If the system of equations 2x + 3y + 5 = 0, x + ky + 5 = 0, kx — 12y — 14 = 0 has non-trivial solution, then the value of k is 

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#Question id: 14477

#Section 1: Engineering Mathematics

Probability of a card drawn at random from an ordinary pack of cards to be club card is

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#Question id: 3005

#Section 2: General Biology

Which of the following statement are incorrect?

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#Question id: 3363

#Section 3: Genetics, Cellular and Molecular Biology

An autosomal recessive condition affects 1 newborn in 100 in a random mating population without any disruptive acting force. What is the approximate expected frequency of carriers in this population?

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#Question id: 18836

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is/are not a component of a polymerase chain reaction mixture?

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#Question id: 13001

#Section 2: General Biology

Which of the following is incorrect 

a) antiparallel β sheets are frequently found and they are quite more stable because of more no. hydrogen bond presence and linear H bonding pattern.

b) antiparallel β sheets are frequently found and they are quite more stable because of more no. hydrogen bond presence and having distorted H bonding pattern.

c) parallel β sheets are relatively less stable and mostly found in core of protein.

d) parallel β sheets are relatively more stable and mostly found in core of protein.