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Tuesday, 30 June 2015

LIFE PROCESS Question part2

LIFE PROCESS

  1. Why is diffusion insufficient to meet the oxygen requirements of multicultural organisms like us?
  2. What criteria do we use to decide whether something is alive?
  3. What are outside raw materials used for by an organism?
  4. What process would you consider essential for marinating life?
  5. What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
  6. What are the different ways in which glucose is oxidized to provide energy in various organisms?
  7. How is oxygen and carbon dioxide transported in human beings?
  8. How are the lungs designed in human beings to maximize the area for exchange of gases?
  9. What are the components of the transport system in human beings? What are the functions of these components?
  10. Why is it necessary to separated and deoxygenated blood in mammals and birds?
  11. What are the components of the transport system in highly organized plants?
  12. How are water and minerals transported in plants?
  13. How is food transported in plants?
  14. Describe the structure and functioning of nephrons.
  15. What are the methods used by plants to get rid of excretory products?
  16. How the amount of urine is produced regulated?
  17. The kidneys in human beings are a part of the system for:
(a) nutrition (b) respiration (c) exertion (d) transpiration
  1. The xylem in plants are responsible for:
(a) transport of water (b) transport of food
© transport of amino acids (d) transport of oxygen.
  1. The autotrophic mode of nutrition requires:
(a) carbon dioxide and water (b) chlorophyll
(c) sunlight (d) transport of oxygen.
  1. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in: (a) cytoplasm (b) mitochondria
© chloroplast (d) nucleus
  1. How are fats digested in our bodies? What does this process take place?
  2. What is the role of saliva in the digestion of food?
  3. What are the necessary conditions for autotrophic nutrition and what are its by-products?
  4. What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
  5. How are the alveoli designed to maximize the exchange of gases?
  6. What would be the consequences of a deficiency of hemoglobin in our bodies?
  7. Describe double circulation in human beings. Why is it necessary?
  8. What are the differences between the transport of materials in xylem and phloem?
  9. Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
MULTIPLE CHICE QUESTIONS
  1. The mode of nutrition in non-green plants is:
(a) Holozoic (b) Autotropic (c) Heterotropic (d) Saprophytic
  1. Instant source of energy in human beings is:
(a) Amino acid (b) Fats (c) Proteins (d) Glucose
  1. Which of the following is an autotroph?
(a) frog (b) mushroom (c) dear (d) saprophyte
  1. Renin is secreted by:
(a) small intestine (b) salivary glands (c) pancreas (d) liver
  1. The ingestion of food is called:
(a) feeding (b) digestion (c) assimilation (d) absorption
  1. The absorption of digested food takes place in:
(a) small intestine (b) large intestive (c) stomach (d) liver
  1. Example of saprophytic nutrition is:
(a) rhizophus (b) man (c) dodder plant (d) frog
  1. The absorption of extra water takes place in:
(a) small intestine (b) large intestine (c) stomach (d) liver
  1. In Cuscuta, Plasmodium, Entamoeba, Ascaries the mode of nutrition is:
(a) saprophytic (b) parasitic (c) holozoic (d) autotrophic
  1. Which of the following kind of nutrition is found in fungi?
(a) cytology (b) histology (c) psychology (d) physiology
  1. The source of energy for carbon assimilation is:
(a) carbondioxide (b) cholophyll (c) sunlight (d) water
  1. Photosynthesis occurs in:
(a) palisade cells (b) epidermal cells (c) cuticle layer (d) spongy cell
  1. Which of the following provides energy for photosynthesis?
(a) chloroplast (b) CO2 (c) sunlight (d) water
  1. The largest part of the alimentary canal of grasshopper is:
(a) stomach (b) gizzard (c) crop (d) intestine
  1. Which of the following enzymes is found only in bodies?
(a) pepsine (b) rennin (c) trypsin (d) amylopsin
  1. Trypsin acts acts only if it provides with:
(a) alkaline pH (b) acidic pH (c) neutral pH (d) Both a & b
  1. Ammonia is converted into urea in the:


(a) Laecum (b) pancreas (c) kidneys (d) Liver

Also read.
reproduction
gregor-mendel-father-of-genetics
our-environment
natural-resources-questions
reproduction-and-endocrine-system
heredity-and-evolution
the-human-eye-and-colourful-world
heredity-notes
management-of-natural-resources
control-and-co-ordination-test2
control-coordination-notes
life-process-question-part2


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