List of practice Questions

The two strands in DNA are not identical but are complementary.Explain.

How do you explain the amphoteric behaviour of amino acids ?

What type of bonding helps in stabilising the ∝-helix structure of proteins ?

What is the meaning of “anchoring earth” and “earth cave”?

A grindstone has a moment of inertia of $6 \,kg\, m^2$. A constant torque is applied and the grindstone is found to have a speed of $150\, rpm, 10$ seconds after starting from rest. The torque is

\(If (\frac{(1+i}{1-i})^m=1, \text{then find the least positive integral value of m.}\)

Mahendra calls ghosts or spirits a figment of the imagination. What happens to him on a full-moon night?

AB is a line segment and P is its mid-point. D and E are points on the same side of AB such that ∠ BAD = ∠ ABE and ∠ EPA = ∠ DPB (see Fig). Show that

(i) ∆ DAP ≅ ∆ EBP

(ii) AD = BE

AB is a line segment and P is its mid-point. D and E

What is Gerrard’s profession? Quote the parts of the play that support your answer.

Find the integrals of the function: \(sin\,3x\,cos\,4x\)

Let f(x) be an indefinite integral of $\cos^3 x$ . f(x) is a periodic function of period $\pi$ . $\cos^3 x$ is a periodic function.

Can there be a time temperature graph as follows? Justify you're answer:

time-temperature graph

The torque acting on a body about a given point is given by $ \tau = \overrightarrow{A} \times\overrightarrow{L} $ where $ \overrightarrow {A} $ is a constant vector and $ \overrightarrow {L} $ is the angular momentum of the body about this point. It follows that

A ray of light incident at an angle $\theta$ on a refracting face of a prism emerges from the other face normally. If the angle of the prism is $5^{\circ}$ and the prism is made of a material of refractive index $1.5$, the angle of incidence is

Solve the following query:

from reader,team

What is the minimum number of comparison in place quicksort of 60 70 80 90 100 pivot is the last element?

Taking the first reflection of M₁. If the final image coincides with s, then find n.

Which algorithm sort the array in exactly using 2 swap [4,3,2,1,5]?

Match the following:

List I		List II
1	FIFO	a	Stack
2	Look up op.	b	Queue
3	Last-In first out	c	Hash table

When 3 coins are tossed,what is the prob of getting 2 heads 1 tail intersection 2 tails one head?

Find P(TIS) if P(T') = 0.6 P(SIT)=0.3 P(S(T')=0.3

Let G be the centroid of a-triangle ABC. If $\overrightarrow{AB}=\overrightarrow{a},\overrightarrow{AC}=\overrightarrow{b}$ , then the bisector $\overrightarrow{AB}$ in terms of vectors $\overrightarrow{a}$ and $\overrightarrow{b}$ is

A die is thrown repeatedly. Expected number of throws required until two consecutive throws shows an even number____.

Find P(\(\frac{T}{S}\)) If P(T')=0.6P(SIT)=0.3 P (S(T'))=0.3

If the probability of having boy or girl 0.3, what is probability of getting 2 girls 1 boy?