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