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- Question
Sponges are most accurately described as
Options- A. marine predators
- B. chemoautrophs
- C. filter feeders
- D. freshwater scavengers
- Correct Answer
- filter feeders
- 1. Which bacteria cause the greatest harm in the food industry?
Options- A. Recycling
- B. Digestive
- C. Fermenting
- D. Pathogenic Discuss
- 2. Which systems comprise the nervous system?
Options- A. Central nervous system
- B. Peripheral nervous system
- C. Both A & B
- D. None of the above Discuss
- 3. The process of bones increasing in width is known as
Options- A. appositional growth
- B. concentric growth
- C. closing of the epiphyseal plate
- D. long bones reaching adult length and width Discuss
- 4. Which of these is an example of a haploid cells?
Options- A. Sperms
- B. Neurons
- C. Red blood cells
- D. All of the above Discuss
- 5. Factors that aid venous return include all except
Options- A. pressure changes in the thorax
- B. urinary output
- C. activity of skeletal muscles
- D. venous valves Discuss
- 6. The arbor vitae refers to
Options- A. the pleatlike convolutions of the cerebellum
- B. cerebellar gray matter
- C. flocculonodular nodes
- D. cerebellar white matter Discuss
- 7. Select the correct statement about the uterine cycle.
Options- A. During the secretory phase, estrogen levels are at their highest.
- B. During the proliferative phase, levels of progesterone rise as the follicle begins to produce more hormone.
- C. If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
- D. The menstrual phase of the cycle is from day 1 to day 8. Discuss
- 8. What happens at the synapse between two neurons?
Options- A. electrical signals are converted into chemical
- B. chemical signals are converted into physical
- C. physical signals are converted into chemical
- D. None of the above Discuss
- 9. The energy in most ecosystems comes from
Options- A. Water
- B. Carbon dioxide
- C. Sun
- D. Soil Discuss
- 10. Which of the following cells produce antibodies?
Options- A. Plasma cells
- B. Monocytes
- C. Mast cells
- D. Neutrophils Discuss
Biology problems
Search Results
Correct Answer: Pathogenic
Explanation:
Pathogenic bacteria cause the greatest harm in the food industry.
Correct Answer: Both A & B
Explanation:
The nervous system of the human brain consists of the central nervous system which has brain and the spinal cord and the peripheral nervous system which has perpheral, cranary, spinal nerves.
Correct Answer: appositional growth
Correct Answer: Sperms
Explanation:
In the above options, sperms are the haploid cells. In humans, haploid cells are those have only half the number of usual number of chromosomes. Sperm, gamates and egg cells are the haploid cells examples.
Correct Answer: urinary output
Correct Answer: cerebellar white matter
Correct Answer: If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo.
Explanation:
"If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo." is the only correct statement about the uterine cycle among the options.
Correct Answer: electrical signals are converted into chemical
Explanation:
At the synapse between two neurons, electrical signals are converted into chemical signals. A synapse is the gap between the two neurons.
Correct Answer: Sun
Explanation:
The energy in most ecosystems comes from sun light.
Correct Answer: Plasma cells
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