• CBSE/
• AIPMT 2014/
• AIPMT Solved Paper 2010/
• AIPMT 2010 Biology

AIPMT 2010 Biology

  

Q. 52.    Select the correct statement from the ones given below with respect to dihybrid cross.

1. Tightly linked genes on the same chromosome show higher recombinations
2. Genes far apart on the same chromosome show very few recombinations
3. Genes loosely linked on the same chromosome show similar recombinations as the tightly linked ones
4. Tightly linked genes on the same chromosome show very few recombinations.

Answer: (4)

Q. 53. Which one of the following statements in regard to the excretion by the human kidneys is correct?

1. Descending limb of Loop of Henle is impermeable to water
2. Distal convoluted tubule is incapable of reabsorbing HCO₃
3. Nearly 99 per cent of the glomerular filtrate is reabsorbed by the renal
   tubules
4. Ascending limb of Loop of Henle is impermeable to electrolytes

Answer: (3)

Q. 54.    The biomass available for consumption by the herbivores and the decomposers is called :

1. Net primary productivity
2. Secondary productivity
3. Standing crop
4. Gross primary productivity

Answer: (1)

Q. 55.    If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

1. The flow of blood into the aorta will be slowed down
2. The ' pacemaker ' will stop working
3. The blood will tend to flow back into the left atrium
4. The flow of blood into the pulmonary artery will be reduced

Answer: (4)

Q. 56.    Ovary is half-inferior in the flowers of :

1. Guava
2. Plum
3. Brinjal
4. Cucumber

Answer: (2)

Q. 57. Which one of the following is used as vector for cloning genes into higher organisms ?

1. Baculovirus
2. Salmonella typhimurium
3. Rhizopus nigricans
4. Retrovirus

Answer: (4)