Answer:
Option-D
Explanation:
A reflex arc is the neuron pathway which is involved in producing the response to reflex action or the immediate response.
The reflex arc pathway involves the sensory neurons, interneurons and the motor neurons.
Although the reflex arc pathway involves the brain later but in producing response the brain is not involved.
The stimuli are perceived by the spinal cord but not the brain therefore the selected option is correct.
Thus, option-D is correct.
Answer:
All the above options are correct. Hence the most relevant answers for the questions are all the options mentioned above.
Explanation:
Common names are not preferred because they can vary according to the people living in the society, religion, culture and their own suitability. We can get various example where a animal is known by various names in different countries or region.
Providing scientific name that is accepted by all over the world is more convenient rather than common names which are given by the local people to the specific animal or bird. Scientific name remove all the confusion between the the people. common names can be kept according to their location culture species and their language
Answer: alleles
Explanation:
"An allele is a variant form of a gene. Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism."- Nature .com
An example of secondary pollutant is sulfurage
