12th Bio Botany one marks - Lesson 10 - Online Test | Economically Useful Plants and Entrepreneurial Botany

#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.

(i) is correct and (ii) is wrong

Both (i) and (ii) are correct

(i) is wrong and (ii) is correct

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.

Assertion is correct, Reason is wrong

Assertion is wrong, Reason is correct

Both are correct and reason is the correct explanation for assertion.

Both are correct and reason is not the correct explanation for assertion.

#3. Groundnut is native of _____________

Philippines

India

Brazil

#4. Statement A: Coffee contains caffeine. Statement B: Drinking coffee enhances cancer.

A is correct, B is wrong

A and B – Both are correct

A is wrong, B is correct

A and B – Both are wrong

#5. Tectona grandis is coming under family _____________

Lamiaceae

Fabaceae

Dipterocaipaceae

Ebenaceae

#6. Tamarindus indica is indigenous to _____________

Tropical African region

South India, Sri Lanka

South America, Greece

India alone

#7. New world species of cotton _____________

Gossipium arboretum

G.herbaceum

Both a and b

G.barbadense

#8. Assertion: Turmeric fights various kinds of cancer. Reason: Curcumin is an anti-oxidant present in turmeric.

Assertion is correct, Reason is wrong

Assertion is wrong, Reason is correct

Both are correct

Both are wrong

#9. Find out the correctly matched pair:

Rubber Shorea robusta

Dye

Timber Cyperus papyrus

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.

Statement I is correct

Statement II is correct

Both statements are correct

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.

Statement I is correct

Statement II is correct

Both statements are correct

Both statements are wrong

#12. The active principle trans-tetra hydro canabial is present in _____________

Opium

Curcuma

Marijuana

Andrographis

#13. Which one of the following matches is correct?

Palmyra – Native of Brazil

Saccharun – Abundant in Kanyakumari

Steveocide – Natural sweetener

Palmyra sap – Fermented to give ethanol

#14. The only cereal that has originated and domesticated from the New world.

Oryza sativa

Triticum aestivum

Triticum duram

Zea mays

#15. Identify the Tamil name for flaked rice

Nel

Aval

Pori

12th Bio Botany one marks – Lesson 10 – Online Test | Economically Useful Plants and Entrepreneurial Botany