Which of the following device is used to measure humidity?
(A) Hydrometer
(B) Hygrometer
(C) Psycho Meter
(D) Anemometer
Speed of sound is greater in solids than in liquids because
(A) The atoms in solids are regularly arranged
(B) The atoms in liquids are loosely packed
(C) The solids have high elasticity
(D) None of the above
Optic fibers are mainly used for which of the following?
(A) Communication
(B) Weaving
(C) Musical instruments
(D) Food industry
Which of the following instrument is used to measure Soil Water Tension?
(A) Photometer
(B) Pyrometer
(C) Psychrometer
(D) Tensiometer
The sweetest sugar is
(A) sucrose
(B) glucose
(C) fructose
(D) lactose
Which of the following is skin disease?
(A) Anaemia
(B) Pellagra
(C) Osteomalacia
(D) Rickets
Buoyant Force depends on
(A) Size of the body
(B) Size of Volume
(C) Density of liquid
(D) All the above
Which of the following is used to measure obesity?
(A) PMI
(B) BMI
(C) AMI
(D) KMI
What does PSLV stand for ?
(A) Polar Sunlight Launch Vehicle
(B) Polar Space Launch Vehicle
(C) Polar Satellite Launch Vehicle
(D) Public Satellite Launch Vehicle
Study of birds is called?
(A) Ornithology
(B) Entomology
(C) Birdology
(D) Herpetology
1. Ornithology is a branch of zoology that studies birds. It studies different species of birds, their size, shape, colour, behaviour, habitat, reproduction and other aspects.
2. Ornithologists use a variety of methods to collect information about birds, such as field surveys, bird watching, studying bird behavior, and studying fossils.
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