Chembio Test (The Crossword Puzzle)

Welcome to the “Chembio Test” game!

Here is a crossword puzzle below; it’s an easy game if you got a basic knowledge of chemistry and biology. Most of the terms/symbols/abbreviations/prefixes used here, we cover those within 10+2 standard (science). You probably know how to play the crossword puzzles, still, read the following instructions to make the job easier.

  • There are 22 words side-by-side and 29 words up-and-down along the puzzle.
  • Also, there are 2 lists of hints below to figure out the words.
  • Follow the hints and write the appropriate word at the proper place to solve it.
  • See side-by-side hints for finding only the horizontally (side-by-side) organized words.
  • See up-and-down hints for finding only the vertically (up to down) organized words.
  • The puzzle is not alphabet case sensitive (upper case/ lower case).
  • Not only the words/terms but also abbreviations, prefix, sort symbols, prefix, etc., have been included here.

The last 2 points are important. So please read the explanation before you proceed for the game.

The puzzle is not alphabet case sensitive, which means, upper case and lower case factor is not important here, you just need to find out the actual word.

Abbreviations, prefix, sort symbols, prefix, etc., are included here. A vertically organized symbolic word may begin from the middle of a horizontally organized word. Symbols generally start with upper case letters. But, if you wrote the horizontally organized word in lower case, don’t worry about it, just fill the next vertical box with the proper letter/s.

Chembio Test (The Crossword Puzzle not case sensitive)
All are correct. It is not upper case/lower case sensitive

Suppose, you wrote the word “ion” horizontally at box no. 7; “i” is situated in the box with the number “7” and “n” is situated in the box with the number “10”. Now, you find, the box with the number 10 also initiates a two letters’ word vertically. Suppose, according to the given hint the word should be a symbol, e.g. “Ne” (neon). Symbols generally start with upper case. So, if you wrote the horizontal word “ion” in lower case, don’t worry, just continue to fill the next vertical box with the letter “e” to complete the word “Ne” (or “ne”) vertically. (refer to the above image).

Hope this helps.

Now, let’s play the Chembio test!

Download the PDF version HERE and solve the Chembio Crossword Puzzle.

Chembio Test: The Crossword Puzzle

chembio test-1

Chembio Test: Hints

Side by side

  1. A natural amino acid.
  2. Contraction of the protoplast due to water loss.
  3. Serially aligned beads formed by condensation of DNA and protein complexes.
  4. The dead body of human (or animal).
  5. A popular saturated ring that is often used as solvent media in organic transformations.
  6. Mitotic phase, where sister chromatids are separated from each other.
  7. A chemical reagent used for bromination.
  8. [Kr] 4d10 5s2 5p2.
  9. A rare and highly radioactive metal; the outermost orbital contains 6 electrons.
  10. 6s24f145d106p4 – Outermost orbital 6s26p4)
  11. Softest non-alkali metal.
  12. It literally protects the earth.
  13. The cellular organelle is responsible for respiration and ATP production.
  14. Plastids that produce and store starch within internal membrane compartments of potato tuber cells.
  15. _ _ _ _ _ _a : It is the smallest flowering plants on earth.
  16. A cofactor used in anabolic reactions, e.g., Calvin cycle.
  17. The large intracellular organelle of a mature plant cell, contains mostly water.
  18. A strong oxidizing agent having the highest electron affinity.
  19. In laboratories, _ _-based organometallic catalysts are used in photo-redox reactions.
  20. A group that gets reduced in presence of NaBH4.
  21. Biological polymers having series of amide bonding.
  22. A functional group having (4n+2) pi electrons.
  23. An important element that is present in several active organometallic compounds.

Up & down

  1. An organic reaction to convert carbonyl to an alkene.
  2. The primary component as well as the physical and mechanical factor of the ribosome.
  3. Photosynthetic organelle of a plant cell.
  4. Specialized DNA sequence of a chromosome that links a pair of sister chromatids (a dyad).
  5. Charged element.
  6. Abbreviation of an amino acid having isobutyl group.
  7. An inert gas used in lights.
  8. When two molecular rings share a common atom, it is called ______ compound.
  9. One of the noble gases that can produce complexity.
  10. The trioxide of this element is used as a flame retardant (symbol).
  11. Frontier molecular orbitals; it’s occupied.
  12. A group of coenzymes that metabolize fatty acids.
  13. The science of wine.
  14. Plant cell structure present outside the cell membrane.
  15. Central coordinator of a cell.
  16. [Rn] 5f2 6d1 7s2.
  17. The stalk that joins a leaf to a stem.
  18. Zn is a _____ element in the human body.
  19. The linker of two atoms in a molecule.
  20. _ _ _ _ _ic polymers are well-known for transparency and elasticity.
  21. Atomic weight = 138.
  22. [Xe] 4f14 5d10 6s2 6p6.
  23. The mathematical function describing the location and behavior of an electron in an atom.
  24. Set of isomers that are used to designate the configurations of chiral carbons.
  25. [Xe] 4f⁶ 6s².
  26. [Ar] 4s².
  27. A plant that is well-known as a source of Azadirachtin.
  28. The stain is used to test for the presence of starch molecules.
  29. a soft, silvery-white, highly reactive alkali metal.

Download the PDF version HERE and solve the Chembio Crossword Puzzle.

Chembio Test: the answers

Have you completed?

Great then. How did you enjoy the “Chembio Test” game?

If you have partially completed so far, you have more time to complete the whole. If you are struggling with some chemistry or biology words, collaborating with a chemist or biologist is a great idea. Indeed, collaboration is crucial everywhere, especially to uplift science.

You may see the the solve copy with all answers in the next issue.


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Ms. Subhra Das is a biology teacher in high school by profession. Besides she is a passionate science writer and nature lover.

As a teacher, she never restricts herself within the four walls of the classroom, rather she loves exploring the crude science behind the natural facts that include human and animal health, critical diseases, typical characteristics of wildlife, and mother nature.

Ms. Subhra Das is also a passionate traveler and explorer; she always tries to uncover natural flora and fauna at every destination she travels.

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Dr. Suvankar Das pursued his doctoral degree in Chemistry in 2015. Further, he was associated as postdoctoral researcher (Synthetic & Medicinal Chemistry) and research scientist in several institutes and companies. Presently he is associated with multiple organizations as an editorial board member and scientific consultant.

With the aim to deliver updated information about novel discoveries and unknown facts of science, Dr. Suvankar Das founded SynnBiob Science Magazine. He believes, exploring sustainable science in a divergent way is the ultimate path to create a beautiful world.

Besides his scientific journey, he is also a passionate traveler. Travel Entice (, which is his other foundation, gained immense popularity recently.

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