Samacheer Kalvi EM 12 Bio - Botany Unit10 Chapter10 MCQs Mock Test

12th Bio - Botany Mock Test

Chapter 10: Economically Useful Plants and Entrepreneurial Botany

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

 

1. Consider the following statements and choose the right option:
   (i) Cereals are members of grass family.
   (ii) Most of the food grains come from monocotyledon.
   1.   (i) is correct and (ii) is wrong
   2.   Both (i) and (ii) are correct
   3.   (i) is wrong and (ii) is correct
   4.   Both (i) and (ii) are wrong
2. Assertion: Vegetables are important part of healthy eating.
   Reason: Vegetables are succulent structures of plants with pleasant aroma and flavours.
   1.   Assertion is correct, Reason is wrong
   2.   Assertion is wrong, Reason is correct
   3.   Both are correct and reason is the correct explanation for assertion.
   4.   Both are correct and reason is not the correct explanation for assertion.
3. Groundnut is native of __________
   1.   Philippines
   2.   India
   3.   North America
   4.   Brazil
4. Statement A: Coffee contains caffeine.
   Statement B: Drinking coffee enhances cancer.
   1.   A is correct, B is wrong
   2.   A and B – Both are correct
   3.   A is wrong, B is correct
   4.   A and B – Both are wrong
5. Tectona grandis is coming under family
   1.   Lamiaceae
   2.   Fabaceae
   3.   Dipterocaipaceae
   4.   Ebenaceae
6. Tamarindus indica is indigenous to
   1.   Tropical African region
   2.   South India, Sri Lanka
   3.   South America, Greece
   4.   India alone
7. New world species of cotton
   1.   Gossipium arboretum
   2.   G.herbaceum
   3.   Both a and b
   4.   G.barbadense
8. Assertion: Turmeric fights various kinds of cancer.
   Reason: Curcumin is an anti-oxidant present in turmeric.
   1.   Assertion is correct, Reason is wrong
   2.   Assertion is wrong, Reason is correct
   3.   Both are correct
   4.   Both are wrong
9. Find out the correctly matched pair:
   1.   Rubber - Shorea robusta
   2.   Dye - Lawsonia inermis
   3.   Timber - Cyperus papyrus
   4.   Pulp - Hevea brasiliensis
10. Observe the following statements and pick out the right option from the following:
    Statement I – Perfumes are manufactured from essential oils.
    Statement II – Essential oils are formed at different parts of the plants.
    1.   Statement I is correct
    2.   Statement II is correct
    3.   Both statements are correct
    4.   Both statements are wrong
11. Observe the following statements and pick out the right option from the following:
    Statement I: The drug sources of Siddha include plants, animal parts, ores and minerals.
    Statement II: Minerals are used for preparing drugs with long shelf-life.
    1.   Statement I is correct
    2.   Statement II is correct
    3.   Both statements are correct
    4.   Both statements are wrong
12. The active principle trans-tetra hydro canabial is present in
    1.   Opium
    2.   Curcuma
    3.   Marijuana
    4.   Andrographis
13. Which one of the following matches is correct?
    1.   Palmyra – Native of Brazil
    2.   Saccharun – Abundant in Kanyakumari
    3.   Steveocide – Natural sweetener
    4.   Palmyra sap – Fermented to give ethanol
14. The only cereal that has originated and domesticated from the New world.
    1.   Oryza sativa
    2.   Triticum aestivum
    3.   Triticum duram
    4.   Zea mays

Samacheer Kalvi EM 12th Std Bio - Botany Unit 10 Chapter 10 MCQs Mock Test Instructions

Chapter 9: Plant Breeding

Here you will find 14 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 Goto Subjects Button on the Top and Bottom Navigates to the 12th Std subject list (Example: From MCQs to 12th Std subject list and so on).
• The Prev Chapter Button on the Top and Bottom Navigates to the Prev Chapter (Example: From Chapter 10 to Chapter 9 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.