Biology problems
- 1. The Vitamin that is destroyed on heating
Options- A. E
- B. C
- C. A
- D. B Discuss
Correct Answer: C
- 2. 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
Correct Answer: 9.45
- 3. Important component that helps in clotting of the blood is called ____.
Options- A. Haemoglobin
- B. Platelets
- C. Serum
- D. Plasma Also asked in: AIEEE, Bank Exams, CAT, Bank Clerk, Bank PO
Correct Answer: Platelets
Explanation:
Blood Platelets are the components of the blood that are helpful in clotting of the blood.
- 4. The brain is covered by
Options- A. meninges
- B. skin
- C. bone
- D. all the above Discuss
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
- 5. Cross Contamination is prevented by Also asked in: Analyst
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
- 6. 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 Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank PO
Correct Answer: Chloroplasts and Mitichondria
Explanation:
DNA can be found in 3 Organelles namely Nucleus, Mitochondria in animals and Chloroplasts in plants.
- 7. Deficiency of which minerals causes goiter?
Options- A. Magnesium
- B. Calcium
- C. Iodine
- D. Sulphur Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Iodine
Explanation:
Deficiency of Iodine cause Goiter also called Enlarged Thyroid. It doesn't give any pain but difficult to swallow and breath are its causes.
- 8. "Pellagra" is caused due to the deficiency of
Options- A. Niacin
- B. Riboflavin
- C. Thiamine
- D. Pyridoxine Discuss
Correct Answer: Niacin
- 9. 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
Correct Answer: Plague and Malaria
- 10. Cellulose is a
Options- A. Mineral
- B. Protein
- C. Fat
- D. Carbohydrate Discuss
Correct Answer: Carbohydrate
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