starts with (AIPMT, 2007)
Levels of Organization
a) Atomic level
b) Submicroscopic molecular level
c) Cellular level
d) Organism level

12. Which one of the following is an amine hormone? (AIPMT, 2008)
a) Progesterone
b) Thyroxine
c) Oxypurin
d) Insulin

13. Select one of the following of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms (AIPMT, 2008)
a) Embryo development and apical meristem
b) Absence of resin duct and leaf venation
c) Presence of vessel elements and absence of archegonia
d) Perianth and two integuments

14. Thermococcus, Methanococcus and Methanobacterium exemplify (AIPMT, 2008) a) Bacteria that contain a cytoskeleton and ribosomes
b) Archaebacteria that contain protein homologous to eukaryotic core histones
c) Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
d) Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria

15. Which one of the following is heterosporous? (AIPMT, 2008) a) Equisetum
b) Dryopteris
c) Salvinia
d) Adiantum

16. In which one of the following male and female gametophytes do not have free living independent existence? (AIPMT, 2008)
a) Cedrus
b) Pteris
c) Funaria
d) Polytrichum

17. T.O. Diener discovered a (AIPMT, 2009)
a) free infectious DNA
b) infectious protein
c) bacteriophage
d) free infectious RNA

18. Monotreal Protocol aims at ? (AIPMT, 2009)
a) biodiversity conservation
b) control of water pollution
c) control of carbon dioxide emission
d) reduction of ozone depleting substances

19. Male and female gametophytes are independent and free living in ? (AIPMT, 2010)
a) mustard
b) castor
c) Pinus
d) sphagnum

20.Which one of the following is not used in organic farming ? (AIPMT, 2010)
a) Glomus
b) Oscillatoria
c) Snail
d) Earthworm
Learn more:

Answers with Explanations
11. b) Submicroscopic molecular level (Levels of Organisation)
12. b) Thyroxine
13. c) Presence of vessel elements and absence of archegonia
14. c) Archaebacteria that lack any histones resembling those found in eukaryotes but
whose DNA is negatively supercoiled. 
15. c) Salvinia
16. a) Cedrus
17.d) free infectious RNA (Viriod)
18. d) reduction of ozone depleting substances
19. d) sphagnum
20.c) Snail

0 comments:

Post a Comment

© Biology Entrance Exam, AllRightsReserved. ***Best viewed in Google Chrome and Mozilla firefox***

Maintained by BiologyEntranceExam.com