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• AIPMT 2010 Biology

AIPMT 2010 Biology

  

Q. 67.   The permissible use of the technique amniocentesis is for:

1. detecting sex of the unborn foetus
2. artificial insemination
3. transfer of embryo into the uterus of the surrogate mother
4. detecting any genetic abnormality

Answer: (4)

Q. 68.   One of the free-living, anaerobic nitrogen-fixer is:

1. Beijernickia
2. Rhodospirillum
3. Rhizobium
4. Azotobacter

Answer: (2)

Q. 69.   DNA or RNA segment tagged with a radioactive molecule is called:

1. Vector
2. Probe
3. Clone
4. Plasmid

 Answer: (2)

Q. 70.The signals for parturition originate from:

1. placenta only
2. placenta as well as fully developed foetus
3. oxytocin released from maternal pituitary
4. fully developed foetus only

Answer: (2)

Q. 71.The principal nitrogenous excretory compound in humans is synthesised:

1. in kidneys but eliminated mostly through liver
2. in kidneys as well as eliminated by kidneys
3. in liver and also eliminated by the same through bile
4. in the liver, but eliminated mostly through kidneys

Answer: (4)

Q. 72.Carrier ions like Na+ facilitate the absorption of substances like:

1. amino acids and glucose
2. glucose and fatty acids
3. fatty acids and glycerol
4. fructose and some amino acids

Answer: (1)

As amino acids and glucose absorption occurs through Co  transport.