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- Question
In which of the following, the cellular power plants - Mitochondria are absent?
Options- A. Bacteria
- B. Red Algae
- C. Brown Algae
- D. Green Algae
- Correct Answer
- Bacteria
ExplanationMitochondria is absent in Bacteria as well as in Blue Green Algae. They are seen in eukaryotic cells for respiration purpose.
- 1. Which of the following is a nucleotide found in DNA?
Options- A. Deoxyribose + Phosphate Group + Polymerase
- B. Adenine + Phosphate Group + Thymine
- C. Deoxyribose + Phosphate Group + Thymine
- D. Cytosine + Phosphate Group + Uracil Discuss
- 2. Sugar is a component of which of the following?
Options- A. Lipids
- B. Nucleic acids
- C. Carbohydrates
- D. Both B & C Discuss
- 3. What is a direct result of aerobic respiration?
Options- A. The enzymes for anaerobic respiration are produced and stored in lysosomes
- B. Alcohol is produced by yeast and bacteria
- C. The potential energy of glucose is transferred to ATP molecules
- D. Lactic acid is produced in muscle tissue Discuss
- 4. Most foodborne illnesses are treatable.
Options- A. TRUE
- B. FALSE Discuss
- 5. Amarbel is an example of
Options- A. parasite
- B. host
- C. autotroph
- D. saprotroph Discuss
- 6. The renal medulla is composed of tissue called
Options- A. Renal Sinus
- B. Renal Pyramids
- C. Vasa Recta
- D. Renal Pelvis Discuss
- 7. Which molecule is always single stranded?
Options- A. RNA
- B. DNA
- C. Mitochondria
- D. Cellulose Discuss
- 8. In what chief capacity does vitamin k function?
Options- A. raise plasma calcium
- B. blood clot
- C. produce rhodopsin
- D. bone density Discuss
- 9. Blood flow to a tissue will increase if the
Options- A. pH rises
- B. Level of carbon dioxide at the tissue increases
- C. Vessels constrict
- D. Level of oxygen at the tissue increases Discuss
- 10. Menstruation is triggered by a drop in the levels of
Options- A. progesterone
- B. relaxin
- C. FSH
- D. LH Discuss
Biology problems
Search Results
Correct Answer: Deoxyribose + Phosphate Group + Thymine
Correct Answer: Carbohydrates
Explanation:
Sugar is a component of Carbohydrates.
Correct Answer: The potential energy of glucose is transferred to ATP molecules
Explanation:
Aerobic respiration is the reaction takes place in presence of oxygen which quite opposite to anerobic. The direct result of aerobic repiration is ATP molecules from breakdown of glucose molecules.
Correct Answer: TRUE
Explanation:
Some common foodborne illness are like vomiting, diarrhea, fever, chills and abdominal pain. These all are acute i.e, they last for only some time and be cured without medication and some times by medication.
Correct Answer: parasite
Explanation:
Amarbel is an example of parasite.
Correct Answer: Renal Pyramids
Explanation:
The renal medulla is composed of tissue called Renal Pyramids.
Correct Answer: RNA
Explanation:
RNA is a single-stranded molecule in many of its biological roles and consists of a much shorter chain of nucleotides.
Correct Answer: blood clot
Explanation:
The chief capacity of vitamin K is to help our blood clot so that we don't bleed too much.
Vitamin K is actually made up of two different types of vitamins, Vitamin K1 and Vitamin K2. They are both responsible for helping the blood to clot so that people do not bleed to death. Vitamin K1 can be consumed by eating leafy green vegetables, such as kale and spinach, as well as other vegetables, such as broccoli and collard greens. Meats, cheeses, and eggs can provide a great source of Vitamin K2.
Correct Answer: Level of carbon dioxide at the tissue increases
Explanation:
The movement of blood in the body is called blood flow. The blood flows through the vessels, tissues and organs. Blood flow to a tissue will increase if the level of carbon dioxide at the tissue increases.
Correct Answer: progesterone
Explanation:
The principal hormone secreted by the corpus luteum is progesterone. Menstruation is triggered by a drop in the levels of progesterone.
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