Q1. Tissue which is responsible for the secondary growth-
(a) Xylem
(b) Phloem
(c) Cambium
(d) Cortex
Q2. Cork is obtained from-
(a) Xylem
(b) Phloem
(c) Cork cambium
(d) Vascular cambium
Q3. Food prepared by plant is transported to different part of plant through-
(a) Xylem
(b) Cortex
(c) Phloem
(d) Pith
Q4. Water and mineral in plant is transported through-
(a) Xylem
(b) Phloem
(c) Pith
(d) Cortex
Q5. Age of trees is estimated by-
(a) Its weight
(b) Its height
(c) By the number of annual ring
(d) By the length of its root
Q6. Aerenchyma tissues are found in-
(a) Mesophyte
(b) Perophytes
(c) Lithophytes
(d) Hydrophytes
Q7. Velamen tissue in orchids are found in-
(a) Shoot
(b) Root
(c) Leaf
(d) Flower
Q8. Trunk of tree increases in girth due to cell division in-
(a) Vascular tissue
(b) Meristematic tissue
(c) Cortex
(d) Pith
Q9. Transverse section of an old tree stems show fifty annual ring. The age of tree will be-
(a) 25 year
(b) 49 year
(c) 50 year
(d) 100 year
Q10. Hydrophytes float on the water surface due to presence of-
(a) Collenchyma
(b) Sclerenchyma
(c) Aerenchyma
(d) Mesenchyme
Solutions
S1. Ans.(c)
S2. Ans.(c)
S3. Ans.(c)
S4. Ans.(a)
S5. Ans.(c)
S6. Ans.(d)
S7. Ans.(b)
S8. Ans.(b)
S9. Ans.(c)
S10. Ans.(c)
