Discussion
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- Question
The corner of the cells of collenchyma tissue in plant are thickened due to deposition of _____
Options- A. Lignin and suberin
- B. Suberin and cutin
- C. Cellulose and pectin
- D. Chitin and lignin
- Correct Answer
- Cellulose and pectin
- 1. The phenomenon of summer sleep by animals is called
Options- A. hibernation
- B. aestivation
- C. laziness
- D. lethargy Discuss
- 2. Name the blood cells in which nucleus is absent
Options- A. Lymphocytes
- B. Blood Platelets
- C. Monocytes
- D. Eosinophils Discuss
- 3. The energy released by 1 gram of glucose is
Options- A. 6 kcal
- B. 4 kcal
- C. 5 kcal
- D. 3kcal Discuss
- 4. 13 - Chambered heart occurs in
Options- A. Leech
- B. Earthworm
- C. Snail
- D. Cockroach Discuss
- 5. Animal without red blood cells
Options- A. Frog
- B. Earthworm
- C. Snake
- D. Peacock Discuss
- 6. Bone deformities occur due to the excess intake of
Options- A. Phosphorus
- B. Potassium
- C. Fatty acid
- D. Fluorine Discuss
- 7. The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?
Options- A. Protein and amino acids
- B. Lipids
- C. Carbohydrates
- D. Amino acids Discuss
- 8. Number of eyes found in Earthworm..........
Options- A. One
- B. Many
- C. No eye
- D. Two Discuss
- 9. The hormone that helps in Parthenocarpy
Options- A. Abscisic acid
- B. Gibberellin
- C. Ethylene
- D. Cytokinin Discuss
- 10. Tikka disease is related with the crop:
Options- A. Musturd
- B. Paddy
- C. Ground nut
- D. All of these Discuss
Biology problems
Search Results
Correct Answer: aestivation
Explanation:
Aestivation is summer sleep. Many organisms like the snails do not find it comfortable in summer. They withdraw and lead a life with reduced BMR (basic Metabolic Rate) in a state of dormancy.
Correct Answer: Blood Platelets
Correct Answer: 4 kcal
Correct Answer: Cockroach
Correct Answer: Earthworm
Correct Answer: Fluorine
Correct Answer: Protein and amino acids
Correct Answer: No eye
Correct Answer: Gibberellin
Correct Answer: Ground nut
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