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