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A rational number between 1/4 and 1/3 is a) 16/48 b) 13/48 c) 7/24 d) All the above

Option d) All the above. 1/4=6/24=12/48 1/3=8/24=16/48 From this, we can see 7/24,13/48,16/48 all lie between 1/4 and 1/3... View Article

A footpath of uniform width runs all around the inside of rectangular field 50m long and 38m wide. If the area of the path is 492m ^2, find its width?

Let the width of footpath=x The total area of rectangle ABCD = area of footpath + area of EFGH 50×38 =... View Article

Statement: When 2-butyne reacts with triethylamine followed by Br2 then meso-2,3-dibromobutane is produced. State true or false.

The given statement is false. 2-butyne is partially reduced with sodium in liquid ammonia to obtain 2-butene. A molecule of bromine is then added... View Article

Classify the following diseases as infectious or non-infectious: (a) High blood pressure (b) Pneumonia (c) AIDS (d) Cancer (e) Heart disease (f) Tuberculosis (g) Cholera

AIDS, cholera, tuberculosis, and pneumonia are classified as infectious diseases. High blood pressure, heart disease, and cancer are classified... View Article

Plumule is covered by a) Coleoptile b) Root cap c) Hypocotyl d) Coleorhiza

Option a) Coleoptile. Coleoptile is the protective sheath that is covering the shoot in monocotyledons. Plumule is covered by coleoptile.... View Article

Give orbital diagram of the following : methane

The type of hybridization involved with methane (CH4) is sp3. Methane features combination of 1 carbon and 4 hydrogen atoms. The orbital... View Article

A place has very scanty rainfall, the dominant plants there may be a) Asparagus b) Numphaea c) Opuntia d) both (b) and (c)

Option d) both (b) and (c). Xerophytes are the plants that grow in dry or in places where the availability of water is negligible.... View Article

The mass number of a nucleus is equal to the number of a) neutrons it contains b) electrons it contains c) nucleons it contains d) protons it contains

Option c) nucleons it contains.... View Article

Littoral forests occur a) On hills b) At elevated places c) Along the sea coasts and tidal creeks d) Where the rainfall is heavy

Option c) Along the sea coasts and tidal creeks. Littoral forests are also known as wetland forests. Littoral forests are mainly found in... View Article

oxyhydrogen flame is used for welding and cutting metals give reasons

Oxyhydrogen is used in torches to process refractory materials and is used for welding. An oxyhydrogen torch is an oxy-gas torch that burns... View Article

Give reasons or explain: utility is a subjective concept

Utility is defined as the satisfaction the consumer expects from the consumption of particular goods. Utility is relative and differs from person... View Article

Explain why BF3 behaves as a lewis acid

Boron trifluoride (BF3) is an electron-deficient chemical that can accept electron pairs, hence it behaves as Lewis acid. As we know the... View Article

Why do you think we need the government to find solutions to many disputes or conflicts?

The government represents the country and the constitutional system. When conflicts happen, people may use violent means to settle their... View Article

How many District consumer courts/councils are there in India? a) 320 b) 610 c) 111 d) 756

Option b) 610. There are 610 District Forums, 35 State Commissions with an apex body as a National Consumer Disputes Redressal Commission (NCDRC).... View Article

P is the LCM of 2,4,6,8,10, Q is the LCM of 1,3,5,7,9 and L is the LCM of P and Q. Then, which of the following is true? a) L=4Q b) L=16Q c) L=63P d) L=21P

Option d) L=21PP is the LCM of 2,4,6,8,10P=3(8)(5)Q is the LCM of 1,3,5,7,9Q=5(7)(9)L is the LCM of P, Q.Therefore,L=3(8)(5)21 or 5(7)(9)8, i.e.,... View Article

The spectrum of helium is expected to be similar to that of: a) He+ b) Li+ c) H d) Na

Option b) Li+. Since the number of electrons in Li+ and He=2. The spectrum will be the same for both.... View Article

The solution in which the color of the litmus paper does not change a) Acidic solution b) Highly acidic solution c) Basic solution d) Neutral solution

Option d) Neutral solution. The solution which has pH = 7 is known as a neutral solution. It is neither acidic nor basic.... View Article

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