201. Meristematic tissue responsible for increase in girth of tree trunk is

A Apical meristem
B Intercalary meristem
C Lateral meristem
D Phellogen
Answer :   Lateral meristem
Discuss Question

202. Innermost layer of cortex is

A Endodermis
B Epidermis
C Exodermis
D Hypodermis
Answer :   Endodermis
Discuss Question

203. Meristematic tissue are

A Premature having ability of division
B Mature does not have ability of division
C Premature not having ability of division
D Complex differentiating in xylem, phloem and cambium
Answer :   Premature having ability of division
Discuss Question

204. A timber merchant told his customer that log of wood which he was purchasing comes from a 20 years old tree, he told so by inspecting the

A Diameter of log
B Thickness of the heart wood
C Number of cork layers
D Growth rings
Answer :   Growth rings
Discuss Question

205. Exarch and polyarch condition found in

A Monocot stem
B Dicot stem
C Monocot root
D Dicot root
Answer :   Monocot root
Discuss Question

206. Plastochron is

A Period between initiation of two successive leaf primordia
B Distance between two successive leaf primordia
C Region of origin of root branch
D Region of origin of stem branch
Answer :   Period between initiation of two successive leaf primordia
Discuss Question

207. A component of xylem is

A Sieve tube
B Medullary rays
C Sclereid
D Tracheid
Answer :   Tracheid
Discuss Question

208. The meristem, which develops primary vascular tissue is

A Protonema
B Promeristem
C Ground meristem
D Procambium
Answer :   Procambium
Discuss Question

209. Which tissue remains more active during autumn

A Vascular cambium
B Cork cambium
C Parenchyma
D Scelernchyma
Answer :   Cork cambium
Discuss Question

210. Vessels are founding

A All Angiosperms and some gymnosperm
B Most of the Angiosperms and few gymnosperms
C All Angiosperms, all gymnosperms and some pteridophyta
D All pteriodophyta
Answer :   Most of the Angiosperms and few gymnosperms
Discuss Question


Practice More MCQ Question on Biology Section