171. Mesarch xylem occurs in

A Monocots
B Dicots
C Ferns
D Bryophytes
Answer :   Ferns
Discuss Question

172. Lenticels and its complementary cells are developed through the activity of

A Phelogen
B StelarCambium
C Dermatogen
D Intercalary meristem
Answer :   Phelogen
Discuss Question

173. The best method of determine the age of tree is to

A Measure its diameter
B Count the number of leaves
C Count the number of annual rings at the base of main stem
D Find out the number of branches
Answer :   Count the number of annual rings at the base of main stem
Discuss Question

174. A bundle having phloem on either side of xylem is

A Bicollateral
B Collateral
C Radial
D Concentric
Answer :   Bicollateral
Discuss Question

175. Annula rings are well demarcated in trees growing in

A Simla
B Bombay/Delhi
C Madras
D Udaipur
Answer :   Simla
Discuss Question

176. Which of the following is a primary meristem

A Intra fascicular cambium
B Cork cambium
C Vascular cambium in roots
D None of the above
Answer :   Intra fascicular cambium
Discuss Question

177. Sieve tube is component of

A Xylem
B Cortex
C Phloem
D Both xylem and phloem
Answer :   Phloem
Discuss Question

178. Mechanical tissue consists of living cells is

A Sclerenchyma
B Collenchyma
C Chlorenchyma
D Parenchyma
Answer :   Collenchyma
Discuss Question

179. Companion cells are associated with

A Tracheids of Angiosperms
B Vessels of Angiosperms
C Trachieds of Gymnosperms
D Sieve tubes of Angiosperms
Answer :   Sieve tubes of Angiosperms
Discuss Question

180. The transverse section of a plant shows following anatomical features:
(i) Large number of scattered vascular bundles surrounded by bundle sheath
(ii) Large conspicuous parenchymatous ground tissue
(iii) Vascular bundles conjoint and closed
(iv) Phloem parenchyma absent Identify the category of plant and its part:

A Monocotyledonous root
B Dicotyledonous stem
C Dicotyledonous root
D Monocotyledonous stem
Answer :   Monocotyledonous stem
Discuss Question


Practice More MCQ Question on Biology Section