Why does the moon seem to follow us as we travel?
The Moon appears to follow you because it is very far away, and objects like trees and houses that you... View Article
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Express 7429 as a product of its prime factors
A prime number is a number that is divisible by 1 and by the number itself. The prime factors of... View Article
Why water forms spherical shape when we used to drop water up or throw water around?
Raindrops take up the spherical shape due to the surface tension of water which is caused due to the tendency... View Article
Which of the fibres are made from petrochemicals? (1) Nylon (2) Polyester (3) Acrylic (4) All of these
Answer: (4) All of these Petrochemicals are the products of petroleum by which different types of fibres like nylon, polyester and... View Article
List few food items obtained from plants.
Some food items obtained from plants are: Leaves and stems – celery, lettuce, silver beet. Roots – potatoes, carrots, beetroot,... View Article
Can 72 and 20 respectively be the LCM and HCF of two numbers? Give reason.
No, 72 and 20 can’t be the LCM and HCF of two numbers because it is the condition that HCF... View Article
What leads to the formation of the stereotype?
Stereotyping is something we do daily, even if we don’t realize it. By classifying groups of people, we can better... View Article
What the same kind of plants grown and cultivated on a large scale at a place is called?
The same kind of plants grown and cultivated on a large scale at a place is called a crop. Crops... View Article
How the internal resistance increases?
The internal resistance of a source of electrical energy is an important factor when considering how to get the source... View Article
Find all the prime factors of 1729 and arrange them in ascending order. Also, state the relation, if any, between two constructive prime factors.
Prime factorization is defined as a way of finding the prime factors of a number, such that the original number... View Article
What is a dikaryon?
Answer: The dikaryon is a rare nuclear feature found only in fungi. The green alga Derbesia was long thought to... View Article
Why do amphibians and reptiles have three chambered heart?
Answer: Mammals and birds, however, have a higher metabolic rate so must have a way of delivering more oxygen per... View Article
How do non-green plants get their food?
Non-green plants are those plants which lack Chlorophyll. The non-green plants are Fungi like mushrooms, yeast, moulds, Penicillium etc. Non-green... View Article
How bones are made?
Bones begin life as cartilage. As the young baby develops in the mother’s womb, the skeletal system becomes organised into... View Article
What is cellular respiration?
Cells produce energy in the form of ATP through the process of cellular respiration. Although much of the energy from... View Article
Why sugar dissolves faster in the water when stirred?
There are a few factors that generally increase the amount of solute that can be dissolved. If you want to... View Article
What did Rudolf Virchow do in the discovery of cell?
Answer: Rudolph Virchow (1821-1902) was a German physician, anthropologist, politician and social reformer, but he is best known as the... View Article
Salle plants 4 saplings in a row in her garden. The distance between two adjacent saplings is 3/4 m. Find the distance between the first and the last saplings.
Plants in a row – 4 The distance between them is 3/4 There are three gaps and the distance between... View Article
Why is force is said to be the rate of change of momentum and not change in momentum?
The rate of change of momentum of an object is directly proportional to the resultant force applied and is in... View Article
What are anther and its function in a flower?
The male reproductive part of a flower is called the stamen. It is composed of a long tube, called a... View Article
