A radioactive decay can be represented as shown. 91Pa^233 ---> 92U^233 +...... The emitted particle is a/an...? Mcqs

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A radioactive decay can be represented as shown. 91Pa^233 ---> 92U^233 +...... The emitted particle is a/an...?

(A) α-emission
(B) β-emission

(C) γ-emission
(D) Proton

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Light travelling in a straight line ______ when it strikes the surface of another medium....?

(A) Reflects
(B) Refracts

(C) Diffracts
(D) Absorbs

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Accumulation of salts in kidneys results in_________...?

(A) Diabetes
(B) Hypertension

(C) Cancer
(D) Kidney Stone

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Function of restriction enzymes...?

(A) Join DNA fragments
(B) Cut the DNA

(C) Replicate the DNA
(D) Unwind the DNA

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Chloroplast is double membrane bounded organelle have semifluid protein containing membrane called ____...?

(A) Stroma
(B) Nucleus

(C) Mitochondria
(D) Cytosol

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Study of the Universe is known as___________...?

(A) Sociology
(B) Cosmology

(C) Universology
(D) Petology

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High solubility of fertilizers also degrades ecosystem through _____...?

(A) Acidification
(B) Erosion

(C) Salinity
(D) Eutrophication

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What is the rarest blood type in humans...?

(A) O-
(B) O+

(C) AB+
(D) AB-

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Matter exists in______ states....?

(A) One
(B) Three

(C) Five
(D) None of these

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Which one metal belongs to Alkaline earth metal...?

(A) B
(B) Bi

(C) Br
(D) Ba

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