Question 1

According to histogen theory, the meristematic zone responsible for the development of pericycle is

periblem
plerome
dermatogen
calyptrogen

Answer

Correct Option: B

Question 2

Consider the following statements: Lateral roots originate A. endogenously B. from pericycle cells C. exogenously D. from endodermal cells

Which of these statements are correct?

A and B
C and D
A and D
B and C

Answer

Correct Option: A

Question 3

Which of the following types of adventitious root modifications is found in Dahlia?

Tuberous roots
Fasciculated roots
Nodulose roots
Moniliform

Answer

Correct Option: B

Question 4

Which of the following is not a characteristic of plant cell walls?

They are found only in the sporophyte phase of life cycle.
Among other compounds, they contain compounds built of simple sugars.
They may contain enzymes that are biologically active.
They often contain strengthening polymers.
A site of active secretion.

Answer

Correct Option: A

Question 5

In plant roots, the casparian strip is correctly described by which of the following?

It is located in the walls between endodermal cells and cortex cells.
It provides energy for the active transport of minerals into the vascular bundle from the cortex.
It ensures that all minerals are absorbed from the soil in equal amounts.
It ensures that all water and dissolved substances must pass through a cell before entering the vascular bundle.

Answer

Correct Option: D

Question 6

Which of the following meristems is responsible for extrastelar secondary growth in dictyledonous stem?

Interfascicular cambium
Intercalary meristem
Phellogen
Intrafascicular cambium

Answer

Correct Option: C

Question 7

Which of the following pairs of plants show modification of axillary buds into tendrils and hooks respectively? I. Hugonia II. Duranta III. Passiflora IV. Dioscorea

I and II
II and III
III and I
IV and I

Answer

Correct Option: C

Question 8

Assertion: In syconus type of fruits, the achenes formed are fewer than the total number of flowers in the inflorescence from which they are formed. Reason: Upper and middle flowers cannot develop into fruits. The correct answer is

Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but Reason is not the correct explanations of Assertion.
Assertion is true, but Reason is false.
Assertion is false, but Reason is true.

Answer

Correct Option: A

Question 9

Resin duct of a gymnospermous stem is an example of

big vacuole
intercellular space
lysigenous cavity
schizogenous cavity

Answer

Correct Option: D

Question 10

Which of the following statements is true for primary xylem in a dicot root showing extensive secondary growth?

It is retained in the centre of the axis.
It gets crushed.
It gets surrounded by primary phloem.
None of these

Answer

Correct Option: A

Question 11

Secondary phloem remains functional generally

for one year
for less than one year
for more than one year
for as long as the plant lives

Answer

Correct Option: A

Question 12

The pathway of water from the soil through the plant to the atmosphere is

cortex - epidermis - vessel elements - intercellular spaces in mesophyll - stomata - endodermis
epidermis - cortex - Casparian strip - endodermis - sieve cells - intercellular spaces in the mesophyll - stomata
casparian strip - root hairs - epidermis - cortex - xylem - endodermis - intercellular spaces in mesophyll - stomata
root hairs - cortex - endodermis - vessel elements - intercellular spaces in mesophyll - stomata

Answer

Correct Option: D

Question 13

Match List I (type of tissues/structures) with List II (characterstic features of the tissue) and select the correct answer using codes given below the lists.


List I	List II
A. Hydrathodes	(1) Balloon-like protusions into tracheary elements developed from xylem parenchyma
B. Collenchyma	(2) Mechanical tissue that consists of living cells walls rich in pectin and hemicellulose
C. Periblem	(3) Occur on leaf tips responsible for guttation
D. Tyloses	(4) Meristematic tissue responsible for the development of cortex

A – 2, B – 3, C – 4, D – 1
B – 3, B – 2, C – 1, D – 4
A – 2, B – 3, C – 1, D – 4
A – 3, B – 2, C – 4, D – 1

Answer

Correct Option: D

Question 14

Haustorial roots are present in

Zeamays
Cactus
Cuscuta
Orchid

Answer

Correct Option: C

Question 15

Match the following:


A. Meristem	i. Photosynthesis, storage
B. Parenchyma	ii. Mechanical support
C. Collenchyma	iii. Actively dividing cells
D. Sclerenchyma	iv. Stomata
E. Epidermal tissue	v. Sclereids

A – i, B – iii, C – v, D – ii, E – iv
A – iii, B – i, C – ii, D – v, E – iv
A – ii, B – iv, C – v, D – i, E – iii
A – v, B – iv, C – iii, D – ii, E – i

Answer

Correct Option: B

Description: Plant Anatomy - I
Number of Questions: 15
Created by: Sangita Pandit
Tags: Plant Anatomy - I Plant and Animal Biotechnology

Plant Anatomy - I

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