Free Mineral Nutrition (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is

(a) Chlorella

(b) Nostoc

(c) Tolypothrix

(d) Anabaena

Question-2

Element necessary for middle lamella is

(a) Zn

(b) K

(c) Ca

(d) Cu

Question-3

Which mineral nutrients are called critical element for crops?

(a) C, H, O

(b) N, S, Mg

(c) N, P, K

(d) K, Ca, Fe

Question-4

Which of the following can fix atmospheric nitrogen ?

(a) Cystopus

(b) Albugo

(c) Saprolegnia

(d) Anabaena

Question-5

The deficiencies of micronutrients, not only affects growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements shall affect most, both photosynthetic and mitochondrial electron transport?

(a) Ca, K, Na

(b) Mn, Co, Ca

(c) Co, Ni, Mo

(d) Cu, Mn, Fe