Answer:
Explanation:
Phototropism is the growth of organism characterize by their response to light stimulus. It occurs mainly in plant and some Algae.
The response of plant to light enable them use energy from light needed for photosynthesis.
Plant Phototropism characterise some plant growth and development such as flowering,fruiting and seedling formation.
Inability of plant to respond to light reduces it ability to photosynthesize and make sugar needed for their activities ,flower and fruits. It reduces it growth and development.
We have positive and negative response. Positive response is the response of plant towards the direction of light while negative response is the response of plant away from light.
Answer: Option C
Explanation:
Edward syndrome is also called as trisomy which is a genetic disorder. This disorder is caused due to the third copy of the all the part of the chromosome number 18.
The babies that are born is small and have heart defects. They have overlapping fingers.
The ultrasound cannot detect the problem but the process of amniocentesis can confirm the syndrome.