218 questions asked across 4 exam years, newest first
The chemical formula of gypsum is ______.
Answer: D
Which of the following is a strong reducing agent used to reduce aldehydes, ketones, esters, carboxylic acid chlorides, carboxylic acids and even carboxylate salts to alcohols?
Answer: B
Chemical formula of bleaching powder is ______.
Answer: A
Chemical formula of washing soda is ______.
Answer: A
Which of the following is natural acid-base indicator? I. Litmus II. Turmeric
Answer: D
What is the commercial unit of electric energy?
Answer: C
In which group are the non-metal elements placed in a vertical column on the right side of the periodic table?
Answer: C
Who discovered three chemical elements: cerium, thorium and selenium, and devised the modern method by which one or two letters are used to symbolise elements?
Answer: C
Match Column -A with Column-B Column -A (Organelle) Column -B (Function) i. Mitochondria a. Protein synthesis ii. Ribosomes b. Regulation of activity of a cell iii. Nucleus c. Digestive system of a cell iv. Lysosomes d. Energy generation

Answer: D
Which of the following is caused by exagenic force?
Answer: A
Which of the following greenhouse gases is most abundant in the atmosphere?
Answer: B
Identify an example of diploblastic animals.
Answer: D
The chemical formula of borax is ______ .
Answer: B
There are ______ main types of cell division.
Answer: B
Chemical formula of magnesium oxide is ______ .
Answer: C
Which of the following options is NOT correct about plant cells?
Answer: B
Union Minister of Petroleum & Natural Gas Hardeep Singh Puri inaugurated Asia’s largest Compressed Bio Gas (CBG) plant in ________.
Answer: C
Who conducted X-ray spectroscopic study of a large number of elements and showed that the frequency of X-rays emitted by an element is related to the atomic number, Z, rather than the atomic mass?
Answer: C
Chemical formula of gypsum is ________.
Answer: A
For what discovery is Evangelista Torricelli famous?
Answer: C
Which of the following are members of 15 naturally occurring metallic chemical elements whose atomic numbers are between 57 and 71?
Answer: B
Identify an option that does NOT represent prokaryotic cells.
Answer: C
The body of the ______ is circular in cross-section, hence, the name roundworms. They may be free living, aquatic and terrestrial or parasitic in plants and animals.
Answer: D
Which French chemist was one of the first scientists to synthesise organic compounds such as formic acid, methane and acetylene from their elements?
Answer: C
Which force is responsible for the motion of the moon around earth?
Answer: D