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

Biology 2011

  

Q. 17.   Which one of the following elements in plants is not remobilised?

1. Sulphur    
2. Phosphorus
3. Calcium
4. Potassium

Sol:

Calcium is not remobilised, as it is a structural component in cell.

Answer: (3)

 

Q. 18. A drupe develops in

1. Tomato
2. Mango
3. Wheat
4. Pea

Sol:

Tomato — Berry, Wheat — Caryopsis, Pea — Legume

Answer: (2)

 

Q. 19. Ground tissue includes

1. All tissues internal to endodermis
2. All tissues external to endodermis
3. All tissues except epidermis and vascular bundles
4. Epidermis and cortex

Sol:

Ground tissue system includes — cortex, endoderm, pericycle and pith.

Answer: (3)

 

Q. 20 . In land plants the guard cells differ from other epidermal cells in having  

1. Chloroplasts
2. Cytoskeleton
3. Mitochondria
4. Endoplasmic reticulum

Sol:

Guard cells are specialised chlorophyllous epidermal cells.

Answer: (1)

 

Q. 21.   The ovary is half inferior in flowers of

1. Guava
2. Peach
3. Cucumber
4. Cotton

Sol:

Ovary is half inferior in perigynous flowers.

Answer: (2)

 

Q. 22. The cork cambium, cork and secondary cortex are collectively called

1. Phellem
2. Phelloderm
3. Phellogen
4. Periderm

Sol:

Phellem, phellogen and phelloderm are collectively called periderm.

Answer: (4)