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Oxysome of mitochondria are concerned with (a) Photophosphorylation (b) Oxidative phosphorylation (c) Photorespiration (d) Digestion

Oxysome of mitochondria are concerned with oxidative phosphorylation. The inner membrane of mitochondria has oxysomes. Through the process of... View Article

Where does Hen live?

Hen lives in coop. Hence, the shelter name of the hen is 'coop'... View Article

The motile bacteria are able to move with the help (a) Fimbriae (b) Flagella (c) Cilia (d) Pili

The motile bacteria are able to move by flagella. Hence, the correct option is (b) Learn more: Flagella... View Article

What is the abstract noun of speak?

The abstract noun of speak is 'speech'.... View Article

Which of the following is not a linear equation? (a) 5 + 4x = y + 3 (b) x + 2y = y – x (c) 3 – x = y² + 4 (d) x + y = 0

Linear equations are equations of the first order. These equations are defined for lines in the coordinate system. An equation for a straight... View Article

From the top of 7m high building, the angle of elevation of the top of a cable tower is 60⁰ and the angle of depression of its foot is 45⁰. Determine the height of the tower

Let us assume that AB be the building of height 7 m EC be the height of the tower. A is the point from where elevation of tower is 60° and... View Article

Which layer of the atmosphere is rich in ozone that absorbs ultraviolet radiation from the sun? (a) Exosphere (b) Troposphere (c) Stratosphere (d) None of these

The very critical ozone layer is found in the stratosphere. The ozone layer protects us from the sun’s ultraviolet radiation (UV). The... View Article

A 50 kg girl wearing high heel shoes balances on a single heel. The heel is circular with a diameter of 1.0 cm. What is the pressure exerted by the heel on the horizontal floor?

Given Radius of the heel, r = d/2 = 0.005 m Mass of the lady, m = 50 kg Area of the heel, A = πr2 = π (0.005)2 We get, = 7.85 x 10-5 m2... View Article

Prove that 5 – √3 is irrational

Let us assume that 5-√3 is rational So, we can write the given number in the form of p/q ⇒ 5 - √3 = p/q ⇒ - √3 = p/q... View Article

Multiplicative identity of whole number is given by (A) 1 (B) 0 (C) Both 0 and 1 (D) None

According to the identity property of multiplication, the product of any number multiplied by 1 is the number itself. Example: 14 x 1 = 14... View Article

Lemon plants are herb shrub or trees?

Lemon plants are shrubs. Shrubs are medium-sized, woody plants taller than herbs and shorter than a tree. Their height usually ranges between 6m... View Article

What problems did shifting cultivators face under British rule?

British always had problems with shifting cultivators, as they were always moving for pasture lands. The British wanted the shifting cultivators... View Article

Why should we not eat stale or uncovered food?

Stale or uncovered food holds a lot of harmful bacteria which may cause diseases to our body. Hence, we should avoid eating stale or uncovered... View Article

The material similar to silk in appearance is (a) Nylon (b) Rayon (c) Polyester (d) Terylene

The material similar to silk in apperance is 'Rayon'. Rayon is obtained by chemical treatment of wood pulp. It is cheaper than silk and can be... View Article

Human urine is usually acidic because (A) Sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries (B) Excreted plasma proteins are acidic (C) Potassium and sodium exchange generates acidity (D) Hydrogen ions are actively secreted into the filtrate

Human urine is usually acidic because hydrogen ions are actively secreted into the filtrate. Therefore, the correct answer is option (D) ... View Article

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