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Andhra Pradesh SSC (Class 10) Unit 2F1: Animal Cell Biology and Specialization — practice questions

Explore 21 free Unit 2F1: Animal Cell Biology and Specialization questions in Andhra Pradesh SSC (Class 10) Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Unit 2F1: Animal Cell Biology and Specialization questions and exercises with answers

Showing questions 1–21 of 21.

Hydrogen, regarded as the fuel of the future, is released when bacteria carry out photoreduction during which process?Read the answer and worked solution →Which microbe converts soluble uranium salts in atomic-plant effluents into insoluble salts, keeping them out of groundwater?Read the answer and worked solution →In organic farming, which microbe is used in a solution to supply nitrogen and prevent soil pollution from chemical fertilizers?Read the answer and worked solution →Spinosad, a by-product of fermentation that destroys pests, is best described as which type of agent?Read the answer and worked solution →What general name is given to the special undifferentiated cells in a multicellular organism that can give rise to all other cell types?Read the answer and worked solution →Cytology is the branch of biology that mainly deals with the study of which of the following?Read the answer and worked solution →At what temperature range are collected stem cell samples preserved in vials?Read the answer and worked solution →On approximately which day after conception does differentiation of embryonic stem cells begin?Read the answer and worked solution →The property by which a single embryonic stem cell can transform into any of the many cell types of the body is called:Read the answer and worked solution →Which of the following is NOT a recognised source of adult stem cells in the human body?Read the answer and worked solution →Replacing dead cells in conditions such as diabetes, Parkinson's disease and myocardial infarction is an example of which use of stem cells?Read the answer and worked solution →A person can usually donate one organ during their lifetime because the body has a spare functional pair. Which organ is this?Read the answer and worked solution →Which set of branches of science is correctly described as being included within biotechnology?Read the answer and worked solution →From which bacterium was the gene isolated and inserted into cotton to produce Bt cotton?Read the answer and worked solution →Golden Rice was genetically engineered to be rich in a precursor of which vitamin?Read the answer and worked solution →Crops developed by integrating a foreign gene with their own genome to gain desired characters are best described as:Read the answer and worked solution →Bacteria such as Rhizobium, Azotobacter and Anabaena are mainly used in agriculture as:Read the answer and worked solution →By modern biotechnology, the hormone insulin used to treat diabetes is now produced with the help of:Read the answer and worked solution →The group of small protein molecules used in the treatment of viral diseases, now produced using transgenic E. coli, is:Read the answer and worked solution →Treating phenylketonuria (PKU) by correcting the genetic change in liver cells is an example of:Read the answer and worked solution →In reproductive cloning, a new organism is produced by fusing an enucleated ovum with:Read the answer and worked solution →

Worked practice questions

Hydrogen, regarded as the fuel of the future, is released when bacteria carry out photoreduction during which process?

  1. Anaerobic decay of garbage
  2. Bio-photolysis of water
  3. Fermentation of molasses
  4. Coagulation of milk protein
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Correct answer: B. Bio-photolysis of water

1. Hydrogen gas is called the fuel of the future. 2. It is released during bio-photolysis of water, where bacteria do the photoreduction. 3. Anaerobic decay of garbage gives methane, so that is ruled out. 4. Fermentation of molasses gives ethanol, and coagulation relates to dairy, not fuel. _Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.91_

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Which microbe converts soluble uranium salts in atomic-plant effluents into insoluble salts, keeping them out of groundwater?

  1. Geobacter
  2. Saccharomyces
  3. Lactobacillus
  4. Aspergillus
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Correct answer: A. Geobacter

1. Water-soluble uranium salts occur in effluent from atomic energy plants. 2. Geobacter converts these into insoluble salts. 3. This prevents the salts from mixing with groundwater. 4. Saccharomyces, Lactobacillus and Aspergillus are food and dairy microbes, not uranium converters. _Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.94_

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In organic farming, which microbe is used in a solution to supply nitrogen and prevent soil pollution from chemical fertilizers?

  1. Azotobacter
  2. Acetobacter
  3. Xanthomonas
  4. Streptococcus
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Correct answer: A. Azotobacter

1. Microbial inoculants supply nutrients to plants in organic farming. 2. A solution of Azotobacter with nitrogenase is used for this. 3. It prevents soil pollution caused by chemical fertilizers. 4. Acetobacter makes vinegar, Xanthomonas makes gum, and Streptococcus is a dairy microbe. _Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.94_

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