WorksheetsPt 2 revision
Total questions: 26
Worksheet time: 13mins
The practice of growing different crops in different seasons is called as:
Nitrogen fixation
Crop rotation
Crop management
Harvesting
Chemical substances which are rich in a particular nutrient.
Manure
Compost
Fertilizer
Rhizobium
Which of the following crop is cultivated by vegetative parts??
Ground nut
Wheat
Rice
Sugarcane
The practice of leaving the field uncultivated for one or more seasons.
Fallowing
Sowing
Irrigation
Transplantation
The method by which seeds are sown randomly by hand.
Transplantation
Bed culture
Broadcasting
Ploghing
Which of the following is the traditional method of irrigation?
Sprinkler system
Chain pump
Drip irrigation
All of the above
Commonly used weedicide
Phosphorus
Potash
2, 4 - D
Nitrogen
Thin porous membrane that separates the nucleus from the cytoplasm
Nuclear sap
Nuclear membrane
Nucleus
Nucleolus
A cell wall is made of rigid, non-living substance called
Lignin
Cellulose
Cytoplasm
Nucleus
Cells without nucleus
Prokaryotes
Eukaryotes
Amoeba
None
Kidney or bean shaped cells are found in
Nerve cell
Stomata
Muscle cell
WBC
Pseudopodia or fable feet is seen in
Plants
Bacteria
Amoeba
Virus
Which of the following had the lightest calorific value?
Biogas
Coke
Methane
Charcoal
CH⁴+2O²➡️__________+2H²O
CO
CO²
COOH
Co³
The hottest past of a candle flame
Innermost zone
Middle zone
The outer zone
Both middle and outer zone
Petrol engines are incomplete combustion of petrol forms oxides of
Nitrogen and carbon
Sulphur and oxygen
Carbon and H²O
Nitrogen and Sulphur
A gas that burns without leaving a residue
LPG
CNG
L.O.
L.H.
2KHCO³➡️____________+H²O+CO²
KCO³
K²CO³
K³CO³
KCO³
LPG was first introduced by
Walter Snelling
Robert Brown
James Scott
Albert Denny
The ray of light striking to the reflecting surface is called:
Incident ray
Reflective ray
Normal
None of these
The angle of incidence is always _______________to the angle of reflection.
Greater
Smaller
Equal
None of these
There are ____ laws of reflection.
Two
Three
Four
Five
The process of banding of seven colours is called:
Dispersion
Spectrum
Reflection
Normal
The image formed by a plane mirror is
Real and inverted
Real and erect
Virtual and inverted
Virtual and erect
Angle of incidence is equal to the angle of reflection.
Always
Sometimes
Under certain conditions
Never
Image formed by a plane mirror is:
Virtual, behind the mirror and enlarged
Virtual, behind the mirror and of the same size as the object
Real at the surface of the mirror and enlarged
Real, behind the mirror and of the same size of the object.
