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Ecology Evolution, Agriculture Biodiversity

Q.1) Nutrients are recycled in the atmosphere with the help of certain microorganism referred to as

(A) Producers

(B) Consumers

(C) Decomposers

(D) None of these

Q.2) The green manure is obtained from

(A) Fresh animal excreta

(B) Decomposing green legume plants

(C) Domestic vegetables waste

(D) Oil seed husk cakes

Q.3) The method which is not used as a biological control

(A) use of predators of pest

(B) Pheromone traps

(C) use of pesticides

(D) Use of neem extracts

Q.4) Mushroom cultivation is not useful in

(A) Biogas production

(B) biological control of crop diseases

(C) Recycling of agricultural wastes

(D) Preventing cancer

Q.5) A large number of identical plants can be obtained in a short span of time through

(A) Large number of seeds of a single plant

(B) Stem cuttings

(C) Tissue cultue technique

(D) Hydroponics method

Q.6) Bt seed is associated with

(A) Rice

(B) Wheat

(C) Cotton

(D) Oil seed

Q.7) The study of field crops is called

(A) pomology

(B) Agronomy

(C) Olericulture

(D) Foriculture

Q.8) Select the biofertilizer in the following

(A) Compost

(B) Ammonium sulphure

(C) Cattle Dung

(D) Algae and Blue-Green Algae

Q.9) Which of the following is a correct description of "Tissue culture"

(A) Conservation of forests and plantation

(B) Growth and propagation of horticultrural crops

(C) Science of cultivating animal tissue of artificial medium

(D) Protection of wild animals

Q.10) Nutural organic fertilizers are found to be better than chemical fertilizers because

(A) Chemical fertilizers are less productive

(B) Organic fertilizers are more productive

(C) Organic fertilizers sustain soil productivity

(D) Chemical fertizers are toxic

ਜੇਕਰ ਤੁਸੀ ਕਿਸੇ ਵੀ ਸਰਕਾਰੀ ਨੌਕਰੀ ਬਾਰੇ ਜਾਣਕਾਰੀ ਲੈਣਾ ਚਾਹੁੰਦੇ ਹੋ ਤਾ ਉੱਤੇ ਦਿੱਤੇ ਕੰਮੈਟ ਬਾਕਸ ਵਿੱਚ ਕੰਮੈਟ ਕਰ ਸਕਦੇ ਹੋ ਧੰਨਵਾਦ ਅਰਨ ਮਨੀ ਜੋਬਜ ਟੀਮ