NCERT Solution of Class 11 Biology MCQ Important Question Answer solution with pdf. Here We Provides Class 1 to 12 all Subjects NCERT Solution with Notes, Question Answer, CBSE and HBSE Important Questions, MCQ and old Question Papers for Students.
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HBSE ( Haryana Board ) Solution of Class 11th Biology MCQ Important questions with answer Solution.
HBSE Class 11 Biology Important MCQ Question Answer 2024
Class 11 Biology Chapter 1 – The Living World Important MCQ Question Answer 2024
1. The taxonomical unit phylum in the classification of animals is equivalent to which hierarchical level in classification of plants?
(A) Class
(B) Order
(C) Division
(D) Family
Answer
Ans – (C) Division
Class 11 Biology Chapter 2 – Biological Classification Important MCQ Question Answer 2024
1. Which of the following lack cell wall?
(A) Mycoplasma
(B) Archacbacteria
(C) Dinoflagellate
(D) Chrysophytes
Answer
Ans – (A) Mycoplasma
2. The five kingdom classification was proposed by:
(A) R. H. Whittaker
(B) C. Linnaeus
(C) A. Roxberg
(D) Virchow
Answer
Ans – (A) R. H. Whittaker
Class 11 Biology Chapter 3 – Plant Kingdom Important MCQ Question Answer 2024
1. In which class r-Phycoerythrin is the major pigment ?
(A) Chlorophyceae
(B) Phaeophyceae
(C) Rhodophyceae
(D) None of these
Answer
Ans – (C) Rhodophyceae
2. In which class the fucoxanthin is the major pigment?
(A) Chlorophyceae
(B) Phaeophyceae
(C) Rhodophyceae
(D) None of these
Answer
Ans – (B) Phaeophyceae
3. Protonema is :
(A) Haploid and is found in mosses
(B) Diploid and is found in pteridophytes.
(C) Diploid and is found in liverworts
(D) Haploid and is found in pteridophytes
Answer
Ans – (A) Haploid and is found in mosses
Class 11 Biology Chapter 4 – Animal Kingdom Important MCQ Question Answer 2024
1. The animals of which of the following have closed circulatory system.
(A) Annelida
(B) Arthropoda
(C) Mollusca
(D) None of these
Answer
Ans – (A) Annelida
2. In which phylum closed circulatory system is present?
(A) Annelida
(B) Arthropoda
(C) Mollusca
(D) Hemichordata
Answer
Ans – (A) Annelida
3. Which of the following is pseudocoelomate?
(A) Porifera
(B) Coelenterata
(C) Platyhelminthes
(D) Aschelminthes
Answer
Ans – (D) Aschelminthes
4. Birds and mammals share one of the following characteristics as a common features.
(A) Pigmented skin
(B) Pneumatic bones
(C) Viviparity
(D) Warm blooded
Answer
Ans – (D) Warm blooded
Class 11 Biology Chapter 5 – Morphology of Flowering Plant Important MCQ Question Answer 2024
1. The ovary of which flowers is superior?
(A) China rose
(B) Mustard
(C) Both (A) & (B)
(D) Cucumber
Answer
Ans – (C) Both (A) & (B)
2. Which is having parietal placentation ?
(A) Sunflower
(B) Marigold
(C) Primrose
(D) Argemone
Answer
Ans – (D) Argemone
3. Which is having free central placentation?
(A) Dianthus
(B) Mustard
(C) Sunflower
(D) Marigold
Answer
Ans – (A) Dianthus
4. Which of the following acts as auditory receptor ?
(A) Crista
(B) Macula
(C) Organ of corti
(D) All of these
Answer
Ans – (C) Organ of corti
Class 11 Biology Chapter 6 – Anatomy of Flowering Plants Important MCQ Question Answer 2024
1. Which element play important role in opening and closing of stomata ?
(A) Nitrogen
(B) Phosphorus
(C) Potassium
(D) Calcium
Answer
Ans – (C) Potassium
2. Companion cells are specialized :
(A) Parenchymatous cells
(B) Collenchyma cell
(C) Sclerenchymatous cells
(D) None of these
Answer
Ans – (A) Parenchymatous cells
Class 11 Biology Chapter 7 – Structural Organisation in Animals Important MCQ Question Answer 2024
Class 11 Biology Chapter 8 – Cell : The Unit of Life Important MCQ Question Answer 2024
1. Which cell organelle is surrounded by single membrane ? Most Important
(A) Lysosome
(B) Ribosome
(C) Mitochondria
(D) Nucleus
Answer
Ans – (A) Lysosome
2. Phloem fibres are made-up of:
(A) Parenchymatous cells
(B) Collenchymatous cells
(C) Sclerenchymatous cells.
