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How Does Transpiration Pull Help In The Absorption Of Water By Plants?

Transpiration pull is responsible for dragging water at the leaf end, the pull or force is transmitted down to the root through a column of water... View Article

Identify The Correct Sequence Of Path Of Spermatozoa. (A) Seminiferous Tubules → Rete Testis → Vasa Efferentia → Ejaculatory Duct → Vagina Of Female. (B) Seminiferous Tubules → Rete Testis → Vasa Efferentia → Epididymis → Inguinal Canal → Urethra. (C) Seminiferous Tubules → Rete Testis → Vasa Efferentia → Epididymis → Urethra → Vagina Of Female. (D) Seminiferous Tubules → Rete Testis → Vasa Efferentia → Vas Deferens → Epididymis → Ejaculatory Duct → Urethra → Vagina Of Female.

The correct answer is (D) Seminiferous tubules → Rete testis → Vasa efferentia → Epididymis → Vas deferens →... View Article

If The (M+1)Th,(N+1)Th And (R+1)Th Terms Of An A.P. Are G.P. And M, N, R Are In H.P., Then The Value Of The Ratio Of The Common Difference To The First Term Of The A.P. Will Be:

Sol: Let a be the first term. Let d be the common difference of the given AP. As given in the question: (m+1)th,(n+1)th and (r+1)th are in... View Article

Find The Equation Of The Sphere With Centre (3, 6, -4) And Touching The Plane 2x-2y-Z-10 = 0?

Sol: The radius of the sphere = Distance between the centre of the sphere and the point, which the plane touches the sphere Hence, the... View Article

06 Oct 2021: UPSC Exam Comprehensive News Analysis

Oct 6th, 2021, CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS 1. Denmark Prime Minister... View Article

05 Oct 2021: PIB Summary & Analysis

TABLE OF CONTENTS 1. Guduchi (Tinospora cordifolia) 2. National Mission on Edible Oil-Oil Palm (NMEO-OP) 3. Industrial Park Ratings System... View Article

The area of a semicircle of radius 4r is (a) 8πr² (b) 4πr² (c) 12πr² (d) 2πr²

The correct answer is (a) 8πr2 Solution We know that, Area of semicircle = πr2/2 Then, the area of a semicircle of radius 4r is =... View Article

If the radius of a circle is tripled, the area becomes (a) 9 times (b) 3 times (c) 6 times (d) 30 times

The correct answer is (a) 9 times Solution We know that Area of circle = πr2 From the given details we note that The radius of a... View Article

The area of a square is 100 cm². The circumference (in cm) of the largest circle cut of it is (a) 5 π (b) 10 π (c) 15 π (d) 20 π

The correct answer is (b) 10 π Solution Let us assume the side of the square be S. From the given details we note that Area of a square is... View Article

The circumference of a circle whose area is 81πr², is (a) 9πr (b) 18πr (c) 3πr (d) 81πr

The correct answer is (b) 18πr Solution Let us assume R be the radius of circle We know that, area of circle = πR2 81πr2 = πR2... View Article

The perimeter of the figure ABCDEFGHIJ is (a) 60 cm (b) 30 cm (c) 40 cm (d) 50 cm

The correct answer is (a) 60 cm Solution Perimeter of the given figure can be determined as = AB + BC + CD + DE + EF + FG + GH + IH + IJ +... View Article

What is the radius of the largest circle that can be cut out of the rectangle measuring 10 cm in length and 8 cm in breadth? (a) 4 cm (b) 5 cm (c) 8 cm (d) 10 cm

The correct answer is (a) 4 cm Solution From the given details we note that The largest circle that can be cut out of the rectangle measuring... View Article

What will be the area of the largest square that can be cut out of a circle of radius 10 cm? (a) 100 cm² (b) 200 cm² (c) 300 cm² (d) 400 cm²

The correct answer is (b) 200 cm2 Solution From the given details we note that Radius of circle 10 cm. Square has diagonal equal to its... View Article

If radius of a circle is increased to twice its original length, how much will the area of the circle increase? (a) 1.4 times (b) 2 times (c) 3 times (d) 4 times

The correct answer is (d) 4 times Solution We know that, Area of the circle = πr2 Where, r = radius of original circle Then, radius is... View Article

If the sides of a parallelogram are increased to twice its original lengths, how much will the perimeter of the new parallelogram? (a) 1.5 times (b) 2 times (c) 3 times (d) 4 times

The correct answer is (b) 2 times Solution We know that, perimeter of parallelogram = 2 (length + breadth) If the sides of a... View Article

If each side of a rhombus is doubled, how much will its area increase? (a) 1.5 times (b) 2 times (c) 3 times (d) 4 times

The correct answer is (b) 2 times Solution Consider S as the side and h as the height of a rhombus.Area of rhombus = S x h... View Article

12 m² is the area of (a) a square with side 12 m (b) 12 squares with side 1m each (c) 3 squares with side 4 m each (d) 4 squares with side 3 m each

The correct answer is (b) 12 squares with side 1m each Solution Area of square = side × side Area of square of 1 m side = 1 × 1 =... View Article

If p squares of each side 1mm makes a square of side 1cm, then p is equal to (a) 10 (b) 100 (c) 1000 (d) 10000

The correct answer is (b) 100 Solution From the given details we note that, If p squares of each side 1mm makes a square of side... View Article

If 1m² = x mm², then the value of x is (a) 1000 (b) 10000 (c) 100000 (d) 1000000

The correct answer is (d) 1000000 Solution We know that, 1 m = 100 cm 1 cm = 10 mm So, 1 m = 10 × 100 1 m = 1000 mm Then, 1 m2 =... View Article

A table top is semicircular in shape with diameter 2.8 m. Area of this table top is (a) 3.08 m² (b) 6.16 m² (c) 12.32 m² (d) 24.64 m²

The correct answer is (a) 3.08 m2 Solution From the given details we note that Diameter of semicircular shape = 2.8 m So, radius of... View Article

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