What is the advantage of growing algae in an algae bioreactor (PBR) over growing them in an open pond?

1) Algae grown in PBR are not susceptible to contamination from native species as is the case in an open pond.

2) The ability to control the density of algae cell colonies in a PBR more easily than an open pond leads to higher productivity in a PBR.

Which of the above is/are correct?

Consider the following about lateral roots.

1) It extends horizontally from the primary root.

2) It contributes to improved water and nutrients uptake.

3) Its growth is independent of plant hormones.

Select the correct answer using the codes below.

Probiotics are beneficial bacteria that primarily line your gut. They are also responsible for

1) Nutrient absorption

2) Causing high blood pressure

Select the correct answer using the codes below.

Same substances can act as an antiseptic as well as disinfectant by

1) Varying its concentration

2) Using it on inanimate surfaces instead of animate biological surfaces

Which of the above is/are correct?

With reference to reproduction in plants, Heterogamy is the practice of