Recent questions tagged eamcet

If $2x^2-3xy+y^2+x+2y-8=0$, then $\large\frac{dy}{dx}$ is equal to

asked Oct 26, 2013 by meena.p

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If $f(x)= \left\{ \begin{array}{1 1} \frac{\sin(1+[x])}{[x]}, & \quad for\;[x] \neq 0 \\ 0, & \quad for\;[x] =0 \end{array} \right. $ where $[x]$ denotes the greatest integer not exceeding x, then $\lim \limits _{x \to 0} f(x)$ is equal to

asked Oct 26, 2013 by meena.p

1 answer

Study the following lists

asked Oct 26, 2013 by thanvigandhi_1

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If $f(x)= \left\{ \begin{array}{1 1} x-5, & \quad for\; x \leq 1 \\ 4x^2-9, & \quad for\;1 < x < 2 \\ 3x+4, &\quad for\; x \geq 2 \end{array} \right.$ then $f'(2^{+})$ is equal to

asked Oct 26, 2013 by meena.p

1 answer

A student observed 31 Quisqualis plants each with 36 nodes, 15 Hibiscus plants each with 21 nodes and 77 Calotropis plants each with 11 nodes. All these plants contains leaves at every node. What will be the total number of leaves of these three plants put together?

asked Oct 26, 2013 by thanvigandhi_1

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$\lim \limits_{x \to 2} \large\frac{e^x-e^{\sin x}}{2(x- \sin x)}$

asked Oct 26, 2013 by meena.p

1 answer

The area (in square unit) of the triangle formed by the points with polar coordinates $(1,0), \bigg(2,\large\frac{ \pi}{3}\bigg)$ and $\bigg(3,\large\frac{2 \pi}{3}\bigg)$ is

asked Oct 26, 2013 by meena.p

1 answer

If the line $lx+my=1$ is normal to the hyperbola

asked Oct 26, 2013 by meena.p

1 answer

Study the following lists

asked Oct 26, 2013 by thanvigandhi_1

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Trace the correct sequence of stages in the development of male gametophyte in Cycas, starting from microspore :

asked Oct 26, 2013 by thanvigandhi_1

1 answer

A male branch of Funaria has ten antheridia and produced a sum total of 1400 spermatozoids. What is the number of androcyte mother cells in each antheridium assuming each of the antheridia has the same number of androcytes?

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Two filaments of spirogyra aplanospora are observed. One of the filaments has 150 cells another contains 225 cells. If all the cells in both the filaments are involved in asexual reproduction, what is the ratio of new filaments developed from them?

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Study the following statements

asked Oct 26, 2013 by thanvigandhi_1

1 answer

The number of $F_2$ plants found similar to $F_1$ phenotype and genotypes, respectively in a total of 128 plants in $F_2$ progeny of a Mendelian dihybrid cross :

asked Oct 26, 2013 by thanvigandhi_1

1 answer

In a hydrophyte, the submerged leaves compensate for the roots. That plant belongs to the category of

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Identify the plant having both spongy petiole and submerged assimilatory roots

asked Oct 26, 2013 by thanvigandhi_1

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Identify the following plants with reference to the number of phloem strands in their roots :

asked Oct 26, 2013 by thanvigandhi_1

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Study the following combinations and identify the correct matches

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Which of the following disease is caused by a fungus?

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Single cell protein produced from one of the following microbes is rich in methionine :

asked Oct 26, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 26, 2013 by thanvigandhi_1

1 answer

The value of k , if (1,2),(k,1) are conjugate points with respect to the ellipse $2x^2+3y^2=6$ is

asked Oct 25, 2013 by meena.p

1 answer

For the parabola $y^2+6y-2x+5=0$(I) The vertex is (-2,-3) (II) The directrix is y+3=0

asked Oct 25, 2013 by meena.p

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The condition for the coaxial system $x^2+y^2+2 \lambda x +c=0,$ where $\lambda$ is a parameter and c is a constant to have distinct limiting points, is

asked Oct 25, 2013 by meena.p

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The inverse point of (1,2) with respect to the circle $x^2+y^2-4x-6y+9=0$ is

asked Oct 25, 2013 by meena.p

1 answer

Study the following lists

asked Oct 25, 2013 by thanvigandhi_1

1 answer

From the phytohormones given below, identify the pairs which have mutually opposite influence on seed germination , stem elongation and stomatal movement respectively :

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The nucleotide sequence on antisense strand of DNA which is transcribed as codon that specifies the amino acid serine is

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The equation of the circle of radius 3 that lies in the fourth quadrant and touching the lines x=0 and y=0 is

asked Oct 25, 2013 by meena.p

1 answer

Assertion (A) : Reduced coenzyme formed in the oxidation of isocitric acid accounts for more ATP production in electron transport than the reduced coenzyme formed in succinic acid oxidation. Reasons (R) : In the reoxidation of mitochondrial NADH, the number of protons translocated from matrix to intermembrane space is less than the protons translocated when $FADH_2$ is oxidized.

