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- Question
Deficiency of which minerals causes goiter?
Options- A. Magnesium
- B. Calcium
- C. Iodine
- D. Sulphur
- Correct Answer
- Iodine
ExplanationDeficiency of Iodine cause Goiter also called Enlarged Thyroid. It doesn't give any pain but difficult to swallow and breath are its causes.
- 1. DNA can be found in what Organelles?
Options- A. Chloroplasts and Mitichondria
- B. Nucleus and Ribosomes
- C. Ribosomes and Mitochondria
- D. Endoplasmic Reticulum and Nucleus Discuss
- 2. Cross Contamination is prevented by Discuss
- 3. The brain is covered by
Options- A. meninges
- B. skin
- C. bone
- D. all the above Discuss
- 4. Important component that helps in clotting of the blood is called ____.
Options- A. Haemoglobin
- B. Platelets
- C. Serum
- D. Plasma Discuss
- 5. The kilo calories of energy released from one gram of fats is
Options- A. 5.49
- B. 4.59
- C. 9.45
- D. 9.54 Discuss
- 6. "Pellagra" is caused due to the deficiency of
Options- A. Niacin
- B. Riboflavin
- C. Thiamine
- D. Pyridoxine Discuss
- 7. A vehicle born transmitted diseases are
Options- A. Plague and Malaria
- B. Chicken Pox and Tetanus
- C. Mumps and Common cold
- D. Eye infection and influenza Discuss
- 8. Cellulose is a
Options- A. Mineral
- B. Protein
- C. Fat
- D. Carbohydrate Discuss
- 9. Which of the following is an Abiotic factor?
Options- A. Plants
- B. Water
- C. Consumers
- D. Animals Discuss
- 10. Important objective of biotechnology in agriculture section is _________
Options- A. % produce best resistant varieties of plant
- B. % increase the nitrogen content
- C. % decrease the seed number
- D. % increase the plant weight Discuss
Biology problems
Search Results
Correct Answer: Chloroplasts and Mitichondria
Explanation:
DNA can be found in 3 Organelles namely Nucleus, Mitochondria in animals and Chloroplasts in plants.
Correct Answer: Cross Contamination :: Cross Contamination is nothing but a contamination in a cross way ie, when a bacteria on a kitchen tool transfers to food via direct contact Two of the most common kitchen tools usually tend to be a knife or a cutting board However, it is not just bacteria that gets carried from one place to another ? it could also be a virus also Cross Contamination is prevented by the following tips :: 1 Use separate equipment 2 Clean and sanitize all work surfaces 3 Remind employees to wash their hands 4 Purchase prepared food 5 Implement a personal hygiene program
Correct Answer: all the above
Explanation:
The central nervous system ( brain and spinal card ) are invested with the meninges which nourish and protect the system .This again is enclosed inside a bony box which has the skin above it
Correct Answer: Platelets
Explanation:
Blood Platelets are the components of the blood that are helpful in clotting of the blood.
Correct Answer: 9.45
Correct Answer: Niacin
Correct Answer: Plague and Malaria
Correct Answer: Carbohydrate
Correct Answer: Water
Explanation:
Abiotic and biotic factors are what make up an ecosystem.
Abiotic factors are all nonliving components of an ecosystem. These factors include chemical and geological features such as water or lack of water, soil, rocks, and minerals. Other abiotic factors include physical components such as the temperature and weather affecting the ecosystem.
The biotic factors in an ecosystem include all living things. All plants, animals, fungi, protists, and bacteria within an ecosystem make up that system's biotic factors. The biotic factors can be broken down further into producers, consumers, and decomposers.
The biotic factors present in an ecosystem are highly dependent on the abiotic factors that are present. Even slight changes to either factor can have a major consequence upon the system as a whole.
Correct Answer: % produce best resistant varieties of plant
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