IGCSE Cambridge Secondary Grade 9 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
What is GM?

(A) Genetic Modification	(B) Garbage mover
(C) Gaseous mixture	(D) Grand matriarch

Question-2
Who was Rachel Carson?

(A) Chemist	(B) Teacher
(C) Ecologist	(D) Doctor

Question-3
How is fungi killed ?

(A) By insecticides	(B) By fertilizers
(C) By pesticides	(D) By fungicides

Question-4
Weeds are removed by:

(A) Fungicides	(B) Insecticides
(C) Fertilizers	(D) Herbicides

Question-5
What are legumes?

(A) Substance that kills fungi	(B) Substance used to kill insects and pests
(C) Substance used to remove weeds	(D) The main crops that produce seeds for food

Question-6
Effectiveness of DDT was discovered by:

(A) Rachel Carson	(B) Paul Muller
(C) Charles Townsend	(D) Richard Abegg

Question-7
What type of fertilizers can give crops instant supply of minerals ?

(A) Organic fertilizers	(B) Inorganic fertilizers
(C) Manure	(D) Compost

Question-8
How are seeds of plants formed?

(A) By fertilization	(B) By germination
(C) By dispersal	(D) By pollination

Question-9
In which way can weeds negatively affect crop plants?

(A) Crop plants get less resources	(B) Crop plants grow less
(C) Crop plants get killed	(D) Crop plants grow very close to each other.

Question-10
Who introduced organic farming?

(A) Rachel Carson	(B) Paul Muller
(C) Charles Townsend	(D) Richard Abegg

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