Choose the Correct Answers (Pure Science Group)

Economically Useful Plants and Entrepreneurial Botany

Evaluation

 

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.

a) (i) is correct and (ii) is wrong

b) Both (i) and (ii) are correct

c) (i) is wrong and (ii) is correct

d) 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.

a) Assertion is correct, Reason is wrong

b) Assertion is wrong, Reason is correct

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

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

 

3. Groundnut is native of _____________

a) Philippines

b) India

c) North America

d) Brazil

 

4. Statement A: Coffee contains caffeine

Statement B: Drinking coffee enhances cancer

a) A is correct, B is wrong

b) A and B – Both are correct

c) A is wrong, B is correct

d) A and B – Both are wrong

 

5. This is an example of brush fibre yielding plant

a) Cyperus

b) Neem

c) Cotton

d) Palm

 

6. Tectona grandis is coming under family

a) Lamiaceae

b) Fabaceae

c) Dipterocaipaceae

e) Ebenaceae

 

7. Tamarindus indica is indigenous to

a) Tropical African region

b) South India, Sri Lanka

c) South America, Greece

d) India alone

 

8. New world species of cotton

a) Gossipium arboretum

b) G.herbaceum

c) Both a and b

d) G.barbadense

 

9. Assertion: Turmeric fights various kinds of cancer

Reason: Curcumin is an anti-oxidant present in turmeric

a) Assertion is correct, Reason is wrong

b) Assertion is wrong, Reason is correct

c) Both are correct

d) Both are wrong

 

10. Find out the correctly matched pair.

a) Rubber : Shorea robusta

b) Dye: Indigofera annecta

c) Timber :  Cyperus papyrus

d) Pulp : Hevea brasiliensis

 

11. Find out the wrongly paired one

a) Burma teak : Tectona grandis

b) Rosewood : Dalbergia sp.

c) Ebony : Diaspyros eberum

d) Henna : Shorea robusta

 

12. 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.

a) Statement I is correct

b) Statement II is correct

c) Both statements are correct

d) Both statements are wrong

 

13. 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.

a) Statement I is correct

b) Statement II is correct

c) Both statements are correct

d) Both statements are wrong

 

14. Select the mismatch.

a) Andrographis – hepato protective

b) Adhatada – broncho dialator

c) Phyllanthus – anti-diabetic

d) Curcumin – anti-oxidant

 

15. The active principle trans-tetra hydro canabial is present in

a) Opium

b) Curcuma

c) Marijuana

d) Andrographis

 

16. Which one of the following matches is correct?

a) Palmyra - Native of Brazil

b) Saccharun - Abundant in Kanyakumari

c) Steveocide - Natural sweetener

d) Palmyra sap - Fermented to give ethanol

 

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

a) Oryza sativa

b) Triticum asetumn

c) Triticum duram

d) Zea mays

 

18. Which of the following statement(s) is/are correct?

i. Mushrooms are the fruiting body of edible fungi.

ii. Single-cell proteins are the dried cells of macro organism.

iii. Regular use of liquid seaweed fertilizer will help plants to withstand environmental stress.

iv. SCP can completely replace the conventional protein sources.

a)  (i) and (ii),

b) (i) and (iii),

c) (i) and (iv),

d) (i) alone

 

19. Select the incorrect pair/pairs of statements about single cell protein

i. Chemical pesticides - Safe for human and the environment

ii. Mushrooms - White vegetable

iii. Zarrouk medium- Culture medium

iv. Seaweed - Rich in potassium

a) (i) and (ii),

b) (i) and (iv),

c) (i) and (iii),

d) (i) alone

 

20. Match the following pairs about mushroom cultivation.

A. Straw size (i) 75-85%

B. Distant between blocks (ii) 20 cm C. Cap size at harvesting (iii) 2-4 inch

D. Relative humidity (iv) 10-12 cm

a) A-(ii), B-(iii), C-(iv), D-(i)

b) A-(iii), B-(ii), C-(iv), D-(i)

c) A-(ii), B-(iii), C-(iv), D-(i)

d) A-(i), B-(ii), C-(iii), D-(iv)

 

21. Assertion: In Spirulina culture, half of the required nutrie nts added first and the rest in later.

Reason: If all the nutrients are added first, it will affect the culture growth.

(a) Both A and R are true and R is the correct explanation of A.

(b) Both A and R are true but R is not the correct explanation of A.

(c) A is true but R is false.

(d) Both A and R are false.