NEET BIOLOGY

GENETICS AND EVOLUTION

INHERITANCE AND VARIATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these would be the least useful characteristic in potato plants for a potato farmer.
A
producing a high yield
B
having the ability to cope with a lack of water.
C
having a low resistance to disease.
D
producing large potatoes
Explanation: 

Detailed explanation-1: -Potato plants grow up to 1m tall with hairy stems and leaves divided into around four leaflet pairs. Flowers can be white, pink, purple or blue with yellow centres; grow on stalks around 3cm long; and measure about 2.5cm across. Potato fruits are a succulent but inedible spherical, yellow-green berry, up to 4cm across.

Detailed explanation-2: -Gangrene. Gangrene is a slow-growing fungal disease of stored potatoes favoured by cool climates. Early symptoms are small round, dark depressions that may appear dark grey to brown. These grow to resemble thumb impressions and may overlap, leaving ridges in between.

There is 1 question to complete.