Biology Tests of Graduation Biology Tests of Graduation Level 61 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Biology (Graduation) Quiz 1 / 25 What protein make up spider silk ;- Fibrin Collagen Keratin 2 / 25 Mercaptoethanol breaks which bond present in the protein;- Non covalent Hydrogen Covalent Disulphide 3 / 25 What is the range of amino acids present in an immunoglobulin molecule :- 60-10 50-110 70-110 4 / 25 _________ is the factory of ribosomal synthesis:- Nucleus Nucleolus Endoplasmic reticulum 5 / 25 Which molecules is present in the mitochondrion ;- Acetyl CoA Acetylanase Acetyl CoB 6 / 25 If more substrate to already occurring enzyme reaction is added,, and there is no effect on the rate of reaction , what is the form given to this situation:- Composition Inhibition Denaturation Saturation 7 / 25 What is S layer :- surface layer solid layer secondary layer 8 / 25 Which bonds are present in two neighboring amino acids ;- Glycosidic bonds Amide bonds Polypeptide bonds 9 / 25 The activation energy of a chemical reaction ________ by enzymes:- Increase Decrease Does not effect 10 / 25 The process of dedifferentiation in cell culture can give rise to ;- single protoplast carcinoma cells induced pluripotent stem cell 11 / 25 What is Radish:- Bulb Conn Tuber Modified root 12 / 25 Louis pasture is known as:- Mutation theory Germplasm theory The germ theory of disease 13 / 25 Proteins are synthesized in which organelle of the endomembrane system :- Endoplasmic reticulum Lysosomes Golgi complex 14 / 25 NAD+ can be derived from which vitamin :- C A Niacin 15 / 25 Lysosomes are produced by which cell organelles ;- Mitochondria Endoplasmic reticulum Golgi complex 16 / 25 What is the full form of pH;- Potential Hydrogen Positron positive Hydrogen 17 / 25 Ribozyme is:- Enzyme RNA with enzymatic activity Hormone 18 / 25 Number of cotyledons in zea mays are:- 2 1 19 / 25 What is the chemical formula for oxaloacetic acid;- C4H3O5 C4H4O5 C4H4O6 20 / 25 In most animals , fats are stored in special cells called :- telomeres granulocytes adipocytes 21 / 25 How many structural and non structural proteins are there in the dengue virus :- 7 : 2 3 : 7 3 : 8 22 / 25 Which cells are pluripotent :- embryonic stem cells Nucleosomes Hepatocytes 23 / 25 x174 HAS _________ DNA:- Single stranded DNA Single stranded RNA double stranded RNA 24 / 25 Pigments absorb light of particular wavelength ;- false true 25 / 25 Energy transduction is the underlying process of __________;- DNA Transcription Photosynthesis Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Subscribe our Channel Here