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- Question
Potato is a modified form (outgrowth) of
Options- A. root
- B. stem
- C. fruit
- D. leaf
- Correct Answer
- stem
- 1. Plants that grow under average temperature and moisture are called
Options- A. halophytes
- B. hydrophytes
- C. mesophytes
- D. xerophytes Discuss
- 2. Poison glands of snakes are homologous to
Options- A. electric organs of fishes
- B. stings of rays
- C. sebaceous glands of mammals
- D. salivary glands of vertebrates Discuss
- 3. Prothrombin which helps in clotting of blood is released by
Options- A. lymphocytes
- B. erythrocytes
- C. monocytes
- D. blood platelets Discuss
- 4. Radioactivity is a phenomenon of the spontaneous emission of
Options- A. protons (alpha particles)
- B. electrons (beta particles)
- C. gamma rays (short wave electromagnetic waves)
- D. All of the above Discuss
- 5. Photosynthesis is a process
Options- A. reductive and exergonic
- B. reductive and catabolic
- C. reductive, endergonic and catabolic
- D. reductive, endergonic and anabolic Discuss
- 6. Oxygen in our blood is transported by a protein named
Options- A. haemoglobin
- B. keratin
- C. collagen
- D. myoglobin Discuss
- 7. Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
Options- A. tetanus
- B. influenza
- C. cholera
- D. typhoid Discuss
- 8. Most fish do not sink in water because of the presence of
- swim bladder
- air bladder
- air sacs
- air in spongy bones
Options- A. I and II are correct
- B. II and III are correct
- C. III and IV are correct
- D. I, II, III and IV are correct Discuss
- 9. Plants developing in dry conditions are
Options- A. xerophytes
- B. mesophytes
- C. lithophytes
- D. hydrophytes Discuss
- 10. Plants growing on sand are called as
Options- A. chasmophytes
- B. oxylophytes
- C. lithophytes
- D. psammophytes Discuss
Biology problems
Search Results
Correct Answer: mesophytes
Correct Answer: salivary glands of vertebrates
Correct Answer: blood platelets
Correct Answer: All of the above
Correct Answer: reductive, endergonic and anabolic
Correct Answer: haemoglobin
Correct Answer: cholera
Explanation:
Vibrio cholerae (also Kommabacillus) is a gram negative comma-shaped bacterium with a polar flagellum that causes cholera in humans
Correct Answer: I and II are correct
Correct Answer: xerophytes
Correct Answer: psammophytes
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