Forestry

Phytobiology

Phytogeography

Ecosystem

Phytosociology

Nurse

Main

Subsidiary

All of the above

In-situ conservation

Ex-situ conservation

Why conserve biological diversity

All of the above

Sometimes two shoots appear at the same time, giving usually a larger crown but from the forester’s point of view, this is a most unsatisfactory bole

Forking is often caused by injuries such as those resulting from frost damage, wind or hail storms, insect attack, particularly by budwarm (Salmalia)

Both (a) & (b)

None of these

DDT is a growth retardant

DDT disturbed hormonal balance essential for fruit setting

DDT killed the pollinating insects along with the pests

DDT inhibited flowering

The purpose of mechanical scarification is to modify hard

Or impervious seed coats

Both (a) & (b)

None of these

Geological erosion

Surface creep

Both (a) & (b)

Accelerated erosion

Standing crop

Standing quality

Both (a) & (b)

Standing state

Preventive

Remedial measures

Both (a) & (b)

To grant mechanical support

Due to light factor

To draw water from deeper zones

None of the above