Chlorosis, i.e., loss of chlorophyll leading to yellowing in leaves, is caused by the deficiency of 

While in N, K and Mg deficiency, chlorosis appears first in _____ leaves; in S and Ca deficiency,_____ leaves are the first to be affected.

Deficiency symptoms of radially mobilised essential elements will first appear in _________

Yellowish edges appear in leaves deficient in

Necrosis mainly occurs by the deficiency of  

Premature leaf fall is due to deficiency of 

Necrosis refers to 

Absence of light during plant growth, result in pale colour seeds known as:

Which combination of statement is correct?
i. Biosynthesis of nucleorides,proteins and fatty acids takes place in the cytoplasm.
II. Nucleolus is present in the cytoplasm.
iii. Golgi apparatus helps in the forrmation of lysosomes.
iv. Flattened sacs of golgi apparatus is known as cisternae.
v. Ribsomes are not found in prokaryotic cells.

Deficiency symptons of nitrogen and potassium are visible first in.

Chlorosis is caused by the deficiency of.

Apoptosis is programmed cell death characterised by the formation of apoptotic bodies whereas necrosis characterised by bursting of cells. Which of the following condition/s lead/s to necrosis ?
i) Gaps and nicks formed in DNA during replication cannot be repaired.
(ii) Developing neurons fail to make synapses with neighbouring cells.
(iii) Heart muscle cells damaged by oxygen depletion followed by cardiac infarction. 

Ribulose phosphate is a ____________.

Which component of the ETS is carrier of electron as well as proton?

Which element is common to nucleic acids, phospholip ATP, ADP, NADPH, NAD, FAD?

Which one of the following statements can best explain the term critical concentration of an essential element? 

You observed that a plant's younger leaves, not the older ones, are yellowing. You recall that the cause of plant sickness can be diagnosed by which leaves are yellowing.
What is the most likely cause of your plant's blight?

Buds that produced lateral branches develop at

Buds typically occur at