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- Question
Total salt content in blood is about
Options- A. 1.85 to 1.9%
- B. 11.85 to 11.9%
- C. 2.85 to 2.9%
- D. 0.85 to 0.9%
- Correct Answer
- 0.85 to 0.9%
- 1. During rainy season wooden doors are difficult to open or closure because of ?
Options- A. Imbibition
- B. Plasmolysis
- C. Diffusion
- D. Osmosis Discuss
- 2. Agrostology is the study of
Options- A. Seed of oil
- B. Crop
- C. Grass
- D. Fruits Discuss
- 3. The total number of pairs of Peripheral nerves in man are
Options- A. 41
- B. 42
- C. 43
- D. 44 Discuss
- 4. Botany is also known as
Options- A. Phytology
- B. Phycology
- C. Pedology
- D. Plantophyta Discuss
- 5. The outer membrane that covers the brain is
Options- A. Myelin sheath
- B. Dura mater
- C. Arachnoid membrane
- D. Pia mater Discuss
- 6. The gland that is present close to Trachea
Options- A. Pancreas
- B. Liver
- C. Adrrenal
- D. Thyroid Discuss
- 7. Dicotyledonous weeds are destroyed by a chemical called
Options- A. Indole - acetic acid
- B. 2- 4 dichlorophenoxy acetic acid
- C. Abscisic acid
- D. Naphthalene acetic acid Discuss
- 8. Vivipary is defined as germination
Options- A. during storage
- B. within the fruit
- C. with cotyledons coming out of soil
- D. with cotyledons remaining inside the soil Discuss
- 9. The rate of heartbeat is accelerated by the hormone
Options- A. adrenaline
- B. acetylcholine
- C. thyroxine
- D. pituitrin Discuss
- 10. The sex of a newborn baby is determined by the chromosome inherited from
Options- A. The Father
- B. The Mother
- C. The Father's Father
- D. Both A & B Discuss
Biology problems
Search Results
Correct Answer: Imbibition
Correct Answer: Grass
Correct Answer: 43
Correct Answer: Phytology
Correct Answer: Dura mater
Correct Answer: Thyroid
Correct Answer: 2- 4 dichlorophenoxy acetic acid
Correct Answer: within the fruit
Explanation:
Vivipary means germination even when attached to the mother plant. Usually the saline marsh plants (Halophytes) have their seeds growing even when they are inside the fruits attached to the tree.
Correct Answer: adrenaline
Explanation:
The hormone adrenaline also called epinephrine is known as a stress hormone. In emotional upsets( like fear, anger etc.) this hormone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.
Correct Answer: The Father
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