Free Mineral Nutrition (Daily Quiz: 6) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Match the element with its associated functions/roles and choose the correct among given below.

(A) Boron	(i) Splitting of $H_2 O$ to liberate $O_2$ during photosynthesis
(B) Manganese	(ii) Needed for synthesis of auxins
(C) Molybdenum	(iii) Component of nitrogenase
(D) Zinc	(iv) Pollen germination
(E) Iron	(v) Component of ferredoxin

(a) (A)–(iv), (B)–(i), (C)–(iii), (D)–(ii), (E)–(v)

(b) (A)–(i), (B)–(ii), (C)–(iii), (D)–(iv), (E)–(v)

(c) (A)–(iii), (B)–(ii), (C)–(iv), (D)–(v), (E)–(i)

(d) (A)–(ii), (B)–(iii), (C)–(v), (D)–(i), (E)–(iv)

Question-2

Which of the following elements plays an important role in biological nitrogen fixation?

(a) Molybdenum

(b) Zinc

(c) Copper

(d) Manganese

Question-3

Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D.

	A	B	C	D
(a)	Nitrification	Ammonification	Animals	Plants
(b)	Denitrification	Ammonification	Plants	Animals
(c)	Nitrification	Denitrification	Animals	Plants
(d)	Denitrification	Nitrification	Plants	Animals

(a) (a)

(b) (b)

(c) (c)

(d) (d)

Question-4

Hydroponics refers to the plant development

(a) in saline soil.

(b) without soil.

(c) in water without soil.

(d) without soil with alkaline pH.

Question-5

Assertion:
Nitrogen fixing bacteria in legume root nodules survive in oxygen depleted cells of nodules.
Reason:
Leghaemoglobin completely removes oxygen from the nodule cells.

(a) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.

(b) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.

(c) If the assertion is true but the reason is false.

(d) If both the assertion and reason are false.