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• AIPMT 2010 Biology

AIPMT 2010 Biology

  

Q. 73. Which one of the following symbols and its representation, used in human pedigree analysis is correct?

1. 
2. 
3. 
4. 
   

Answer: (1)

Q. 74.   Toxic agents present in food which interfere with thyroxine synthesis lead to the development of:

1. toxic goitre
2. cretinism
3. simple goitre
4. thyrotoxicosis

Answer: (3)

Q. 75.Which one of the following statements about all the four of Spongilla, Leech,
Dolphin and Penguin is correct?

1. Penguin is homiothermic while the remaining three are poikilothermic
2. Leech is a fresh water form while all others are marine
3. Spongilla has special collared cells called choanocytes, not found in the
   remaining three
4. All are bilaterally symmetrical

Answer: (3)

Q. 76.   The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?

1. Fourth month
2. Fifth month
3. Sixth month
4. Third month

Answer: (2)

Q. 77. Which one of the following kinds of animals are triploblastic?

1. Flat worms
2. Sponges
3. Ctenophores
4. Corals

Answer: (1)