InstaQB

Home
Institutions
- Institutions
  
  Polytechnic Colleges
  
  Medical Colleges
  
  Arts & Science Colleges
  
  Universities
  
  Engineering Colleges
  
  Agricultural Colleges
  
  Research Institute
  
  Law Colleges
  
  Audiology and Speech Colleges
  
  Business & Management colleges
  
  Nursing colleges
  
  Hotel Management institutes
  
  Aeronautical Colleges
  
  Bachelor's Degree
Syllabus
Courses
Stateboard
- 12th Standard English Medium
  
  Maths
  
  Physics
  
  Chemistry
  
  Biology
  
  Computer Science
  
  Business Maths
  
  Economics
  
  Commerce
  
  Accountancy
  
  History
  
  Computer Applications
  
  Computer Technology
  12th Standard Tamil Medium
  
  உயிரியல்
  
  கணினி பயன்பாடுகள்
  
  கணினி அறிவியல்
  
  வணிகக் கணிதம்
  
  வணிகவியல்
  
  பொருளியல்
  
  கணிதவியல்
  
  வேதியியல்
  
  இயற்பியல்
  
  கணினி தொழில்நுட்பம்
  
  வரலாறு
  
  கணக்குப்பதிவியல்
  11th Standard English Medium
  
  Maths
  
  Commerce
  
  Economics
  
  Biology
  
  Business Maths
  
  Accountancy
  
  Computer Science
  
  Physics
  
  Chemistry
  
  Computer Applications
  
  History
  
  Computer Technology
  
  Bio - Zoology
  11th Standard Tamil Medium
  
  கணிதவியல்
  
  உயிரியல்
  
  பொருளியல்
  
  இயற்பியல்
  
  வேதியியல்
  
  வணிகக் கணிதம்
  
  கணினி அறிவியல்
  
  கணக்குப்பதிவியல்
  
  வணிகவியல்
  
  கணினி பயன்பாடுகள்
  10th Standard English Medium
  
  Mathematics
  
  Science
  
  Social Science
  
  9th Standard English Medium
  
  Mathematics
  
  Science
  
  Social Science
  
  8th Standard English Medium
  
  Mathematics
  
  Science
  
  Social Science
  7th Standard English Medium
  
  Mathematics
  
  Science
  
  Social Science
ICSE/ISC
- Class XII
  
  Mathematics
  
  Physics
  
  Accountancy
  
  Biology
  
  History
  
  Geography
  
  Psychology
  
  chemistry
  
  Economics
  
  Computer Science
  
  Political Science
  
  Business Studies
  Class XI
  
  Accountancy
  
  Chemistry
  
  Mathematics
  
  Biology
  
  Geography
  
  Physics
  
  History
CBSE
- 12Th Standard
  
  Physics
  
  Chemistry
  
  Maths
  
  Biology
  
  History
  
  Economics
  
  Commerce
  
  Geography
  
  Socialogy
  
  Business Studies
  
  Computer Science
  
  Biotechnology Class
  
  Political Science
  
  Home Science
  11Th Standard
  
  Physics
  
  Chemistry
  
  Maths
  
  Biology
  
  History
  
  Economics
  
  Commerce
  
  Socialogy
  
  Business Studies
  
  Geography
  
  Home Science
  
  Computer Science
  
  Biotechnology Class
  
  Political Science
  10Th Standard
  
  Physics
  
  Chemistry
  
  Biology
  
  Mathematics
  
  Economics
  
  Geography
  
  History & Civics
  
  Computer Application
  9Th Standard
  
  Physics
  
  Chemistry
  
  Biology
  
  mathematics
  
  Computer Application
  
  Economics
  
  Geography
  
  History & Civics

11th Biology Weekly Test - 1 ( Bio - Botany - Tissue and Tissue System )

MABS Institution

11th Biology Weekly Test - 1 ( Bio - Botany - Tissue and Tissue System )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Identify the correctly matched pair.

Bicollateral vascular bundles - cucurbita pepo
Amphicribal vascular bundles - dracaena
Amphivasal vascular bundles - prunus
Open vascular bundles - stem of Zea mays

In Gymnosperms, the activity of sieve cells are controlled by

Nearby sieve tube members
Phloem parenchyma cells
Nucleus of companion cells
Nucleus of albuminous cells.

Assertion (A): In grasses the bundle sheath is called Kranz sheath.
Reason (R) : It is involved in photosynthesis.

A and R are right
A and R are wrong
R does not Explain A
A is right and R is wrong

The differences between tracheids and vessels is given below. Select the correct pair.

TRACHEIDS VESSELS

(i) Walls are less thick and lumen is wide (i) Walls are thick and the lumen is
narrow

(ii) The end walls are tapering and lignified (ii) It offers only mechanical support.

(iii) Occurs in all vascular plants. (iii) Occurs in all angiosperms.

(iv) These are imperforated cells with bordered pits. (iv) These are cells with perforated end walls.

i only
ii only
iii only
iv only

_____________ are modified stomata.

Guard cells
Bulliform cells
Motor cells
Hydathodes

Pick out the feature not applicable to roots.

Radial arrangement of vascular tissues
endarch Xylem
Meta xylem is polygonal is shape
Endogenous lateral roots

The inactive region in root promeristem is called _____________

Korper zone
Quiescent centre
Kappe zone
Calyptrogen

Bulliform cells are modified ____________

Epidermis
Xylem
Phloem
Pericycle

Select the incorrect statement about casparian strips

These are bands of thickenings along the radial and tangential walls of endodermal cells
They prevent plasmolysis of endodermal cells
These are composed of lignin, suberin and tannins.
It is not found opposite to proto xylem points

Conjunctive tissue __________

covers the phloem
covers the vascular bundle
covers the stele
separates xylem and phloem

Part - B

Generic 2 - Answer All Question

What is the main function of casparian strips?

What are the functions of trichomes?

Below is a list of plant fibres. From which part of the plant these are obtained? (a) Coir (b) Hemp (c) cotton (d) Jute
Apart from the basic function of packing tissue, what are the other functions of parenchyma

Name the types of collenchyma.

Part - C

Generic 3 - Answer All Question

Draw a diagram of stomata with bean shaped guard cells and label the parts.

Draw and label any two types of Collenchyma?

Differentiate stomata and hydathodes?

Draw a diagram to show position of different types of meristems.
How are meristems classified based on position?

Part - D

Generic 5 - Answer All Question

Write short notes on tracheids with labelled diagram.

What are sieve tubes ?explain.

Write a note on conjoint vascular bundles.
Describe the vascular bundle of a monocot stem?

Distinguish the anatomy of dicot root from monocot root.

Comment

Add Comment

Tamilnadu Stateboardszs - Class