How does pruning help in making the hedge dense?

1.	It induces the differentiation of new shoots from the rootstock
2.	It frees axillary buds from apical dominance
3.	The apical shoots grow faster after pruning
4.	It releases wound hormones

Treatment of seed at low temperature under moist conditions to break its dormancy is called 
1. scarification
2. vernalization
3. chelation
4. stratification

An enzyme that can stimulate germination of barley seeds is:-
1. α-amylase                 
2. lipase
3. protease                   
4. invertase

One set of a plant was grown at 12 hours a day and 12 hours night period cycles and it flowered while in the other set, night phase was interrupted by a flash of light and it did not produce a flower. Under which one of the following categories will you place this plant?
1. Darkness neutral
2. Day neutral
3. Short day
4. Long day

NCERT textbook says that plant growth is unique. What is the character of plant growth being referred to?
1. Plants have a closed growth
2. Capacity of unlimited growth throughout life
3. Complete absence of growth after a certain age
4. Growth without development

All the following contribute to an increase in girth of dicots and gymnosperms except:

Match Column I [phase of growth] and Column II [cell characteristics] and choose the correct answer from the codes given:

Codes

Identify the incorrect statement regarding the arithmetic growth?

The shape of the growth curve characteristic of a living organism growing in natural environment is:

Plant growth and further development is intimately linked to water status of the plant because:
A. Turgidity of cells helps in extension growth
B. It provides medium for enzymatic activity
1. Both A and B are correct                             
2. Only A is correct
3. Only B is correct                                         
4. Both A and B are incorrect