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Who regulates money supply? (a) Government of India (b) Reserve Bank of India (c) Commercial Banks (d) Planning Commission

Reserve Bank of India regulates money supply. Hence, the correct option is (b)... View Article

Meena went to a bank to withdraw Rs.2000. She asked the cashier to give her Rs.50 and Rs.100 notes only. Meena got 25 notes in all. Find how many notes of Rs.50 and Rs.100 she received.

let us consider number of Rs 50 notes = x and number of Rs 100 notes = y Total number of notes she got = 25 notes Hence, Number of Rs 50 notes +... View Article

Write two sources of vitamin C

Vitamin C is also known as ascorbic acid. It is a water soluble vitamin that helps to repair and regenerate tissues. It also protect against... View Article

Stomata in grass leaf are (a) Rectangular (b) Dumb-bell shaped (c) Barrel shaped (d) Kidney shaped

Dumb-bell shaped In plants, there are two shapes of stomata known as kidney shaped and dumb-bell shaped. Narrow leaf blade has dumb-bell shaped... View Article

Who was the first woman ruler of India? (A) Rani of Jhansi (B) Razia Sultan (C) Indira Gandhi (D) Noorjahan

Razia Sultan was the first woman ruler of India. She was the daughter of Shamsuddin Iltumish. Renowned as the first Muslim female ruler of... View Article

In how many ways can five people be distributed in three different rooms if no room must be empty?

Given Total number of persons = 5 We have to arrange 5 people in 3 different rooms Hence, Total number of ways to arrange them = Number of ways... View Article

Which of the following is not the fundamental quantity. (A) mass (B) length (C) velocity (D) time

The quantities that are independent of other quantities are called fundamental quantities and the quantities that are derived using the... View Article

Connecting link between glycolysis and Krebs cycle is/before entering Krebs cycle pyruvate is changed to (a) Oxaloacetate (b) PEP (c) Pyruvate (d) Acetyl CoA

Pyruvate is the end product of glycolysis. Pyruvate formed in glycolysis enters the mitochondrial matrix. It undergoes oxidative decarboxylation... View Article

The x and y coordinates of the particle at any time are x = 5t-2t² and y = 10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t = 2 s is:(A) 0(B) 5 m/s²(C) -4 m/s²(D) -8 m/s²

Given x = 5t - 2t2 y = 10t On differentiating, we get, dx/dt = 5 - 4t dy/dt = 10 Adding equations (1) and (2), we get, a = ax + ay a = -4 + 0 a... View Article

Angle between minute hand and hour hand at 6 O’ clock

The minute hand will be on 12 and hour hand will be on 6 at 6 O'clock. The angle formed is 6/12 of the total number of degrees in a circle i.e... View Article

Explain why ozone is thermodynamically less stable than oxygen

Ozone is thermodynamically less stable because it decomposes into oxygen and this decomposition result in the liberation of heat, so its entropy... View Article

On the given political map of India mark and label the following along with their rivers.(a) Salal Dam(b) Hirakund Dam(c) Sardar Sarovar(d) Tehri Dam(e) Bhakra Dam

Answer: A dam is a barrier that stops the flow of water and results in the creation of a reservoir. Dams are mainly built in order to produce... View Article

Cruciform corolla is characterised by: A. Five fused petals B. Five free sessile petals C. Four diagonally placed clawed petals D. Four medially and laterally placed clawed petals

Answer: C. Four diagonally placed clawed petals... View Article

Prove that: tan^-1x – tan^-1 y = tan^-1 (x-y/1+xy).

Let, tan−1 x = α and tan−1 y = β Thus, we can say; x = tan α y = tan β Hence, proved.... View Article

In a permanent magnet at room temperature: A. Magnetic moment of each molecule is zero. B. The individual molecules have non-zero magnetic moments which are all perfectly aligned. C. Domains are partially aligned. D. Domains are all perfectly aligned.

Answer: C.Domains are partially aligned.... View Article

According to ohms law: A) Current will increase by increasing voltage in circuit B) Resistance will increase by increasing voltage in circuit C) Resistance will increase by increasing current in circuit D) Resistance and current both will increase by increasing voltage

Answer: A) Current will increase by increasing voltage in circuit Ohms law, V = IR... View Article

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