Discussion
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- Question
Which among the following carries impure blood to human heart?
Options- A. Aorta
- B. Pulmonary vein
- C. Pulmonary arteries
- D. Vena Cava
- Correct Answer
- Pulmonary arteries
- 1. Insulin is a kind of _____
Options- A. hormone
- B. protein
- C. enzyme
- D. vitamin Discuss
- 2. Which blood group is universal acceptor?
Options- A. O+
- B. O?
- C. AB?
- D. AB+ Discuss
- 3. Photosynthesis takes place in the presence of chlorophyll and _________.
Options- A. water
- B. nutrients
- C. carbon-dioxide
- D. sunlight Discuss
- 4. What is the name of the hormone produced by thymus gland?
Options- A. Thyroxine
- B. Auxins
- C. Cytokinins
- D. Thymosin Discuss
- 5. Which Vitamin is obtained from Sun rays?
Options- A. Vitamin A
- B. Vitamin C
- C. Vitamin K
- D. Vitamin D Discuss
- 6. Goitre is caused by the deficiency of ___________
Options- A. Zinc
- B. Calcium
- C. Iodine
- D. Chlorine Discuss
- 7. The main protein found in milk is ____________
Options- A. Albumin
- B. Globulin
- C. Globin
- D. Casein Discuss
- 8. Which organ gets affected in Weil's disease?
Options- A. Liver
- B. Lungs
- C. Heart
- D. Kidney Discuss
- 9. What is the full form of RNA?
Options- A. Ribonucleic Acid
- B. Ribonitric Acid
- C. Ribonutrient Acid
- D. Reverse Nucleic Acid Discuss
- 10. Polynucleotide chain of DNA contains
Options- A. a nitrogenous base, deoxyribose sugar and phosphate group
- B. a nitrogenous base, ribose sugar and phosphate group
- C. deoxyribose sugar, ribose sugar and phosphate group
- D. a nitrogenous base and phosphate group only Discuss
Biology problems
Search Results
Correct Answer: hormone
Correct Answer: AB+
Correct Answer: sunlight
Correct Answer: Thymosin
Correct Answer: Vitamin D
Correct Answer: Iodine
Correct Answer: Casein
Correct Answer: Kidney
Correct Answer: Ribonucleic Acid
Correct Answer: a nitrogenous base, deoxyribose sugar and phosphate group
Explanation:
The two DNA strands are called polynucleotidesbecause they are composed of simpler monomer units called nucleotides. Eachnucleotideis composed of one of four nitrogen-containingnucleobases (cytosine, guanine, adenine or thymine), a sugar called deoxyribose, and a phosphate group.
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