A condition of green plants in which they become unhealthy and pale fellow in colour is known as_________________?

Related Mcqs:

Optimum pH for cotton plant lies between______________?

A. 5.2 to 9.0 B. 5.2 to 7.0 C. 3.5 to 5.5 D. non of these...

The transport of a substance across a biological membrane against a concentration gradient is called___________________?

A. Passive transport B. Active transport C. Absorption D. Dissolution...

A region with an annual rain fall of less than 10 inches comes under_________________?

A. Arid climate B. Semi arid climate C. Wet climate D. Temperature...

The leguminous plants are important in agriculture because_________________?

A. They need very little water to grow B. Six crops are harvested in a year C. They are disease resistant D. Help in nitrogen economy of nature...

Pakistan has a total forest area of about_________________?

A. 22 million ha B. 32 million ha C. 12 million ha D. 20 million ha...