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11th Biology Monthly Test - 1 ( Bio - Botany - Secondary Growth)

MABS Institution

11th Biology Monthly Test - 1 ( Bio - Botany - Secondary Growth)-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Quinine is obtained from the ____________ of the cinchona tree.

Root
resin
bark
gum

A bark used as spice ___________

Pinus
Cinchona
Cinnamon
Morus

In Morus, the wood is described as ___________

soft wood
heart wood
non porous wood
porous wood

Match list I with list II correctly, and select the answer using the codes given below:

List I List II

A. Hard wood 1. Duramen

B. Heart wood 2. Porous wood

C. Soft wood 3. Alburnum

D Sap Wood 4. Non - porous wood

A B C D

1 2 3 4
A B C D

4 3 2 1
A B C D

2 1 4 3
A B C D

4 3 2 1

Choose the non living cells.
(i) phellem
(ii) phellogen
(iii) phloem
(iv) xylem vessel

i and ii
ii and iv
all the four
i and iv

Gum Arabic is got from ___________

Acacia
Pinus
Quercus
Hevea

Match the following.

(a) Phellum i. Cork cambium

(b) Phellogen ii. Secondary cortex

(c) Phelloderm iii. Cork

(d) Phelloids iv. lack suberin

a b c d

iii ii iv i
a b c d

iii i ii iv
a b c d

ii i iii iv
a b c d

i ii iii iv

Lenticels are seen in ___________

Phelloderm
phellem
phellogen
epidermis

____________ is a fossil resin.

Gum Arabic
Amber
Turpentine
Latex

Choose the wrong statement.

Intrafascicular cambium originates from procambium.
It is a part of primary meristem.
Interfascicular cambium is present inside the vasular bundle
It is a part of secondary meristem

Which of the following is a part of Radial system.

sieve tubes
companion cells
phloem rays
phloem parenchyma

Usually, the monocotyledons do not increase their girth, because

They possess actively dividing cambium
They do not possess actively dividing cambium
Ceases activity of cambium
All are correct

The common bottle cork is a product of

Dermatogen
Phellogen
Xylem
Vascular cambium

Canada balsam is made from

gum
tannin
latex
resin

In the diagram of lenticel identify the parts marked as A, B, C, D

A. phellem, B. Complementary tissue, C. Phelloderm, D. Phellogen.
A. Complementary tissue, B. Phellem, C. Phellogen,D. Phelloderm.
A. Phellogen, B. Phellem, C. Phelloderm, D. complementary tissue
A. Phelloderm, B. Phellem, C. Complementary tissue, D. Phellogen

Part - B

Generic 2 - Answer All Question

Name the trees which yield the following.
(a) Cork
(b) Rubber

What is xylotomy?

Name two commercially important Bast fibres and their source.

How the age of a plant can be calculated?

What is the importance of studying growth rings?

Define 'Bark'?
What are pseudo or false annual rings?

Distinct Annual rings are not found in plants found in seashore region. Justify.

What is lenticel?

What is the unique feature of wood as a raw material?

What is the source of of turpentine?

Name the tissues present in the bark.

Heart wood is more useful than sap wood. Justify

What is Cinnamon?

Differentiate Porous or Hard wood and Non porous or Soft wood ?

Part - C

Generic 3 - Answer All Question

What is Haematoxylin?

What is Tyloses?

A cross section of tree trunk contains 60 lighter and 60 darker rings. Determine the age of the tree and justify.

Differences Secondary Growth in Dicot Stem and Root

Differentiate Phellem and Phelloderm.

What is Gum Arabic?

What are the differences between spring wood and Autumn wood?

What is Turpentine?

What is Canada Balsam?

Do gymnosperms and angiosperms have tylosoids?

How are the angiosperm woods classified based an seasonal changes.
A timber merchant bought 2 logs of wood from a forest & named them A & B, The log A was 50 year old & B was 20 years old. Which log of wood will last longer for the merchant? Why?

List the differences between Vascular Cambium and Cork Cambium

What is amber?

Write the differences between vascular cambium and cork cambium?

Part - D

Generic 5 - Answer All Question

A transverse section of the trunk of a tree shows concentric rings which are known as growth rings. How are these rings formed? What is the significance of these rings?

Continuous state of dividing tissue is called meristem. In connection to this, what is the role of lateral meristem?

List the differences between Sap wood and Heart wood?

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