Biology Test 3 Please don't use any search browser to find the answer. Just do it yourself so you can measure your knowledge power. Best of Luck! Please! Enter Password 1 / 50 ATP is an example of: Polynucleotide Mononucleotide Dinucleotide None of these 2 / 50 The four interconnected rings of steroid molecule have: 15 carbons 17 carbons 12 carbons 16 carbons 3 / 50 Which one doesn't belong to microtubules? Centrioles Cilia Chloroplast Flagella 4 / 50 The process of making a polypeptide sequence from the genetic code of mRNA molecule associated with a ribosome is termed as: Translation Transcription Transduction Transformation 5 / 50 Brine is used for industrial production of HCL NHO NaOH KCL 6 / 50 Sperms are produced in …….. None Abdomen Liver Seminiferous tubules 7 / 50 AUTOSOMES ____in male and female Same None Differnent 8 / 50 Phloem cell: Translocation of food Nerve cells Lysosomes Golgi Apparatus 9 / 50 The thick walled enlarged reproductive cells are called: Trichome Hormogonia Akinete Heterocyst 10 / 50 The body’s normal metabolic rate is regulated by: Epinephrine Metaboloxin Prolactin Thyroid hormones 11 / 50 Red wood trees measure over: All choices are incorrect 200 meters in height 400 feet in height 300 feet in height 12 / 50 Ammonia is the waste product of____ . MARINE ANIMALS FISHES All 13 / 50 NAD is an example of: (A)Mononucleotide Both (B) and (C) Dinucleotide Coenzyme 14 / 50 De-duve (1949): Golgi apparatus Lysosomes Differentially permeable Nerve cells 15 / 50 Forming face: Nerve cells Translocation of food Golgi Apparatus Lysosomes 16 / 50 Albumin is the most important protein in blood serum. It is produced by Liver Endocrine glands Lungs Heart 17 / 50 What is the role of progesterone hormone in women? Spermatogenesis Follicle development Development of the uterine lining Female secondary sex characteristics 18 / 50 Which of the biomes has been increased in area by human activities? Grassland Savanna Coniferous Desert 19 / 50 Non-protein part of the enzyme is……… Apoenzyme COFACTOR Holoenzyme None 20 / 50 Fatal heart attacks in a young High level of blood cholesterol is also done in cancer patients Kills the cancer cells a condition in which liver cells lack receptor for removing cholesterol 21 / 50 Plasma membrane: Lysosomes Golgi apparatus Differentially permeable Nerve cells 22 / 50 Treatment of disease by x-rays or other ionizing radiation is: Chemotherapy All Gene therapy Radiotherapy 23 / 50 The chemicals produced by microorganisms, which are capable of destroying or inhibiting the growth of another organism: Vaccines Antibiotics Both (A) and (B) Anti-Toxins 24 / 50 Super blue green algae is cyanobacteria which: Pollute water has nutritional value None of the above Cause disease in man. 25 / 50 Which of the following is not aging? Dryness of skin Loss of hair pigment Increase of number of cells Increase of body weight 26 / 50 Which of the following traits is not sex-linked recessive? tfm syndrome Haemophilia Hypophosphatemic ricket Colour blindness 27 / 50 Planning to reduce plant diseases by applying different strategic methods is termed as: Chemical control Hydroponics Crop rotation Integrated disease management 28 / 50 The largest desert in the world is: Thar Sahara Thal Gobi 29 / 50 The total amount of energy that is converted to organic compounds in a given area per unit of time is called the: Net primary productivity Transpiration Biomass Gross primary productivity 30 / 50 What is the mixed gland of the human body? Pancreas Thyroid Pituitary Liver 31 / 50 Super blue green algae is cyanobacteria which: Pollute water has nutritional value Cause disease in man. None of the above 32 / 50 The chemicals produced by microorganisms, which are capable of destroying or inhibiting the growth of another organism: Anti-Toxins Vaccines Antibiotics Both (A) and (B) 33 / 50 Homologous structures: Have same functions but different structures None of the above Have different structures and function Have same structures but different functions 34 / 50 The matching, identical but often have slight differences, genes are……. DNA GENES CHROMOSOMES 35 / 50 During emergencies, the “fight-or-flight” response: is the result of aldosterone causing faster blood flow is caused by hormone secretions in the adrenal medulla is stimulated by cortisol Decrease the heartrate 36 / 50 In which phase does the growth of bacteria take place? Lag phase Log phase Death phase Stationary phase 37 / 50 The water bloom is a: Water cannot be drunk Water with a layer of organisms Polluted water Water with bad smell. 38 / 50 Pachytene is a First stage of prophase in meiosis Second stage of prophase in meiosis Third stage of prophase in meiosis Fourth stage of prophase in meiosis 39 / 50 Hepatitis A is caused by: Un-enveloped RNA virus Enveloped RNA virus Un-enveloped DNA virus Enveloped DNA virus 40 / 50 How many bones are present in human ears? 8 6 3 9 41 / 50 If the thyroid gland is removed so………. None Death Cause Our body stop producing the thyroid hormone 42 / 50 Identical chromosomes in males is: 22 26 56 23 43 / 50 Conduction of impulse: E.R. Nerve cells Differentially permeable Translocation of food 44 / 50 plastids are ….. CHLOROPLAST LEUCOPLAST All CHROMOPLAST 45 / 50 Chemotherapy: a condition in which liver cells lack receptor for removing cholesterol High level of blood cholesterol is also done in cancer patients Kills the cancer cells 46 / 50 Colorado Tick fever is caused by: Single stranded DNA virus Double stranded DNA virus Double stranded RNA virus Single stranded RNA virus 47 / 50 The reasoning from a specific set of observations to reach a general conclusion is called: Deductive reasoning None of the above Both (A) and (B) Inductive reasoning 48 / 50 ------have a limited number of organelles? None of the above organ system Eukaryotes Prokaryotes 49 / 50 Grassland in tropic climates have woody trees and are called Prairies Pampas Velt Savanna 50 / 50 Method of research in which a biological problem is identified, relevant data is gathered, a hypothesis is formulated from these data, and the hypothesis is experimentally tested is called: Scientific law All choices are correct Scientific theory Biological method Your score is 0% Restart quiz
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