NEET BIOLOGY

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PLANT PHYSIOLOGY

PLANT GROWTH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Students treated a population of bean plants with fertilizer. They observed that these plants, on average, were taller than another population of the same kind of bean plants that were not treated with fertilizer. These observations lend support to which of the following conclusions?
A
Not all plants respond to fertilizer the same way.
B
Fertilizer can affect the growth of bean plants.
C
Survival of bean plants is dependent on fertilizer.
D
Only fertilizer can make bean plants larger.
Explanation: 

Detailed explanation-1: -Which of the following would provide the best evidence that genetic factors influence the growth of plants? Seeds from several different plants are planted under identical conditions and found to grow at different rates.

Detailed explanation-2: -The genotype of a plant affects its growth. For example, selected varieties of rice grow rapidly, maturing within 110 days, whereas others, in the same environmental conditions, grow more slowly and mature within 155 days. A producer has control over the genetic factor by his choice of variety.

Detailed explanation-3: -[Clarification Statement: Examples of local environmental conditions could include availability of food, light, space, and water. Examples of genetic factors could include large breed cattle and species of grass affecting growth of organisms.

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