$\qquad\frac{4(x-3)}{6} - \frac{x}{2} = 2$$\implies \frac{2(x-3)}{3} - \frac{x}{2} = 2$$\implies \fr...

The first district has 35 sq. miles and on population of 390 people.$\qquad$(i.e) $35 \times 390 \fr...

Let the numbers be $x$ and $x+1$$\therefore x + 2(x+1) = 80$$\implies 3x + 2 = 80$$\implies \qquad 3...

2 meters = 200 cm$\therefore \frac{0.2}{200} \times 100$$\qquad = 0.1 \%$

Monday = 90 minutes = 1.5 hours Tuesday = 2 hours Thursday = 2 hoursFriday = 1 hourSaturday = 2 hour...

$x^2 + y^2-8x + 4y+5=0$. This equation can be written as $(x-4)^2 - 16 + (y+2)^2 - 4 + 5 =0$$\implie...

$x^2 = y ---(1)$$y^2 = x^2 ---(2)$squaring the equation (1), we get $x^4 = y^2$substituting this in ...

$2x^2 - 3x + 1 = 2x^2 -2x -x+1$$\qquad = 2x(x-1) - 1(x-1)$$\qquad = (2x-1)(x-1)$$2x^2 -3x+1 \div (2x...

$2x^2 - 4x+1 = 2(x^2 - 2x + \frac{1}{2})$$\qquad = 2(x-1)^2- 2 + \frac{1}{2}$$\qquad = 2(x-1)^2 - \f...

$y = a(x+3)(x-4)\;\;$ cross the $x$-axis at the points $(-3,0)$ and (4,0)$.Hence the $x$ coordinate ...

The factors of $-42$ can be $-6,7$ and $-7,6$Also, $\; \; -7 + 6 = -1$Hence, $\; \; x^2 -7x + 6x -4...

$x + y + 2x-y=180^{\circ}$, because they form a linear pair. But $2x - y = 45^{\circ}$$\therefore x ...

If $x-b$ is a factor of $f(x)$ then $f(b)$ should be equal to 0.It is clear from the table that $f(4...

The $x$ intercept is the $x$-coordinate of the point on the line that intersects the $x$-axis and th...

If the system of equation has no solution, then $\frac{a_1}{a_2} = \frac{b_1}{b_2} \neq \frac{c_1}{c...

Since $(p,q)$ is a point on the line,$q = (p) m + 5 $$q-5 = pm$$\therefore \frac{q-5}{p} = m$

$x + 3y = 15 ----(1)$$2x + y = 9 ----(2)$From equation (1) we can infer that $x = 15-3y$. Substituti...

$\frac{2x}{3} = \frac{x+5}{3}$$\implies 2x = x + 5$$\implies x = 5$

* No synchronization between pollen release and stigma receptivity.* Position of anther and stamens ...

Apospory

False fruit: A fruit in which thalamus contributes for the formation of the fruit.True fruit: A frui...

Non albuminous: A seed in which there is no residual endosperm as it is completely consumed during e...

The cells of the sporogenous tissue undergo meiotic divisions to form microspore tetrads. The proces...

In majority of flowering plants, one megaspore is functional while the three degerate. Only the func...

Pollination does not ensure that the right kind of pollen would land on the stigma. Often, pollen of...

Characteristics of Wind pollinated flowers: (Anemophilous flowers)* Flowers are small and inconspicu...

Contrivances for cross pollination:(i) Unisexuality: Flowers are unisexual . Plants may show monoecy...

https://clay6.com/mpaimg/116_A.jpga. Filiform apparatus b. Polar nuclei + male gametec. Egg cell d. ...

https://clay6.com/mpaimg/115_A.jpg Embryos of monocotyledons have only one cotyledon. The cotyledon ...

https://clay6.com/mpaimg/114_A.jpg

Even after killing the generative cell with a laser beam, the pollen grain of a flowering plant germ...

Water inside the fruit - 3nSeed coat - 2nEmbryo - 2n

The fusion involving two polar nuclei and a sperm nucleus that occurs in double fertilization in a s...

Wheat, maize, barley, castor and sunflower show persistent nucellus. Perisperm is the term given.

The condition in which the metabolism activity slows down and embryo enters an inactive state is cal...

* Seed formation is a more dependable process.* It is a better, adaptive strategy for dispersal of n...

The primary endosperm cell divides repeatedly and forms the triploid endosperm tissue. The cells of ...

Pollination refers to the transfer of pollen grains from the anther to the stigma of a pistil.Kinds ...

Syngamy : One male gamete + Egg cell zygote (2n)Triple fusion : Second male gamete + Polar nuclei (P...

Pollen grain represents the male gametophyte. Generally pollen grains are spherical in shape measuri...

A typical microsporangium appears near circular in the outline in its transverse section. It is made...

https://clay6.com/mpaimg/113_A.jpgMeiotic divisions occurs during the formation of gemetes.Pollen gr...

In Vallisneria, the female flower reaches the surface of water by a long stalk and male flowers or p...

https://clay6.com/mpaimg/112_A.jpg

It is one of the major approach of crop improvement programme. In such crossing experiments, it is i...

The process of formation of megaspore from the megaspore mother cells is called megasporogenesis. A ...

After entering one of the synergids, the pollen tube releases two male gametes into the cytoplasm of...

(i) Pollen release and stigma receptivity are not synchronized. Either pollen is released before sti...

If hybrids are made into apomicts, there is no segregation of characters in hybrid progeny. Then the...

Pollination prevents abscission of ovary. Auxins from pollen grains lead to initial development of o...