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