Isotopes of an element have the same number of _______...? Mcqs

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Isotopes of an element have the same number of _______...?

(A) Neutrons
(B) Protons

(C) Electrons
(D) Beta rays

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The study of organisms and their environment is known as ________...?

(A) Acoustics
(B) Ecology

(C) Ichthyology
(D) None of these

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Navigation satellites are used for _____...?

(A) Space exploration
(B) Mapping

(C) Provide weather forecasting
(D) Identify location of objects on Earth

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Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer....?

(A) January – July
(B) June – December

(C) July – January
(D) December – June

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“Ornithology” is the study of_____________...?

(A) Birds
(B) Insects

(C) Sea Plants
(D) Sea Animals

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When the angle of refraction is 90° and the refractive index for water is 1. 33, the critical angle is ______...?

(A) 48.8°
(B) 50.0°

(C) 49.1°
(D) 51.0°

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Equator passes through one of these countries___________...?

(A) Saudi Arabia
(B) Italy

(C) Japan
(D) None

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Photosynthesis takes place in presence of the following light...?

(A) Only in green light from sun
(B) Only in sunlight from the sun

(C) Only in high intensity of light from the sun
(D) In visible light obtained from any source

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Special type of movement of specific substances through carrier protein is _____...?

(A) Facilitated diffusion
(B) Active transport

(C) Passive transport
(D) Osmosis

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Which is used in genetic engineering because of its ability to multiply in shortest span of time...?

(A) Virus
(B) Bacteria

(C) Algae
(D) Fungi

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