Chapter 10: Economically Useful Plants and Entrepreneurial Botany - Online Test

Q1. Find out the wrongly paired one
Answer : Option D
Explaination / Solution:
No Explaination.


Q2.

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.

Answer : Option C
Explaination / Solution:
No Explaination.


Q3.

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.

Answer : Option C
Explaination / Solution:
No Explaination.


Q4. Select the mismatch.
Answer : Option C
Explaination / Solution:
No Explaination.


Q5. The active principle trans-tetra hydro canabial is present in
Answer : Option C
Explaination / Solution:
No Explaination.


Q6. Which one of the following matches is correct?
Answer : Option C
Explaination / Solution:
No Explaination.


Q7. The only cereal that has originated and domesticated from the New world.
Answer : Option D
Explaination / Solution:
No Explaination.


Q8.

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.

Answer : Option B
Explaination / Solution:
No Explaination.


Q9.

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

Answer : Option B
Explaination / Solution:
No Explaination.


Q10.

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

Answer : Option B
Explaination / Solution:
No Explaination.