AIPMT 2010 Solved Papers
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AIPMT 2010 Biology
Q. 84. Algae have cell wall made up of:
- Cellulose, galactans and mannans
- Hemicellulose, pectins and proteins
- Pectins, cellulose and proteins
- Cellulose, hemicellulose and pectins
Answer: (1)
Q. 85. Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups:
- Eubacteria and archaea
- Cyanobacteria and diatoms
- Protists and mosses
- Liverworts and yeasts
Answer: (1)
Q. 86.Genetic engineering has been successfully used for producing:
- transgenic mice for testing safety of polio vaccine before use in humans
- transgenic models for studying new treatments for certain cardiac diseases
- transgenic Cow − Rosie which produces high fat milk for making ghee
- animals like bulls for farm work as they have super power
Answer: (1)
Q. 87. Some of the characteristics of Bt cotton are:
- Long fibre and resistance to aphids
- Medium yield, long fibre and resistance to beetle pests
- High yield and production of toxic protein crystals which kill dipteran pests
- High yield and resistance to bollworms
Answer: (4)
Q. 88. Heartwood differs from sapwood in:
- Presence of rays and fibres
- Absence of vessels and parenchyma
- Having dead and non-conducting elements
- Being susceptible to pests and pathogens
Answer: (3)