Category: GATE Biotechnology Previous Year Papers with Solutions

Q.15 Which one of the following is an example of a neurotoxin?(A) Cholera toxin(B) Streptolysin-O(C) Botulinum toxin(D) Diphtheria toxin Botulinum toxin is the example of a neurotoxin among the given […]

Q.14 If a segment of a sense strand of DNA is 5′-ATGGACCAGA-3′, then the resulting RNA sequence after transcription is (A) 5′-AGACCAGGTA-3′ (C) 5′-UACCUGGUCU-3′ (B) 5′-UCUGGUCCAU-3′ (D) 5′-AUGGACCAGA-3′ The correct […]

Q.13 The repeat sequence of telomere in humans is (A) 5′-TATAAT-3′ (B) 5′-TTAGGG-3′ (C) 5′-GGGCCC-3′ (D) 5′-AAAAAA-3′ Answer: (B) 5′-TTAGGG-3′ The repeat sequence of telomeres in humans is 5′-TTAGGG-3′, repeated […]

Q.12 If serum is removed from the growth medium of human embryonic kidney cell line (HEK),then the cells will(A) proliferate faster(B) proliferate normally(C) undergo cell cycle arrest(D) undergo immediate apoptosis […]

Q.11 Consider an unfair coin. The probability of getting heads is 0.6. If you toss this coin twice,what is the probability that the first or the second toss is heads?(A) […]

Q.10 In a detailed study of annual crow births in India, it was found that there was relatively nogrowth during the period 2002 to 2004 and a sudden spike from […]

Q.9 If 𝑥2 + 𝑥 − 1 = 0 what is the value of 𝑥4 + 1/𝑥4 ? (A) 1          (B) 5         (C) […]

Q.8 To pass a test, a candidate needs to answer at least 2 out of 3 questions correctly. A total of6,30,000 candidates appeared for the test. Question A was correctly […]

Q.7 A set of 4 parallel lines intersect with another set of 5 parallel lines. How manyparallelograms are formed?(A) 20  (B) 48   (C) 60   (D) 72 Introduction When two sets […]

Q.6 An automobile travels from city A to city B and returns to city A by the same route. Thespeed of the vehicle during the onward and return journeys were […]