An essential element is one

An essential element is one

Options

(a) Improve plant growth (b) Present in plant ash (c) Is indispensable for growth and is irreplaceable (d) Available in soil

Correct Answer:

Is indispensable for growth […]

Addition of a solute to pure water causes

Addition of a solute to pure water causes

Options

(a) Negative water potential (b) More negative water potential (c) Positive water potential (d) More positive water potential

Correct Answer:

Negative water potential

Explanation: […]

A trace element is an element which

A trace element is an element which

Options

(a) Is a radioactive and can be traced by Geiger counter (b) Is required in very minute amounts (c) Draws other element out of protoplasm […]

A total root parasite is

A total root parasite is

Options

(a) Dendrophthose (b) Orobanche (c) Viscum (d) Santalum

Correct Answer:

Orobanche

Explanation:

Orobanche is a total root parasite found on mustard, cabbage,potato,tomato,brinjal, etc.Aerial shoots are brown […]

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