MCQ Questions for Class 9 Science: Ch 15 Improvement in Food Resources
1. Weeds are the unwanted plants that grow along with the cultivated plants. How do they affect the crop plants?
(a) By killing plants in the field before they grow
(b) By dominating the plants to grow
(c) Competing for various resources of plants causing low availability of nutrients
(d) All of above
► (c) Competing for various resources of plants causing low availability of nutrients
2. Main sugar present in the honey is :-
(a) Maltose
(b) Levulose
(c) Dextrose
(d) Ribose
► (b) Levulose
3. Red cell count is carried out by
(a) haemocytometer
(b) haemoglobinometer
(c) sphygmomanometer
(d) electrocardiogram
► (a) haemocytometer
4. Which of the following is a weed?
(a) Sudan grass
(b) Cowpea
(c) Parthenium
(d) Linseed
► (c) Parthenium
5. Green manure refers to
(a) the organic manure prepared by green worms
(b) the manure used by small green plants
(c) the plants grown and mulched by ploughing before sowing the crop
(d) the organic manure added to soil before ploughing and sowing
► (c) the plants grown and mulched by ploughing before sowing the crop
6. Broilers are maintained for getting :-
(a) Milk
(b) Egg
(c) Meat
(d) Leather
► (c) Meat
7. Most of the human neurons are
(a) multipolar
(b) bipolar
(c) unipolar
(d) pseudo-unipolar
► (a) multipolar
8. Lysosomes are the reservoirs of
(a) Fat
(b) RNA
(c) Secretory glycoproteins
(d) Hydrolytic enzymes
► (d) Hydrolytic enzymes
9. Tick the viral disease of cattle:
(a) Foot and mouth disease
(b) Anthrax
(c) Aspergillosis
(d) T.B.
► (a) Foot and mouth disease
10. Which of the following nutrients are absorbed by plants in large quantities from soil?
(a) Manganese
(b) Iron
(c) Zinc
(d) Sulphur
► (d) Sulphur
11. Leghorn is an exotic breed of:
(a) Marine prawn
(b) Milch animal
(c) Poultry
(d) Drought animal
► (c) Poultry
12. Double membrane is absent in –
(a) Mitochondrion
(b) Chloroplast
(c) Nucleus
(d) Lysosome
► (d) Lysosome
13. Plants can be made disease-resistant by
(a) hybridisation
(b) genetic modification
(c) both (a) and (b)
(d) use of antibiotics
► (a) hybridisation
14. Which of the following is not considered as primary nutrient for plants?
(a) Oxygen
(b) Nitrogen
(c) Phosphorus
(d) Potassium
► (a) Oxygen
15. Cattle feed should contain :-
(a) Concentrate
(b) Roughage
(c) Both
(d) None of these
► (c) Both
16. Striated muscles are found in
(a) gall bladder
(b) wall of bronchi
(c) leg muscles
(d) lungs
► (c) leg muscles
17. Which of the following species is an Indian cow?
(a) Bos domestica
(b) Bos indicus
(c) Bos vulgaris
(d) Bos bubalis
► (b) Bos indicus
18. The membrane surrounding the vacuole of a plant cell is called
(a) Tonoplast
(b) Plasma membrane
(c) Nuclear membrane
(d) Cell wall
► (a) Tonoplast
19. Why are honeybees so important ?
(a) They are excellent pollinators
(b) They show a high degree of social life
(c) They have a stinger
(d) They produce bee wax
► (a) They are excellent pollinators
20. Which organelle releases oxygen?
(a) Ribosome
(b) Golgi apparatus
(c) Mitochondria
(d) Chloroplast
► (d) Chloroplast
21. Sometimes fish are cultured with:
(a) Maize crop
(b) Rice crop
(c) Wheat crop
(d) Pulses
► (b) Rice crop
22. Ribosomes are the centre for –
(a) Respiration
(b) Photosynthesis
(c) Protein synthesis
(d) Fat synthesis
► (c) Protein synthesis
23. Percentage of proteins in the fish meal is :-
(a) 15 - 20%
(b) 25 - 50%
(c) 40 - 50%
(d) 55 - 70%
► (d) 55 - 70%
24. Catla and Rohu are the examples of :-
(a) Exotic fresh water fishes
(b) Indigrenous fresh water fishes
(c) Indigenous marine water fishes
(d) Exotic marine water fishes
► (b) Indigrenous fresh water fishes
25. Practice of culturing marine fish is known as:
(a) Sericulture
(b) Aquaculture
(c) Pisciculture
(d) Mariculture
► (d) Mariculture
26. Chickens or turkeys raised specifically for meat are called:
(a) Bird Culture
(b) Pullets
(c) Broilers
(d) Hybrids
► (c) Broilers
27. The energy currency of a cell is –
(a) ADP
(b) AMP
(c) ATP
(d) CTP
► (c) ATP
28. The production of useful aquatic plants and animals like prawns, fish, lobsters, crabs, molluscs, etc. using various types of water resources is called
(a) aquaculture
(b) pisciculture
(c) silviculture
(d) silver revolution
► (a) aquaculture
29. The cell organelle associated with cell secretion is
(a) Plastids
(b) Mitochondria
(c) Golgi apparatus
(d) Nucleolus
► (c) Golgi apparatus
30. Which of the following combination of crop will give maximum yield in mixed cropping?
(a) Wheat + peanut
(b) Oat + Rice
(c) Wheat + maize
(d) Wheat + millet
► (a) Wheat + peanut
31. Which of the following is cultured for pearls?
(a) Bhetki
(b) Prawns
(c) Mullets
(d) Oysters
► (d) Oysters
32. Among the following which is the major cause of crop failure in India?
(a) Monsoon failure
(b) Inadequate supply of fertilizers and manures
(c) Pest attack
(d) Soil conditions
► (a) Monsoon failure
33. Root hair absorbs water from soil through –
(a) Osmosis
(b) Active transport
(c) Diffusion
(d) Endocytosis
► (a) Osmosis
34. Which one of the following is milch breed of cow ?
(a) Nageri
(b) Malvi
(c) Gir
(d) Hallikar
► (c) Gir
35. Plants providing nectar and pollens to the honey bee collectively called :-
(a) Swarm
(b) Bee fauna
(c) Apiary
(d) Pasturage
► (d) Pasturage
36. Arrange the following animal food products which contain more fats, more proteins and least fat (among them) and choose the set that contains the right option in the above said orde
(a) Fish, egg, meat
(b) Meat, milk, egg
(c) Milk, meat, fish
(d) Egg, meat, fish
► (d) Egg, meat, fish
37. Which is a desirable characteristic in poultry?
(a) Reduced quality of chicken
(b) Low tolerance to high temperature
(c) Low maintenance requirements
(d) Large size of the egg laying bird
► (c) Low maintenance requirements
38. Which one of the following is a true fish :-
(a) Fin fish
(b) Jelly fish
(c) Star fish
(d) Shell fish
► (a) Fin fish