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... View Article
Latest Posts
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... 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... 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... 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 to... 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 =... 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... 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... 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.... View Article
What are the various activities undertaken in the primary secondary, secondary sector and tertiary sector?
The various activities that come under the primary, secondary and tertiary sector are as follows: Primary Sector: Agriculture, forestry, animal... View Article
What is diffusion and on what factors rate of diffusion depends?
Diffusion is the movement of molecules from higher concentration region to a lower concentration region under a concentration gradient. The... View Article
A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there?
Given, a coin is tossed three times. For each toss, the number of outcomes will be 2 i.e. Heads and... View Article
The latest discovered state of matter is: A. Solid B. Liquid C. Plasma D. Bose-Einstein condensate
Answer: D. Bose-Einstein condensate
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
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 =... 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.
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
Find the equation of the line passing through the points P(5,1) and Q(1,−1).
Given, the two points are P(5,1) and Q(1,−1). By the formula of slope of a line (m), when two points... View Article
Explain oxygen cycle in detail.
The oxygen cycle is a biological process which helps in maintaining the oxygen level by moving through three main spheres... View Article
