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- Question
Metastasis is the process by which _________
Options- A. Cell divide rapidly under the influence of drugs
- B. Cancer cell spread through the blood or lymphatic system to other site or organs
- C. The Chromosome in cell nuclei are attached to the soindle before moving to the anaphase poles
- D. Cancer cells are successfully inhibited to divide any further
- Correct Answer
- Cancer cell spread through the blood or lymphatic system to other site or organs
- 1. Sleeping sickness in main is caused by the organism
Options- A. Plasmodium
- B. entamoeba
- C. giardia
- D. trypanosoma Discuss
- 2. Spices detoriate after prolonged boiling
Options- A. The essential oils in the spices easily evaporate
- B. Spices are put in the pickels to add to the flavour
- C. Both A and B
- D. None Discuss
- 3. The enzyme that is necessary to bring about clotting of blood is
Options- A. peptidase
- B. amylase
- C. lipase
- D. thrombokinase Discuss
- 4. Scientist who discovered blood groups
Options- A. Krebs
- B. Pavlov
- C. Karl Landsteiner
- D. Darwin Discuss
- 5. Plants are green because they
Options- A. Refract green light
- B. Absorbs green light
- C. Reflects green light
- D. Do not absorb ultra violet light Discuss
- 6. The technique of DNA fingerprinting in human was developed for first time by _________
Options- A. Lalji Singh
- B. Alec Jeffreys
- C. R. Ericson
- D. J. Black Discuss
- 7. What do genes code for?
Options- A. Ptoteins
- B. DNA
- C. RNA
- D. None Discuss
- 8. Which feature do Prokaryotic and Eukaryotic cells share
Options- A. Nucleus
- B. DNA
- C. Nuclear membrane
- D. Membrane bound Organelles Discuss
- 9. You can See, Smell and Taste microorganisms.
Options- A. TRUE
- B. FALSE Discuss
- 10. Foods that allow micro organisms to grow are called Parasites.
Options- A. TRUE
- B. FALSE Discuss
Biology problems
Search Results
Correct Answer: trypanosoma
Explanation:
Trypanasoma is a protozoan animal. It lives as a parasite in the blood and later invades the cerebrospinal fluid to cause the sleeping sickness. This parasite is transmitted by the Tsetse fly.
Correct Answer: The essential oils in the spices easily evaporate
Correct Answer: thrombokinase
Explanation:
The clotting of blood is a chain reaction initiated by the enzyme thrombokinase produced by the platelets. This causes prothrombin to be converted into thrombin in the presence of ion.
Thrombin combines with fibrinogen to produce fibrin threads which entangles the corpuscles to form the clot.
Correct Answer: Karl Landsteiner
Correct Answer: Reflects green light
Correct Answer: Alec Jeffreys
Correct Answer: Ptoteins
Explanation:
The genome of an organism is inscribed in DNA, or in some viruses RNA. The portion of the genome that codes for a protein or an RNA is referred to as a gene. Those genes that code for proteins are composed of tri-nucleotide units called codons, each coding for a single amino acid.
Correct Answer: DNA
Explanation:
Prokaryotic and Eukaryotic cells do share a feature of DNA.
Both prokaryotic and eukaryotic cells have structures in common.
All cells have a plasma membrane, ribosomes, cytoplasm, and DNA.
Prokaryotic cells are primitive cells which have no true nucleus and membrane bound organelles, while Eukaryotic cells are cells that have true nucleus, membrane bound organelles and well defined structures and layouts.
Correct Answer: FALSE
Explanation:
You cannot see a microorganisms without using a Microscope. You also cannot taste or smell microorganisms such as bacteria in contaminated food.
Correct Answer: FALSE
Explanation:
No, the given statement is False.
Parasites are organisms that feed on other organisms causing harm to them.
Foods that allow micro organisms to grow are called Growth Mediums.
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