MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers

Mineral Nutrition Class 11 Biology MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 12 Mineral Nutrition with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have Provided Mineral Nutrition Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 11 Biology Chapter 12 Quiz

Class 11 Biology Chapter 12 MCQ Online Test

You can refer to NCERT Solutions for Class 11 Biology Chapter 12 Mineral Nutrition to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Mineral Nutrition Class 11 Biology MCQ online test

Q1.	In plants, a common symptom caused by deficiency of P, K, Ca and Mg is the
	A.bending of leaf tip
	B.formation of anthocyanins
	C.poor development of vasculature
	D.appearance of dead necrotic tissue

Ans: appearance of dead necrotic tissue

Q2.	Function of zinc is
	A.Closing of stomata
	B.Biosynthesis of 3-IAA
	C.Synthesis of chlorophyll
	D.Oxidation of carbohydrate

Ans: Synthesis of chlorophyll

Q3.	Which of the following is a group of micronutrients?
	A.Ca, Zn, B
	B.Fe, Mn, Cu
	C.Cl, C, Ca
	D.Ni, Mo, H

Ans: Fe, Mn, Cu
Explanation:
Iron, mangenese and copper are micronutrients.

Q4.	The process of conversion of NO₂^– to N₂ is called
	A.nitrification
	B.ammonification
	C.denitrification
	D.nitrogen fixation

Ans: denitrification
Explanation:
The process of conversation of NO₂^– to N₂ is called denitrification.

Q5.	The formation of first stable product of nitrogen fixation is catalysed by enzyme
	A.dehydrogenase
	B.nitrogenase
	C.isomerase
	D.none of these

Ans: nitrogenase
Explanation:
The first stable product of nitrogen fixation is ammonia obtained from atmospheric nitrogen catalysed enzyme nitrogenase.

Q6.	Manganese toxicity leads to deficiency of
	A.iron
	B.calcium
	C.magnesium
	D.all of the above

Ans: all of the above
Explanation:
Manganese toxicity causes deficiency of iron, magnesium and calcium.

Q7.	Chlorosis will occur if a plant is grown in
	A.dark
	B.shade
	C.strong light
	D.Fe – free medium

Ans: Fe – free medium

Q8.	Choose the correct function of magnesium.
	A.It is a constituent of several coenzyme.
	B.It activates the enzymes of respiration and photosynthesis.
	C.It activates enzyme catalase.
	D.It helps in maintaining anion-cation balance.

Ans: It activates the enzymes of respiration and photosynthesis.
Explanation:
Magnesium is absorbed by plants as Mg²⁺
It activates the enzymes of respiration and photosynthesis.
It is involved in the synthesis of DNA RNA.
It is the constituent of ring structure of chlorophyll.
It helps to maintain ribosome structure.

Q9.	Mineral salts which are absorbed by the roots from soil are in the form of
	A.Dilute solution
	B.Very concentrated solution
	C.Concentrated solution
	D.Very dilute solution

Ans: Very dilute solution

Q10.	Which one of the following mineral elements plays an in biological nitrogen fixation?
	A.Copper
	B.Manganese
	C.Zinc
	D.Molybdenum

Ans: Molybdenum

Q11.	Oxygen scavangers present in root nodules of legumes is
	A.haemoglobin
	B.leg haemoglobin
	C.cyano haemoglobin
	D.none of these

Ans: leg haemoglobin
Explanation:
Leg-haemoglobin is the oxygen scavanger in root nodules of legumes.

Q12.	Which one of the following is not a micronutrient?
	A.Magnesium
	B.Molybdenum
	C.Boron
	D.Zinc

Ans: Magnesium

Q13.	Which of the following is not a macronutrient
	A.iron
	B.calcium
	C.manganese
	D.phosphorus

Ans: manganese

Q14.	Insectivorous plants grow where
	A.There is carbohydrate deficient soil
	B.There is nitrogen deficient soil
	C.Vitamin c is required
	D.Hormones are required