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The number of ATP required in excess to assimilate atmosphere $CO_2$ to four molecules of triose phosphates in $C_4$ plants as compared to $C_3$ plants is

asked Oct 25, 2013 by thanvigandhi_1

1 answer

If 8 molecules of Ribulose 1, 5-bisphosphate molecules are oxygenated by RUBISCO, how many PGA molecules are ultimately available to PCR cycle in photosynthetic carbon oxidation cycle?

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The cosine of the angle A of the triangle with vertices $A(1,-1,2), B(6,11,2),C(1,2,6)$ is

asked Oct 25, 2013 by meena.p

1 answer

A student has taken 6000 molecules of Fructose 1, 6-bisphosphate and 2 molecules of Aldolase into an enzyme reaction mixture to determine its activity. After 5 minutes, 50% substrate was found converted into products. Then, what is the TON of Aldolase and the total number of trioses formed by the enzyme action at the end of 5 minutes?

asked Oct 25, 2013 by thanvigandhi_1

1 answer

Study the following combinations and identify the correct matches related to the role of essential mineral elements in plants :

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The ratio in which yz - plane divides the line segment joining $(-3,4,-2)$ and $(2,1,3)$ is

asked Oct 25, 2013 by meena.p

1 answer

The number of stomata and epidermal cell in $ 1 mm^2$ area of abaxial surface of the leaves of A, B , C and D plants are given below. Identify the plant having the least stomatal index :

asked Oct 25, 2013 by thanvigandhi_1

1 answer

If the lines $x^2+2xy-35y^2-4x+44y-12=0$ and $5x+\lambda y-8=0$ are concurrent, then the value of $\lambda$ is

asked Oct 25, 2013 by meena.p

1 answer

Study the following table showing the components of water potential of three mesophyll cells - A,B and C

asked Oct 25, 2013 by thanvigandhi_1

1 answer

The angle between the pair of straight lines formed by joining the points of intersection of $x^2+y^2=4$ and $y=3x+c$ to the origin is a right angle. Then $c^2$ is equal to

asked Oct 25, 2013 by meena.p

1 answer

In the triangle with vertices at $A(6,3),B(-6,3)$ and $C(-6,-3)$ the median through A meets BC at P, the line AC meets the x-axis at Q,while R and S respectively denote the orthocenter and centroid of the triangle. Then the correct matching of the coordinates of points in List -I to List - II is

asked Oct 25, 2013 by meena.p

1 answer

If $A(2,-1)$ and $B(6,5)$ are two points the ratio in which the foot of the perpendicular from (4,1) to AB divides it, is

asked Oct 25, 2013 by meena.p

1 answer

Study the following lists with reference to transmission of viral diseases

asked Oct 25, 2013 by thanvigandhi_1

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The angle between the line joining the points $(1,-2),(3,2)$ and the line $x+2y-7=0$ is

asked Oct 25, 2013 by meena.p

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Which of the following pair is correct?

asked Oct 25, 2013 by thanvigandhi_1

1 answer

In order to eliminate the first degree terms from the equation $2x^2+4xy+5y^2-4x-22y+7=0,$ the point to which origin is to be shifted, is

asked Oct 25, 2013 by meena.p

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Study the following lists

asked Oct 25, 2013 by thanvigandhi_1

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The probability distribution of a random variable X is given by

asked Oct 25, 2013 by meena.p

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The mean and standard deviation of a binomial variate x are 4 and $\sqrt 3$ respectively. Then $P( X \geq 1)$ is equal to

asked Oct 25, 2013 by meena.p

1 answer

A bag contains 6 white and 4 black balls. Two balls are drawn at random. The probability that they are of the same colour, is

asked Oct 25, 2013 by meena.p

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