Info

Question 1

Meristem in grasses that regenerates lost parts

Answer 1

Intercalary meristem

Question 2

Gymnosperms lack

Answer 2

Vessels

Question 3

Presence of vessels is characteristic of

Answer 3

Angiosperms

Question 4

Stem has___________

Root has_____________

Answer 4

1) endarch (protoxylem in centre)

2) exarch(protoxylem at periphery)

Question 5

Gymnosperms have albuminous cells and sieve cells along with sieve tubes and companion cells.
True or false?

Answer 5

False

Gymnosperms lack sieve tubes and companion cells

Question 6

Which tissue of cells is absent in monocots

Answer 6

Phloem parenchyma

Question 7

Trichomes________

Root hairs__________

Answer 7

1) multicellular

2) unicellular

Question 8

Root: radial

Conjoint : ?

Answer 8

Stem and leaves

Question 9

Initiation of lateral roots and vascular cambium during the secondary growth takes place from

Answer 9

Pericycle

Question 10

Stele constitutes

Answer 10

Pericycle, vascular bundles, and pith.

Question 11

Dicot root : 2-4 xylem and phloem patches

Monocot root: ?

Answer 11

polyarch (>6)

Question 12

Hypodermis of dicot : collenchyma

Hypodermis of monocots: ?

Answer 12

sclerenchyma

Question 13

Which part of the stem will give blue colour with iodine

Answer 13

Endodermis( also known as starch sheath)

Question 14

Certain adaxial epidermal cells in grasses which are empty and colour less are

Answer 14

Bulliform cells

Question 15

First _______ forms and then ________

Cambium

Answer 15

Intrafasciscular

Interfascicular

Question 16

Periderm constitutes

Answer 16

Phellem(cork)
Phellogen( cork cambium)
Phelloderm ( secondary cortex)

Question 17

Dicot root has completely primary vascular cambium

True or false

Answer 17

False

It has completely secondary cambium