Answer: (3) Sodium Chloride is an ionic compound with the chemical formula NaCl. Since sodium chloride is not a molecule it has an empirical... View Article
Answer: The membrane surrounding the vacuole is known as tonoplast. Tonoplast is a single membrane that separates the cytoplasm from the... View Article
Answer: The term “organic evolution” consists of two words organic meaning “living species” and “evolution”, meaning “unfold”. The organic... View Article
Answer: (4) The commercial unit of electrical energy is a kilowatt-hour (kWh). The energy generated by a kilowatt power source in 1 hour is 1... View Article
Answer: (1) To determine the presence of nitrate ions in any solution, a chemical test called a nitrate test is conducted. In the presence of... View Article
Answer: Agriculture is a labour-intensive process which cannot be done by hands. Therefore, it is necessary to use tools and machines to carry... View Article
Answer: Tapetal cells are very large cells with many nuclei. They help the pollen grains grow and develop. Tapetal cells undergo endomitosis... View Article
Answer: (2) Sulfuric acid (H2SO4) is a strong acid with hygroscopic and oxidizing properties. Sulfuric Acid is a mineral acid with a chemical... View Article
Answer: Cockroaches are pests inhabiting the unhygienic and damp places. They are dark brown in colour belonging to the phylum Arthropoda, the... View Article
Answer: (3) Pollen grains are microscopic structures varying in size and structure. Some of them are tiny spheres while others are egg-shaped.... View Article
Answer: (2) The edible litchi serving is aril. It is a fleshy part of fruit, and it is available at the outer skin of the seeds. From the seed... View Article
Answer: Polymer: A polymer is a large molecule or a macromolecule which essentially is a combination of many subunits. Around 103−107u is... View Article
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 2nd June 2020. Important news and views to boost... View Article
Committees and commissions in important domains are relevant for the UPSC exam. They fall under the GS paper II polity and governance segments... View Article
2 June 2020 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related GEOGRAPHY 1. Monsoon hits Kerala with cyclone in the background B. GS 2... View Article
June 1st, 2020 PIB:- Download PDF Here TABLE OF CONTENTS 1. PM SVANidhi 2. CHAMPIONS Portal 3. Minimum Support Prices (MSP) 4. Pradhan Mantri... View Article