CBSE AIPMT 2011 Mains Exam Solved Paper and Answer Key

CBSE AIPMT 2011 Mains Exam Solved Paper and Answer Key

1. The cells lining the blood vessels belong to the category of
(1) Columnar epithelium
(2) Connective tissue
(3) Smooth muscle tissue
(4) Squamous epithelium
Ans. (4)2. Consider the following statements (A-D) about organic farming
A. Utilizes genetically modified crops like Bt cotton
B. Uses only naturally produced inputs like compost
C. Does not use pesticides and urea
D. Produces vegetables rich in vitamins and minerals Which of the above statements are correct?
(1) (B) and (C) only (2) (A) and (B) only
(3) (B), (C) and (D) (4) (C) and (D) only
Ans. (1)
3. Select the correct statement with respect to diseases and immunisation
(1) Certain protozoans have been used to mass produce hepatitis B vaccine
(2) Injection of snake antivenom against snake bite is an example of active immunisation
(3) If due to some reason B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen
(4) Injection of dead / inactivated pathogens causes passive immunity
Ans. (3)

4. Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
(1) Megaspores possess endosperm and embryo surrounded by seed coat
(2) Embryo develops in female gametophyte which is retained on parent sporophyte
(3) Female gametophyte is free and gets dispersed like seeds
(4) Female gametophyte lacks archegonia
Ans (2)