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 - Transport in Plants 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

In a turgid cell ____________ is seen

(a)

TP = WP

(b)

TP- WP = Turgid

(c)

TP +WP = Turgid

(d)

As TP increases WP decreases

The concept of water potential was introduced by ___________

(a)

Slatyer

(b)

Dixon

(c)

Bose

(d)

Lundegardh

__________ is a large transporter protein found in outer membrane of plastids mitochondria etc.,

(a)

Aquaporin

(b)

Uniport

(c)

Porin

(d)

Cellulose

_________ observed correlation between respiration and anion absorption.

(a)

Lundegardh

(b)

Donnan

(c)

Bennet

(d)

Overton

Choose the correct statement.
(i) In guard cells starch is converted to malic acid.
(ii) Stomata open in dark and close in light.
(iii) Accumulation of CO₂ in guard cells lowers the pH level.
(iv) CO₂ is a natural antitranspirant

(a)

i, ii, iii

(b)

i, ii, iii, iv

(c)

none

(d)

i, iii, iv

Experiment with Balsam demonstrates

(a)

Translocation of solute

(b)

Plasmolysis

(c)

Transpiration pull

(d)

Ascent of Sap

Water potential of pure water is __________

(a)

(b)

-2

(c)

(d)

Identify the wrong statement with reference to Diffusion
i) It is seen in gases and liquids.
ii) It is a active process and hence no energy expenditure is required.
(iii)The rate of diffusion is determined by concentration gradient.
(iv) It is independent of the living system.

(a)

ii and iii

(b)

i and iv

(c)

ii only

(d)

i only

Which of the following physical force is responsible for ascent of sap?

(a)

Imbibition

(b)

Capillary force

(c)

Transpiration pull and cohesion

(d)

Root pressure

10.

Which among the following is correct?
i. Apoplast is fastest and operate in nonliving part.
ii. Transmembrane route includes vacuole.
iii. Symplast interconnect the nearby cell through plasmadesmata.
iv. Symplast and transmembrane route are in living part of the cell

(a)

i and ii

(b)

ii and iii

(c)

iii and iv

(d)

i, ii, iii, iv