(D) None of these
Answer
Ans – (C) Sclerenchymatous cells.
Class 11 Biology Chapter 9 – Biomolecules Important MCQ Question Answer 2024
1. Inulin is a polymer of: Most Important
(A) Glucose
(B) Fructose
(C) Galactose
(D) None of these
Answer
Ans – (B) Fructose
Class 11 Biology Chapter 10 – Cell Cycle and Cell Division Important MCQ Question Answer 2024
1. In which of the following Synaptonemal complex is formed?
(A) Leptotene
(B) Zygotene
(C) Pachytene
(D) Diakinesis
Answer
Ans – (B) Zygotene
2. The stage when chiasmata are seen is :
(A) Zygotene
(B) Pachytene
(C) Diplotene
(D) Diakinesis
Answer
Ans – (C) Diplotene
Class 11 Biology Chapter 11 – Photosynthesis in Higher Plants Important MCQ Question Answer 2024
Class 11 Biology Chapter 12 – Respiration in Plants Important MCQ Question Answer 2024
Class 11 Biology Chapter 13 – Plant Growth and Development Important MCQ Question Answer 2024
1. Which element is needed for synthesis of Auxin ?
(A) Manganese
(B) Zinc
(C) Copper
(D) Boron
Answer
Ans – (B) Zinc
2. ABA acts as antagonistic to:
(A) Ethylene
(B) Cytokinin
(C) Gibberellic acid
(D) IAA
Answer
Ans – (C) Gibberellic acid
Class 11 Biology Chapter 14 – Breathing and Exchange of Gases Important MCQ Question Answer 2024
1. Which of the following is made-up of single layer of cells ?
(A) Squamous epithelium
(B) Cuboidal epithelium
(C) Columnar epithelium
(D) All of these
Answer
Ans – (A) Squamous epithelium
Class 11 Biology Chapter 15 – Body Fluids and Circulation Important MCQ Question Answer 2024
1. Which of the following have oxygenated blood?
(A) Vena cava
(B) Pulmonary vein
(C) Right auricle
(D) Right ventricle
Answer
Ans – (B) Pulmonary vein
2. Which is responsible for immune responses of the body?
(A) Basophil
(B) Eosinophil
(C) Lymphocytes
(D) Thrombocytes
Answer
Ans – (B) Eosinophil
Class 11 Biology Chapter 16 – Excretory Products and their Elimination Important MCQ Question Answer 2024
1. If the external solutions more dilute than the cytoplasm, it is :
(A) Hypotonic
(B) Hypertonic
(C) Isotonic
(D) None of these
Answer
Ans – (A) Hypotonic
2. In which of the following solution cell swell?
(A) Hypertonic
(B) Hypotonic
(C) Both (A) & (B)
(D) Isotonic
Answer
Ans – (B) Hypotonic
3. Which is uricotelic?
(A) Earthworm
(B) Cockroach
(C) Frog
(D) Human being
Answer
Ans – (B) Cockroach
4. Glomerulus along with Bowman’s capsule is called:
(A) Proximal convoluted tubule
(B) Distal convoluted tubule
(C) Henle’s loop
(D) None of these
Answer
Ans – (D) None of these
5. Glomerulus along with Bowman’s capsule is called:
(A) Proximal convoluted tubule
(B) Distal convoluted tubule
(C) Henle’s loop
(D) malpighian body or renal corpuscle
Answer
Ans – malpighian body or renal corpuscle
6. Renin is released by:
(A) Small Intestine
(B) Large Intestine
(C) Stomach
(D) None of these
Answer
Ans – (C) Stomach
Class 11 Biology Chapter 17 – Locomotion and Movement Important MCQ Question Answer 2024
1. Which joint is present between atlas and axis vertebra :
(A) Hinge
(B) Pivot
(C) Gliding
(D) Saddle
Answer
Ans – (B) Pivot
Class 11 Biology Chapter 18 – Neural Control and Coordination Important MCQ Question Answer 2024
Class 11 Biology Chapter 19 – Chemical Coordination and Integration Important MCQ Question Answer 2024