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12th Biology Weekly Test - 1 ( Botany - Economically Useful Plants and Entrepreneurial Botany )

St. Britto Hr. Sec. School - Madurai

12th Biology Weekly Test - 1 ( Botany - Economically Useful Plants and Entrepreneurial Botany )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

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

__________ is the largest coffee producing state in India.

Tamilnadu
Karnataka
Assam
Kerala

__________ is the only pulse native to South India.

Pigeon pea
Bengal gram
Green gram
Black gram

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

Oryza sativa
Triticum asetumn
Triticum duram
Zea mays

The active principle trans-tetra hydro canabial is present in

Opium
Curcuma
Marijuana
Andrographis

Paste of the powdered stem of ____________ is used to treat bone fractures.

Acalyphya indica
Cissus quadrangularis
Phyllanthus ernblica
Aegle rnarmelos

New world species of cotton

Gossipium arboretum
G.her:baceum
Both a and b
G.barbadense

Find out the correctly matched pair.

Rubber-Shorea robusta
Dye-Lawsonia inermis
Timber-Cyperus papyrus
Pulp-Hevea brasiliensis

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

__________ is the edible part of date palm.

Aril
Mesocarp
Pericarp
Fleshy receptacle

Part - B

Generic 2 - Answer All Question

Mention the uses of Sorghum.

Name the humors that are responsible for the health of human beings.
Give the botanical names of a. Rice b. Maize

Write the cosmetic uses of Aloe.

Give definitions for organic farming?

What is pseudo cereal? Give an example.

Part - C

Generic 3 - Answer All Question

Write a note on uses of cotton. Mention its binomial.

What is TSM? How does it classified and what does it focuses on?

Enumerate the uses of turmeric

Write the origin and area of cultivation of green gram and red gram.
Mention the uses of palmyra.

If a person drinks a cup of coffee daily it will help him for his health. Is this correct? If it is correct, list out the benefits.

Part - D

Generic 5 - Answer All Question

Write a note on Teak as a valuable source of wood.

Give an account on the role of Jasminum in perfuming.
. Write the economic importance of rice.

Give an account on the role of Jasminum and in perfuming .

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