What will happen if two different alkyl halides are taken in Wurtz reaction?
Solution: If two different alkyl halides are used in the Wurtz reaction to prepare an alkane with an odd number... View Article
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Distinguish between the increase in demand and decrease in demand.
Solution: Increase in demand Decrease in demand When more quantity is demanded than before at the same price, it refers... View Article
Ruminate endosperm occurs in
(a) Cruciferae (b) Euphorbiaceae (c) Asteraceae (d) Annonaceae Solution: Ruminate endosperm is the condition in which the endosperm is dissected... View Article
The major decision areas in supply chain management are:
(A) location, production, distribution, inventory (B) planning, production, distribution, inventory (C) location, production, scheduling, inventory (D) location, production, distribution, marketing... View Article
Incomplete double circulation is seen in
(a) fish (b) amphibians (c) birds (d) mammals Solution: In incomplete double circulation, blood comes to the heart by two... View Article
Write an essay on my favourite wild animal (10 lines on lion)
Answer: A lion is a wild animal that lives in the jungle. Lion is called the king of the jungle. ... View Article
What are the key elements of democracy class 7?
Answer: Democracy has the following key elements. (a) Rule by the People (b) Justice and Equality (c) Guarantee of basic... View Article
What is pollination? State its significance.
Answer: The transfer of pollen grains from the anther of a flower to the stigma of the same or a... View Article
3 applications of pressure for class 8
Answer: Applications of pressure are given below. When air is sucked out of a drinking straw, the air pressure inside... View Article
In a co-operative society, the principle followed is
(a) One share one vote (b) One man one vote (c) No vote (d) Multiple votes Solution: In a cooperative... View Article
Fill in the blank with a collective noun. a ___of fish
(a) swarm (b) shoal (c) flock (d) none of the above Answer: The most common collective nouns for a group... View Article
A heavy uniform chain lies on a horizontal tabletop. If the coefficient of friction between the chain and the table surface is 0.25, then the maximum fraction of the length of the chain that can hang over one edge of the table is
(a) 20% (b) 25% (c) 35% (d) 15% Solution: Let m is the mass of the chain of length L.... View Article
A motorcyclist drives from A to B with a uniform speed of 30 km/h and returns with a speed of 20 km/h. Find the average speed.
(a) 24 km/h (b) 25 km/h (c) 12 km/h (d) 37 km/h Solution: Let x be the distance from A... View Article
In which of the following sector do workers enjoy job security?
(a) organised (b) unorganised (c) Primary (d) None of these Solution: Workers in the organised sector enjoy job security. Hence... View Article
The position x of a particle varies with time as x = at2-bt3. The acceleration of a particle is zero at time T equal to(a) 2a/3b (b) a/b (c) a/3b (d) 0
The correct answer is (c) a/3b Solution: Given x = at2-bt3 Velocity V = dx/dt = 2at-3bt2 We know that Acceleration... View Article
Why internet is called a network of networks?
Answer: The Internet is a worldwide collection of networked computers, which are able to exchange information with each other in... View Article
Cryogenic engines find applications in
a) Rocket technology b) Frost-free refrigerators c) Sub-marine propulsion d) Researches in superconductivity Solution: Cryogenic engines are engines in... View Article
20 Sep 2021: PIB Summary & Analysis
TABLE OF CONTENTS 1. Vanijya Saptah 2. Exercise ‘Samudra Shakti’ 3. SCO Peaceful Mission 2021 4. National Florence Nightingale Award... View Article
Emergency contraceptives are effective if used within
1) 72 hours of coitus 2) 72 hours of ovulation 3) 72 hours of menstruation 4) 72 hours of implantation... View Article
In which of the following situations are the MTPs usually performed?
1) Pregnancy due to casual unprotected intercourse 2) Failure of the contraceptive used during coitus 3) Continuation of the pregnancy... View Article
