False. Milk is not a pure substance, it is a colloidal mixture. Pure substances are either elements or compounds while... View Article
The process of photosynthesis was discovered by Jan Ingenhousz. Jan Ingenhousz was a Dutch-born British physician and scientist. Jan Ingenhousz... View Article
Option c) less than unity. We know that blue light is refracted more compared to red light. Hence, the refractive... View Article
The gram atomic weight of nitrogen is 14gm. The gram atomic weight of oxygen is 16gm. The ratio of the gram-atomic... View Article
Option c) Outer to the primary wall. Lamella refers to the thin membrane or plate of tissue. middle lamella is... View Article
Option b) Shaista Khan. In 1660 Aurangzeb appointed Shaista Khan as the governor of Deccan gained success initially by partnering... View Article
True. In an equilateral triangle, all three sides are of equal length; Hence any two sides are of equal length;... View Article
Option c) chain and dimeric. In solid form BeCl2 exist as a polymeric chain (BeCl2)n. In vapor state, it is... View Article
Option a) Adults 58.7%, Aged 6.9%, Children 34.4%. The number of people in different age groups in a country gives... View Article
Option c) Push down list. Stack is sometimes called a push down list.
Option d) All the above. Keratin is a natural structural protein found in hair, skin, nail, and wool.
We know that the first six even natural numbers are 2,4,6,8,10,12. There are six even numbers. Therefore, N=6. Consider x1=2,... View Article
Uses of metals are: <ul>(i) Lead metal is used in making car batteries. (ii) Zinc is used for galvanizing iron... View Article
Option b) Chromyl chloride. The Etard reaction is used to convert toluene into benzaldehyde in the presence of chromyl chloride... View Article
Option d) All of the above. Theophrastus is considered father of botany.