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