• CBSE/
• AIPMT 2014/
• AIPMT Solved Paper 2011/
• Biology

Biology 2011

  

Q. 23. Which one of the following is wrongly matched?

1. Cassia – Imbricate aestivation
2. Root pressure – Guttation
3. Puccinia – Smut
4. Root – Exarch protoxylem

Sol:

Puccinia — rust fungi.

Answer: (3)

 

Q 24.  Flowers are Zygomorphic in

1. Datura  
2. Mustard
3. Gulmohur
4. Tomato

Sol:

Datura, mustard and tomato have actinomorphic flowers.

Answer: (3)

 

Q. 25. CAM helps the plants in

1. Reproduction
2. Conserving water
3. Secondary growth  
4. Disease resistance

Sol:

These are succulent plants with water storing cells.

Answer: (2)

 

Q. 26.   Of the total incident solar radiation the proportion of PAR is

1. More than 80%
2. About 70%
3. About 60%     
4. Less than 50%

Sol:

Plants capture 2-10% of PAR.

Answer: (4)

 

Q. 27.   A prokaryotic autotrophic nitrogen fixing symbiont found in

1. Pisum
2. Alnus
3. Cycas
4. Cicer

Sol:

Anabaena cycadae is a BGA found in coralloid roots of Cycas

Answer: (3)

 

Q. 28.  Nucellar polyembryony is reported in species of

1. Brassica
2. Citrus
3. Gossypium
4. Triticum

Sol:

Nucellus polyembryony is common in Citrus,mango and Opuntia.

Answer: (2)