Discussion
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- Question
Xylem helps in transportation of which of the following?
Options- A. Food
- B. Water
- C. Nutrients
- D. Both food and water
- Correct Answer
- Water
- 1. Which of the following is a work done by the placenta tissue in humans?
Options- A. Support the embryo
- B. Removes waste matter from the embryo and provide nutrition to the embryo
- C. Provide nutrition to the embryo
- D. Remove waste matter from the embryo Discuss
- 2. Which tissue makes the plant hard and stiff?
Options- A. Parenchyma
- B. Sclerenchyma
- C. Collenchyma
- D. Xylem Discuss
- 3. Which of the following is not a characteristic of Pisces?
Options- A. Exoskeleton of scales
- B. Breathing through gills
- C. Endoskeleton of bone/cartilage
- D. Presence of pseudocoelom Discuss
- 4. Sponges belongs to the phylum
Options- A. Protozoa
- B. Annelida
- C. Porifera
- D. Cnidaria Discuss
- 5. What is the total number of bones in the human body?
Options- A. 206
- B. 103
- C. 309
- D. 412 Discuss
- 6. Lacrymal glands are situated in the
Options- A. Palms
- B. Buccal cavity
- C. Buccal cavity
- D. Stomach Discuss
- 7. Companion cells are unique to
Options- A. Bryophytes
- B. Pteridophytes
- C. Angiosperms
- D. Gymnosperms Discuss
- 8. The hormone that stimulates heart beat is
Options- A. Thyroxine
- B. Gastrin
- C. Glycogen
- D. Dopamine Discuss
- 9. The presence of air bubble in blood stream is dangerous to life because
Options- A. Air combines with blood forming a complex
- B. The flow of blood increases manifold
- C. The flow of blood is obstructed
- D. The pressure of blood increases manifold Discuss
- 10. Which of the following plays an important role in photosynthesis?
Options- A. Chloroplast
- B. Centrosome
- C. Tonoplast
- D. Nematoblast Discuss
Biology problems
Search Results
Correct Answer: Removes waste matter from the embryo and provide nutrition to the embryo
Correct Answer: Sclerenchyma
Correct Answer: Presence of pseudocoelom
Correct Answer: Porifera
Correct Answer: 206
Correct Answer: Buccal cavity
Correct Answer: Angiosperms
Correct Answer: Thyroxine
Correct Answer: The flow of blood is obstructed
Correct Answer: Chloroplast
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