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- Question
Polyploidy is involved in which of the following examples?
Options- A. XYY males
- B. Some plants alternate between haploid and diploid phases
- C. XO females
- D. A normal watermelon has 22 chromosomes but seedless watermelons have 33 chromosomes
- Correct Answer
- A normal watermelon has 22 chromosomes but seedless watermelons have 33 chromosomes
- 1. What distinguishes Atherosclerosis from Arteriosclerosis? Discuss
- 2. What nitrogenous bases are found in RNA?
Options- A. Thymine
- B. Uracil
- C. Guanine
- D. All of the above Discuss
- 3. Which lists the correct order of evolutionary history?
Options- A. jellyfish, reptiles, mammals
- B. mammals, crabs, reptiles
- C. reptiles, jellyfish, mammals
- D. crabs, mammals, reptiles Discuss
- 4. Hypercalcemia can be caused by
Options- A. malignancy
- B. hyper-parathyroidism
- C. both A & B
- D. None of the above Discuss
- 5. Which structure is specific to eukaryotic cells?
Options- A. Nucleus
- B. DNA
- C. Cytoplasm
- D. Cell membrane Discuss
- 6. Homeostasis is the condition in which the body maintains
Options- A. a relatively stable internal environment within limits
- B. a changing state within an unlimited range
- C. the lowest possible energy usage
- D. a static state with no deviation from preset points Discuss
- 7. Where are the taste receptors located?
Options- A. epiglottis
- B. upper esophagus
- C. tip of the tongue
- D. All of the above Discuss
- 8. Which of the following vitamins is synthesized by intestinal bacteria?
Options- A. Vitamin B
- B. Vitamin A
- C. Vitamin D
- D. Vitamin K Discuss
- 9. Yeast used in making bread is a
Options- A. Fungus
- B. Bacteria
- C. Seed
- D. Plant Discuss
- 10. Select the correct statement about immune system?
Options- A. The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins
- B. The most common form of immunodeficiency is graftversushost (GVH) disease
- C. Severe combined immunodeficiency (SCID) disease is an acquired condition
- D. Hodgkin's disease is a hereditary immunodeficiency found in children Discuss
Biology problems
Search Results
Correct Answer: The condition of blockage of the artery due to plaque deposition in the walls which can lead to stroke or heart attack is called Atherosclerosis Whereas, The condition in which the stiffening or hardening of the arteries is called as Arteriosclerosis
Correct Answer: All of the above
Correct Answer: jellyfish, reptiles, mammals
Explanation:
The correct order of evolutionary history from the above given options is jellyfish, reptiles, mammals.
Correct Answer: both A & B
Correct Answer: Nucleus
Correct Answer: a relatively stable internal environment within limits
Correct Answer: All of the above
Correct Answer: Vitamin K
Explanation:
Most of the Vitamin K is synthesized by intestinal bacteria in the large intestine.
Correct Answer: Fungus
Explanation:
Yeast used in making bread is a Fungus.
Correct Answer: The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins
Explanation:
Among the given options, the correct statement about immunodeficiency is "The causative agent in acquired immune deficiency syndrome (AIDS) is a virus that recognizes CD4 proteins".
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