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- Question
Which of the following harmone is called the emergency harmone ?
Options- A. Insulin
- B. Adrenaline
- C. Estrogen
- D. Oxytocin
- Correct Answer
- Adrenaline
- 1. Which of the following crops would be preffered for sowing in order to enrich the soil with nitrogen?
Options- A. Wheat
- B. Mustard
- C. Sunflower
- D. Gram Discuss
- 2. Phycology is the branch of botany in which we study about__________
Options- A. Algae
- B. fungi
- C. Ecology
- D. Virus Discuss
- 3. Infection of salivary glands by a virus leads to
Options- A. tetanus
- B. mumps
- C. pyorrhoea
- D. ulcers Discuss
- 4. Plants grow in size because of
Options- A. addition of cells
- B. increase in size of cells
- C. enlargement of cells
- D. elongation of cells Discuss
- 5. The disease Goitre is caused in persons who do not have in their diet sufficient
Options- A. calcium
- B. sodium
- C. iodine
- D. iron Discuss
- 6. Study of inter relationship between living organism and their environment is called _______
Options- A. Plant Geography
- B. Plant social science
- C. Ecology
- D. Ecosystem Discuss
- 7. What carries Blood away from the Heart?
Options- A. Arteries
- B. Veins
- C. Both A & B
- D. None Discuss
- 8. Where are Enzymes found?
Options- A. food
- B. human body
- C. medicines
- D. none Discuss
- 9. Select the correct statement about the pharynx.
Options- A. The auditory tube drains into the nasopharynx
- B. The laryngopharynx blends posteriorly into the nasopharynx
- C. The palatine tonsils are embedded in the lateral walls of the nasopharynx
- D. The pharyngeal tonsil is located in the laryngopharynx Discuss
- 10. Which structure is common to plant and animal cells?
Options- A. Centriole
- B. Chloroplast
- C. Central Vacuole
- D. Mitochondria Discuss
Biology problems
Search Results
Correct Answer: Gram
Correct Answer: Algae
Correct Answer: mumps
Explanation:
Mumps : This is a swelling caused by information of parotid glands placed in front of our ear region. The inflammation is caused by a virus.
Correct Answer: addition of cells
Explanation:
Plants grow in size both in height and in grith. Enlargement of cells already present cannot contribute much to the growth. Only addition of more and more cells could increase the size of the plant considerably.
Correct Answer: iodine
Explanation:
Goitre is characterized by the swelling of the neck region. This is due to the enlargement of the thyroid gland which secretes hormone thyroxine. Thyroxine has iodine as an integral part of it. If there is not sufficient iodine in one's diet, the thyroid gland swells up.
Correct Answer: Ecology
Correct Answer: Arteries
Explanation:
We know that the circulatory system of our body is a loop. The Heart is the pump, the arteries and their smaller branches (arterioles) carry oxygen rich blood all through your body tissues from the heart and the veins and their smaller branches (venules) carry oxygen depleted blood and waste products back to the heart from all the body parts.
Correct Answer: human body
Explanation:
Enzymes play an essential role in each living cell of our body. Enzymes are globular proteins that control biological reactions. These are of two types.
1. Intracellular enzymes
2. Extracellular enzymes
Intracellular enzymes are found inside the cell.
Extracellular enzymes act outside the cell.
Enzymes are produced by exocrine glands.
Digestive enzymes of diverse specificities are secreted by the salivary glands, stomach, pancreas, and the small intestine.
Correct Answer: The auditory tube drains into the nasopharynx
Correct Answer: Mitochondria
Explanation:
Mitochondria are present in both plant and animal cells.
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