11th Standard Syllabus & Materials

11th Standard

TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

11th Standard Botany - Tissue and Tissue System English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

Published on: 11/11/2020

Download Tamil Nadu 11th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

Questions + Answers key

Take MCQ Biology Test

QB365 Student Learing Managemnet System

Std: 11th Standard - Biology

chapter: - Model Question paper

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

Multiple Choice Question

10 x 1 = 10

The terms 'Hadrome' for Xylem and 'Leptome' for phloem were coined by ____________

(a)

Clowes

(b)

Haberlandt

(c)

Hanstein

(d)

Schmidt

Pick out the feature not applicable to roots.

(a)

Radial arrangement of vascular tissues

(b)

endarch Xylem

(c)

Meta xylem is polygonal is shape

(d)

Endogenous lateral roots

The inactive region in root promeristem is called _____________

(a)

Korper zone

(b)

Quiescent centre

(c)

Kappe zone

(d)

Calyptrogen

The Tunica corpus theory was proposed by _____________

(a)

Henstein

(b)

Strassburgur

(c)

Schmidt

(d)

Hofmeister

Ground tissue includes ___________

(a)

All tissues external to endodermis

(b)

All tissues except epidermis & vascular bundles

(c)

Epidermis & cortex

(d)

All tissues internal to endodermis

In a vertical section of a typical dicot leaf, the phloem in the mid-vein is situated

(a)

Facing the lower epidermis

(b)

Facing the upper epidermis

(c)

Facing sideways

(d)

All around the xylem

Which of the following is not a function of epidermis?

(a)

Protection of internal tissues

(b)

Exchange of gases

(c)

Providing mechanical strength and flexibility

(d)

Minimising surface transpiration

From the given diagram identify the correct statement:
(i) A is responsible for increasing in length and is found at the basal portion of internodes
(ii) A contributes to increase the length of plant.
(iii) C divides only radially and produces the girth of the plant.
(iv) B and Care the lateral meristem.

(a)

i and ii only

(b)

ii and iii only

(c)

iii and iv only

(d)

i and iv only

When a leaf trace extends from a vascular bundle in a dicot stem, what would be the arrangement of vascular tissues in the veins of the leaf?

(a)

Xylem would be on top and the phloem on the bottom

(b)

Phloem would be on top and the xylem on the bottom

(c)

Xylem would encircle the phloem

(d)

Phloem would encircle the xylem

10.

Read the following sentences and identify the correctly matched sentences.
i. In exarch condition, the protoxylem lies outside of metaxylem.
ii. In endarch condition, the protoxylem lie towards the centre.
iii. In centarch condition, metaxylem lies in the middle of the protoxylem.
iv. In mesarch condition, protoxylem lies in the middle of the metaxylem.

(a)

i, ii and iii only

(b)

ii, iii and iv only

(c)

i, ii and iv only

(d)

All of these