The excretory system of human is made up of organs that remove metabolic wastes and toxic substances from the body. Toxin accumulation can be dangerous and the body will eliminate all metabolic wastes through the process of excretion. This includes the elimination of urea and other body wastes. The kidneys remove urea, while the large intestine expels …
Question :- Astrologer always sat under the boughs of a spreading– Solution :- The astrologer sat under the branches of a spreading tamarind tree which flanked a path running through the town hall park. Explanation :-This statement is taken from R.K Narayan’s narrative “An Astrologer’s Day,” which is well known for the book “The Malgudi …
Astrologer always sat under the boughs of a spreading– Read More »
Question :- How does the embryo get nourishment inside the mother body Solution :- The embryo gets nourishment inside the mother body through a special tissue called placenta. The embryo grows inside the mother’s womb and gets nourishment from mother’s blood through the tissue called placenta. The placenta is a temporary organ that develops in the …
How does the embryo get nourishment inside the mother body Read More »
Question :- How does binary fission differ from multiple fission Solution :- Binary Fission: This is the splitting of a single cell into two parts. It requires favorable conditions. Cytoplasm must divide after each nuclear division. Multiple fission – Two or more daughter cells can be formed from a single parent cell. It can also occur under …
How does binary fission differ from multiple fission Read More »
Question :- Farmers plough is an example of which factor of production. Solution :- The farming plough is an example of labour that can be used as a factor in production. Explanation :- Factors of production are the resources used by people to create products and services. They form the basis of the economy. Economists use …
Farmers plough is an example of which factor of production Read More »
Question :- Brine is an aqueous solution of sodium hydroxide aqueous solution of sodium carbonate aqueous solution of sodium chloride aqueous solution of sodium bicarbonate Solution :- The Answer is option 3. Explanation :- Brine is a saturated solution sodium chloride water solution. It is therefore a concentrated solution of sodium chloride. The majority of natural waters, …
Question :- Impurities in pharmaceutical preparation may be due to following sources: Raw material Manufacturing process Chemical instability All of these Solution :- The Answer is Option 4. Explanation :- Pharmaceutical preparations may contain impurities due to chemical instability, raw materials and manufacturing processes. (Option d) Based on information about the raw materials, production processes, and …
Impurities in pharmaceutical preparation may be due to following sources: Read More »
The old German units of measurement are not the same in every country and each region. They can be misleading. The unit of measurement used to measure cloth in Germany was Elle. In the English system, one ell equals 1.143 meters, 1.25 yards, 45 inches. This cloth ell was used with a similar length in France. …
Elle, the measuring unit in Germany was used to measure. Read More »
Question: Garbage can create havoc to the mankind by（ _____ ） A. spreading foul smell B. slowing our vehicles on the road C. spreading several diseases D. All the above Answer is Option D Solution: Garbage can create havoc to the making by (d) all of the above. The smell that arises from garbage …
Garbage can create havoc to the mankind by（ _____ ) Read More »
Read complete Organisms and Populations notes for Class 12 Biology . These notes covers the complete syllabus of Organisms and Populations – Class 12 including competitive exams like JEE mains and advanced, NEET and others. You can also read: These are very detailed and comprehensive notes developed by team of expert faculties. These notes are …
Organisms and Populations notes for Class 12 Biology PDF Download | Read Online Read More »
