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What shape are the faces of a cube? (A) Circle (B) Triangle (C) Square (D) Pentagon

Square A cube is one of the simplest shapes in three-dimensional space. All the six faces of a cube are squares Hence, the correct option is (C)... View Article

In a certain code language, ‘134’ means ‘good and tasty’ ‘478’ means ‘see good pictures’ and ‘729’ means ‘pictures are faint’ Which of the following digits stands for ‘see’? (A) 9 (B) 2 (C) 1 (D) 8

Here, 4 is the common code digit and good is the common word in the first and second statements. So, 4 stands for good 7 is the common code... View Article

In CGS system, unit of resistivity is (A) Ohm-cm (B) Ohm-meter (C) Coulomb-Joule (D) Coulomb cm^-1

Resistivity of a material ρ = RA/l If all quantities are expressed in SI units, then Unit of ρ = Ohm m2/m Unit of ρ = Ohm-m We... View Article

Wightman cup is associated with which of the following games? (A) Hockey (B) Cricket (C) Football (D) Tennis

Wightman Cup is associated with tennis game. Hence, the correct option is (D)... View Article

Mitotic poison is (A) Nitrate (B) Carbon dioxide (C) Colchicine (D) Trehalose

Colchicine Colchicine is one of the mitotic or spindle poison which inhibits the formation of metaphase plates. Hence, the correct option is (C)... View Article

The type of bond between atoms of potassium and chloride in a crystal of potassium chloride is (A) hydrogen bond (B) ionic bond (C) polar covalent bond (D) pure covalent bond (E) metallic bond

Ionic bond Due to the formation of ionic bond between potassium and chlorine atom, potassium chloride is formed. The bond formation is ionic in... View Article

Bosch process is used for large scale production of hydrogen. Write balanced reaction

The balanced reaction can be written as follows... View Article

The gills of mushroom (A) Bear spores which help in reproduction (B) Help in nutrition (C) Help in respiration (D) Help in enhancing buoyancy

Bear spores which help in reproduction The gills of mushroom produce spores which help in the process of reproduction. The gills of mushroom... View Article

Phenol is also called (A) Salicylic acid (B) Benzyl alcohol (C) Carbolic acid (D) Salol

Carbolic acid Phenol is generally used by the name carbolic when it is used as a disinfectant. It is acidic in nature and it contains −OH... View Article

Payment in accordance with the apparent tenor of bill is called as __________ (A) Payment of bill (B) Encashment of bill (C) Honour of bill (D) Dishonour of bill

Honour of bill When the acceptor of the bill pays the amount specified in the bill on the due date, it is known as honouring the bill... View Article

At its melting point ice is lighter than water because (A) H2O molecules are more closely packed in solid state (B) Ice crystals have hollow hexagonal arrangement of H2O molecules (C) On melting of ice the H2O molecule shrinks in size (D) Ice forms mostly heavy water on first melting

Ice crystals have hollow hexagonal arrangement of H2O molecules In the structure of ice, each molecule of H2O is surrounded by three H2O... View Article

Factorise: p^4 – 81 (A) (p^2 + 9) (p^2 – 9) (B) (p^4 – 27^4) (C) (p^3 – 3^3) (D) (p^4 – 3)

Given p4 - 81 This can be written as, = p4 - (3)4 = (p2)2 - (32)2 {Using (a2 - b2 = (a + b) (a - b)} = (p2 + 32) (p2 - 32) = (p2 + 9)... View Article

Fill in the blank with a suitable preposition. She will start working for our company __________ September (A) on (B) from (C) for (D) to

From The preposition 'from' is used to indicate the beginning of an action or an event. Therefore, the correct sentence will be as ' She will... View Article

D.K. Basu guideline include ____________ (A) The police official should wear, accurate and visible name tags with their identifications (B) A memo of arrest should be prepared at the time of arrest (C) Both (a) and (b) (D) None of these

Both (a) and (b) The Supreme Court of India sets specific requirements and procedures that the police and other agencies have to follow for the... View Article

76 ladies complete a job in 33 days. Due to some reason some ladies did not join the work and therefore it was completed in 44 days. The number of ladies who did not report for the work is (A) 17 (B) 18 (C) 19 (D) 20

Number of days required to complete the work = 76 x 33 = 2508 days Let us consider x ladies did not report for work Then (76 - x) x 44 = 2508... View Article

Why are the houses in Rajasthan painted white?

White colours are reflectors of heat. Hence, Rajasthan being a very hot city, has houses with their walls painted white so that most of the heat... View Article

Define the term calorie. How is it related to joule? (A) The amount of energy requires to raise the temperature of 1 gram of water by 1 degree celsius, 1 cal = 4.18 J (B) The amount of energy requires to raise the temperature of 1 gram of water by 1 kelvin, 4.18 Cal = 1 J (C) The amount of energy requires to raise the temperature of 1 gram of water by 1 Fahrenheit, 4.18 Cal = 1 J (D) The amount of energy requires to raise the temperature of 1 gram of ether by 1 degree celsius, 1 cal = 4.18 J

The amount of energy requires to raise the temperature of 1 gram of water by 1 degree celsius, 1 cal = 4.18 J The energy needed to raise the... View Article

Statement: The amorphous solids are isotropic.State whether the given statement is true or false(A) True(B) False

True The amorphous solids are an isotropic. They have the identical physical properties in all directions due to irregular arrangement. However,... View Article

Name the deficiency diseases caused due to deficiency of (i) Iodine (ii) Vitamin B2 (iii) Vitamin D (iv) Fluorine (v) Vitamin C (vi) Vitamin A (vii) Vitamin B12 (viii) Iron

(i) Iodine - Goitre, enlarged thyroid gland(ii) Vitamin B2 - retarded growth, bad skin(iii) Vitamin D - Rickets in children and osteomalacia in... View Article

Mark three non-collinear points A, B and C in your note book. Draw lines through these points taking two at a time. Name these lines. How many such different lines can be drawn?

It is given that the three collinear points are A, B and C We know that three lines namely AB, BC and AC can be drawn using these points.... View Article

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