Samacheer Kalvi EM 12 Bio - Botany Unit8 Chapter5 MCQs Mock Test

12th Bio - Botany Mock Test

Chapter 5: Plant Tissue Culture

Choose the correct answer from the multiple choices, then click "Next" to goto next question and click "OK" after seeing the score.

 

1. Totipotency refers to
   1.   capacity to generate genetically identical plants
   2.   capacity to generate a whole plant from any plant cell / explant
   3.   capacity to generate hybrid protoplasts
   4.   recovery of healthy plants from diseased plants
2. Micro propagation involves
   1.   vegetative multiplication of plants by using micro-organisms
   2.   vegetative multiplication of plants by using small explants
   3.   vegetative multiplication of plants by using microspores
   4.   Non-vegetative multiplication of plants by using microspores and megaspores
3. Match the following:
   
   
   1.   C A D B
   2.   A C B D
   3.   B A D C
   4.   D B C A
4. The time duration for sterilization process by using autoclave is __________ minutes and the temperature is __________
   1.   10 to 30 minutes and 125° C
   2.   15 to 30 minutes and 121° C
   3.   15 to 20 minutes and 125° C
   4.   10 to 20 minutes and 121° C
5. Which of the following statement is correct?
   1.   Agar is not extracted from marine algae such as seaweeds
   2.   Callus undergoes differentiation and produces somatic embryoids
   3.   Surface sterilization of explants is done by using mercuric bromide
   4.   `P^H` of the culture medium is 5.0 to 6.0
6. Select the incorrect statement from given statements:
   1.   A tonic used for cardiac arrest is obtained from Digitalis purpuria
   2.   Medicine used to treat Rheumatic pain is extracted from Capsicum annum
   3.   An anti-malarial drug is isolated from Cinchona officinalis
   4.   Anti-carcinogenic property is not seen in Catharanthus roseus
7. Virus free plants are developed from
   1.   Organ culture
   2.   Meristem culture
   3.   Protoplast culture
   4.   Cell suspension culture
8. The prevention of large scale loss of biological integrity
   1.   Biopatent
   2.   Bioethics
   3.   Biosafety
   4.   Biofuel
9. Cryopreservation means it is a process to preserve plant cells, tissues or organs
   1.   at very low temperature by using ether
   2.   at very high temperature by using liquid nitrogen
   3.   at very low temperature of-196 by using liquid nitrogen
   4.   at very low temperature by using liquid nitrogen
10. Solidifying agent used in plant tissue culture is
    1.   Nicotinic acid
    2.   Cobaltous chloride
    3.   EDTA
    4.   Agar

Samacheer Kalvi EM 12th Std Bio - Botany Unit 8 Chapter 5 MCQs Mock Test Instructions

Chapter 5: Plant Tissue Culture

Here you will find 10 MCQs questions and options. Read the questions carefully and select the appropriate answer for the question by selecting/clicking the box before the option. A pop-up box will open by displaying the result of the option selected. The result of each question will be based on percentages. Each question will have 3 chances to select the right option and for every chance, the percentage of scores will be reduced. Likewise, the remaining questions also take place. The overall percentage scored will be displayed at the completion of the mock test.

Note: Every time the page loads, the question and options will be randomized and takes you to the beginning of the particular exercise.

Button Navigations:

The Below Image shows the button navigations.

• The Home Button On the Top and Bottom Navigates to the Homepage of the Subject (Example: To Bio - Botany if the mock test is taken from Bio - Botany).
• The Next Chapter Button on the Top and Bottom Navigates to the Next Chapter (Example: From Chapter 5 to Chapter 6 and so on).
• The Prev Chapter Button on the Top and Bottom Navigates to the Prev Chapter (Example: From Chapter 5 to Chapter 4 and so on).
• The Next Button next to the question numbers Navigates to the Next Question (Example: From 1 to 2 and so on).
• The Show All Questions Button Displays all the questions and options of that exercise on a single page.
• The Option Box Icon (Box with Question mark icon), is the box that is to be selected for the correct option. By selecting/clicking the option box, a pop-up box will open by displaying the result of the option selected.