• Biology - Section 1
46. 

Plant have ____ while animals lack it.

A. starch
B. cellulose
C. protein
D. fat

47. 

Radical vascular bundles are those in which

A. xylem is surrounded by phloem
B. phloem is surrounded by xylem
C. xylem and phloem occur on the same radius
D. xylem and phloem occur on the different radii

48. 

Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

A. Exact concentration of solution is not given
B. Character of semi permeable membrane is not given
C. The flow of solution is not possible through semi permeable membrane
D. All are incorrect

49. 

On which of the following plants did Gregor Mendal perform his classical experiment?

A. Gram
B. Maize
C. Pea
D. Wheat

50. 

Photosynthesis is a process

A. reductive and exergonic
B. reductive and catabolic
C. reductive, endergonic and catabolic
D. reductive, endergonic and anabolic