CBSE Class 9 Science Improvement In Food Resources MCQs Set B

Question. Which one of the following includes only macronutrients?
(a) C,N, Ca
(b) H, Fe, P
(c) O, K, Cl
(d) K, S, Zn

Answer: A

Question. The science of vegetable culture is called as
(a) Agriculture
(b) Horticulture
(c) Olericulture
(d) Floriculture

Answer: C

Question. Murrah, Surti and Mehsana are the indigenous breeds of
(a) cows
(b) buffaloes
(c) poultry
(d) pigs

Answer: B

Question. Transfer of seedling from the nurseries to the main field is termed as
(a) weeding
(b) sowing
(c) transplantation
(d) ploughing

Answer: C

Question. All animals are
(a) Parasitic
(b) saprophytic
(c) autotrophic
(d) heteotrophic

Answer: D

Question. Inland fisheries is referred to
(a) culturing fish in fresh water
(b) deep sea fisheries
(c) extraction of oil from fishes
(d) capturing fishes from seas

Answer: A

Question. The unwanted wild plants growing alonwith the crop plants are called
(a) weeds
(b) seedling
(c) minor crops
(d) grasses

Answer: A

Question. chemical used to kill rats and moles is called as
(a) fungicide
(b) nematicide
(c) rodenticide
(d) insecticide

Answer: C

Question. The principal cereal crop of India is
(a) wheat
(b) rice
(c) maize
(d) sorghum

Answer: B

Question. Damp grains in storage gets heated due to
(a) infestation by insects
(b) decrease in humidity
(c) decrease in atmospheric pressure
(d) high moisture content and growth of moulds

Answer: D

Question. Green maturing refers to
(a) add green leaves to the soil
(b) grow young and green crops of leguminous plants along with non leguminous
(c) add decomposed organic matter to soil
(d) none of these

Answer: B

Question. The element which is required in largest quantity by plants is
(a) sulphur
(b) calcium
(c) phosphorus
(d) nitrogen

Answer: D

Question. cattle food rich in one or more nutrients but lacks fibres is called as
(a) roughage
(b) concentrate
(c) sap
(d) none of the options

Answer: B

Question. Vermicomposting involves
(a) earthworm
(b) cockroach
(c) leech
(d) roundworm

Answer: A

Question. Nodules with nitrogen – fixing bacteria are present in
(a) mustard
(b) wheat
(c) gram
(d) cotton

Answer: C

Question. IR36 and Pusa Basmati are high yielding varieties of
(a) rice
(b) wheat
(c) maize
(d) mustard

Answer: C

Question. Honey bee culture is called as
(a) pisciculture
(b) apiculture
(c) sericulture
(d) horticulture

Answer: B

Question. Application of nitrogenous manure to a plant causes
(a) vigorous vegetative growth
(b) early flowering
(c) early
(d) growth retardation due to toxicity to NH3

Answer: A

Question. Improved storage structures include
(a) grain silos
(b) pusa bin
(c) pusa kothar
(d) all of these

Answer: D

Question. Weedicides among the following are
(a) 2, 4-D, nitrofen, atrazine
(b) atrazine, BHC, pyrethrum
(c) Pyrethrum, EDB, methyl bromide
(d) 2, 4-D , BHC, EDB

Answer: A

Question. Hybridization can be
(a) intervarietal
(b) interspecific
(c) intergeneric
(d) all of the options

Answer: D

Question. which is the most important source of food and fodder ?
(a) Algae
(b) Fungi
(c) Lichen
(d) Cereal

Answer: D

Question. Rotation of crops is essential for
(a) getting different kinds of crops
(b) increasing quality of minerals
(c) increasing quality of proteins
(d) increasing fertility of soil

Answer: D

Question. Cropping pattern involving a definite pattern of rows is called as
(a) crop rotation
(b) mixed cropping
(c) inter cropping
(d) monoculture

Answer: C