Discussion
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- Question
Plants developing in dry conditions are
Options- A. xerophytes
- B. mesophytes
- C. lithophytes
- D. hydrophytes
- Correct Answer
- xerophytes
- 1. 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
- 2. Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
Options- A. tetanus
- B. influenza
- C. cholera
- D. typhoid Discuss
- 3. Oxygen in our blood is transported by a protein named
Options- A. haemoglobin
- B. keratin
- C. collagen
- D. myoglobin Discuss
- 4. Potato is a modified form (outgrowth) of
Options- A. root
- B. stem
- C. fruit
- D. leaf Discuss
- 5. Plants that grow under average temperature and moisture are called
Options- A. halophytes
- B. hydrophytes
- C. mesophytes
- D. xerophytes Discuss
- 6. Plants growing on sand are called as
Options- A. chasmophytes
- B. oxylophytes
- C. lithophytes
- D. psammophytes Discuss
- 7. Number of chromosomes in Down's syndrome is
Options- A. 46
- B. 47
- C. 48
- D. 49 Discuss
- 8. Photosynthesis takes place faster in
Options- A. yellow light
- B. white light
- C. red light
- D. darkness Discuss
- 9. Placenta is the structure formed
Options- A. by the union of foetal and uterine tissue
- B. by foetus only
- C. by fusion of germ layers
- D. None of these Discuss
- 10. Ramapithecus and Cro-Magnon man are considered
Options- A. ancestors of modern man
- B. ancestors of monkey
- C. ancestors of lion
- D. None of the above Discuss
Biology problems
Search Results
Correct Answer: I and II are correct
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: haemoglobin
Correct Answer: stem
Correct Answer: mesophytes
Correct Answer: psammophytes
Correct Answer: 47
Correct Answer: white light
Correct Answer: by the union of foetal and uterine tissue
Correct Answer: ancestors of modern man
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