Science Questions Secretariat Assistant - 2018 SUDHEESH RAGHAVAN unacademy
21. The gas in a balloon of volume 2 L is released into an empty vessel of volume 7 L. What will be the volume of the yas? (A) 2L (C) 9L (B) 7L (D) 5L 22. Identify the element which shows variable valency. (A) Helium (C) Sodium (B) Magnesium (D) ron 23. The speed of chemical reaction between gases increases with increase in pressure due to an increase in (A) Number of molecules (C) Concentration (B) Volume (D) Distance between molecules
24. The scientific principle behind the working of a transformer is (A) Mutual induction (C) Rectification (B) Transmission (D) Amplification 25. The outermost shell contigurat ion of an element is 4s 4p. The period to which the element belongs is (A) 5 (C) 3 (B) 8 (D) 4 26. Nucleus is discovered by (A) Robert Brown (C) Bowman (B) Golgi (D) Fountain
27. Relationship between sea anemone and hermit crab is (A) Symbiosis (C) Commensalism (B) Mutualism (D) None of these 28. Acid rain is due to (A) O, and dust (C) SO, and CO (B) (D) SO, and NO2 CO, and CO 29. Green house ffect is mainly due to (A) CH (C) CF (B) So, (D) CO, 30. Which of the following is a water soluble Vitamin? (A) Calciferol (C) Ascorbic acid (B) Tocoferol (D) Phyloquinone
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Sudheesh Raghavan
Hi, I am Sudheesh,Teaching for Kerala psc exams for two years. Youtuber at PSC 360.I am interested to teach science topics.
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Priyanka Malviya
a year ago
Respected Sir,
Thank u Sir for these helpful vdos.....Sir reasoning bhi cover karva dijiyega pls.
Regards.
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1
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Jamsheer T H
a year ago
Cfc and carbon dioxide greenhousil engane vithyasapettirikunnu ne onnu parayamo
1
Reply
Sudheesh Raghavan
a year ago
CFC (chlorofluorocarbons ) എന്ന വാതകം ഓസോൺ പാളിയിൽ വിള്ളൽ വരാൻ കാരണം ആകുന്നതാണ്.
Jamsheer T H
a year ago
Ok.. Examine cfc ezhuthi thettichirunnu
Sudheesh Raghavan
a year ago
mmmm
Parvathy
a year ago
Psc thettikkan vendi thanneya chemical formula thannath..
Jamsheer T H
a year ago
Ok
Parvathy
a year ago
Thank u sir... symbiosis num sub divisions num kooduthal examples tharamo..oru idea um illatha area anu..
1
Reply
Sudheesh Raghavan
a year ago
സസ്യങ്ങളിൽ പയർച്ചെടിയുടെ വേരിലെ റൈസോബിയം ബാക്ടീരിയ (mutualism)
മൃഗങ്ങളുടെ ശരീരത്തിലെ പരാദങ്ങളെ ഭക്ഷിക്കുന്ന പക്ഷികൾ(mutualism)
clone fish and sea animon
flowers and bees..etc..
Sudheesh Raghavan
a year ago
ഇതൊക്കെ symbiosis ആണ്
Parvathy
a year ago
Thank u so much sir.. 🙏🙏
Sudheesh Raghavan
a year ago
👍👍
Preena Sabu
a year ago
symbiosis Jan ezhuthi.correct anennu karuthi😥.exam engane undarunnu?
1
Reply
Sudheesh Raghavan
a year ago
സയൻസ് ഒക്കെ ശരിയാക്കി.. GK പാർട്ട് കുറച്ചു തെറ്റി.. അത്ര വലിയ മാർക്ക് ഇല്ല... 😢
Preena Sabu
a year ago
hmm.. science eniku 5 /10 kittiyullu.constitution, computer, Malayalam,English ethrayum kollarunnu.maths kurachpadarunnu.time kittilla last mathsinu.current affairs expect cheythath vannilla.mothathil .exam eniku kurach padayi thonni.pratheeshoyode poyi..but😥😥
Sudheesh Raghavan
a year ago
ഇങ്ങനെയുള്ള പരീക്ഷയാണ് നന്നായി പാടിച്ചവർക്ക് ഗുണം.. കട്ട് ഓഫ് മാർക്ക് കുറയും.
Preena Sabu
a year ago
eni adutha pratheesha university asst.anu😊
Sudheesh Raghavan
a year ago
provisional answer key വന്നിട്ടുണ്ട്
Shihina Azeem
a year ago
biology detailed class xpecting..Kure negative adichu poyi......
1
Reply
Sudheesh Raghavan
a year ago
sure👍
SANAL SAJAN
a year ago
Very useful... Thanks
1
Reply
Sudheesh Raghavan
a year ago
👍👍