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