Quiz 14- Biology-General Studies: General Knowledge Question & Answers

131 Q) "Assertion (A) DDT is found highly concentrated in plants than secondary consumers. 
Reason (R) DDT is non-degradable and shows the biological magnification phenomenon."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

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D

132 Q) Which one among the following vitamins is necessary for blood clotting?

(a) Vitamin A
(b) Vitamin D
(c) Vitamin K
(d) Vitamin C

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C

133 Q) "Fluid Mosaic model" proposed by Singer and Nicholson is mainly concerned with

(a) ribosomes
(b) cytoplasm
(c) cell wall
(d) nlasma membrane

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D

134 Q) "Cancer is more common in older people because "

(a) their immune systems have degenerated
(b) the supply of certain hormones declines with age
(c) their bodies are unable to adjust to the changing environment
(d) they have accumulated more mutations

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D

135 Q) "Select the correct answer 
I. National institute of Immunology (Nil). II. International Centre for Genetic Engineering and Biotechnology (ICGEB). III. National centre of Plant Genomic Research (NCPGR). 
Which of the Institutes given above is/are located in “New Delhi”?"

(a)Only I
(b) All of these
(c) II and III
(d) Only II

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B

                       
136 Q) Which one among the following is the rarest amino acid in nature?

(a) Tryptophan
(b) Alanine
(c) Phenylalanine
(d) Aspartic acid

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A

137 Q) The classification of Engler and Prantl is one which is based on

(a) morphology of organisms
(b) utilitarian system
(c) habits of organisms
(d) common evolutionary descent

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D

138 Q) "Assertion (A) Hashimoto disease is caused by hyposecretion of parathormone. 
Reason (R) Excess IgG and IgE are produced in hashimoto disease."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

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D

139 Q) "Assertion (A) In descending loop of Henle, the urine is hypertonic while in ascending loop, the urine is hypotonic. 
 Reason (R) Descending loop is impermeable to Na+ while ascending is impermeable to water."

(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true

Show Answer

A

140 Q) "Select the correct answer 
I. Sucrose II. Glycogen III. Chitin 
Which of the carbohydrates given above is/are reducing sugar?"

(a) I and II
(b) II and III
(c) All of these
(d) Only II

Show Answer

C

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