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