CBSE Class 11 Biology Structural Organisation In Animals Worksheet

Question. If the head of cockroach is removed, it may live for few days because (a) the supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen (b) the cockroach does not have nervous system (c) the head holds a small proportion of a nervous system…

CBSE Class 11 Biology Plant Growth And Development Worksheet Set A

CLASS XI PLANT GROWTH AND DEVELOPMENT WORKSHEET-16 1. Write the full form of IAA, IBA, NAA. 2. What is apical dominance? 3. Name the plant hormone that can delay senescence. 4. What is growth curve? 6. . Distinguish between differentiation and dedifferentiation. 7. A…

CBSE Class 11 Biology Neural Control And Coordination Enrichment Worksheet Set B

CLASS XI NEURAL CONTROL AND COORDINATION WORKSHEET- 5 1 Define coordination. Name the systems involved in coordinated activities of our organs. 2 Draw a flow chart showing the parts of human neural system. 3 With the help of a neat labeled diagram, explain the structure of…

CBSE Class 11 Biology Neural Control And Coordination Enrichment Worksheet Set A

Fill in the following blanks with suitable words : (a) The two examples of effectors are .................and ..................... Answer : muscle; glands (b) Our..................system allows us to react to our surroundings. Information from receptors passes along…

CBSE Class 11 Biology Morphology of Flowering Plants Worksheet

MULTIPLE CHOICE QUESTIONS Question. Inflorescence of Ficus is  (a) spike (b) hypanthodium (c) raceme (d) verticillaster Answer. B Question. If the anthers are fused together forming a tubular structure while the filaments remain free,the condition is found in which one…

CBSE Class 11 Biology Locomotion And Movement Enrichment Worksheet Set B

Locomotion and Movement MCQ Questions with Answers Class 11 Biology  Question. The number of bones present in the skeleton that runs along the middle longitudinal axis of the body is (1) 87 (2) 90 (3) 80 (4) 78 Answer (3)   Question. The U-shaped bone…

CBSE Class 11 Biology Locomotion And Movement Enrichment Worksheet Set A

Locomotion and Movement MCQ Questions with Answers Class 11 Biology  Question. ATP binding site is located on the (a) Tropomyosin (b) Actin (c) Myosin (d) Troponin Answer: C Question. The dark band present on myofibril is (a) Isotropic band (b) Anisotropic…

CBSE Class 11 Biology Excretory Products And Their Elimination Worksheet Set B

Excretory Products And Their Elimination MCQ Questions with Answers Class 11 Biology Question- In which segment of the nephron, reabsorption is minimum? (1) Proximal convoluted tubule (PCT) (2) Distal convoluted tubule (DCT) (3) Loop of Henle (4) Both (1) & (2)…

CBSE Class 11 Biology Excretory Products And Their Elimination Worksheet Set A

Excretory Products And Their Elimination MCQ Questions with Answers Class 11 Biology Question- The condition of accumulation of urea in blood is termed as (1) Uremia (2) Diuresis (3) Glycosuria (4) Haematuria Answer (1)   Question- The excretory structure of…

CBSE Class 11 Biology Digestion And Absorption Enrichment Worksheet Set A

CLASS XI DIGESTION AND ABSORPTION ENRICHMENT WORKSHEET 1. Enumerate the functions of saliva. 2. Describe the digestion of milk in an infant 3. How are micelles and chylomicrons different? 4. Name the source of enterokinase. Mention its function. 5. Write the function of…

CBSE Class 11 Biology Cell The Unit Of Life Worksheet

Question. A cell organelle containing hydrolytic enzymes is (a) lysosome (b) microsome (c) ribosome (d) mesosome. Answer. A Question. Mitochondria and chloroplast are (A) semi-autonomous organelles (B) formed by division of pre-existing organelles and they contain DNA but…

CBSE Class 11 Biology Cell Cycle And Cell Division Worksheet Set A

Cell Cycle And Cell Division MCQ Questions with Answers Class 11 Biology Question : Which of the following cellular structures always disappears during mitosis and meiosis? (a) Plastid and nuclear membrane (b) Nucleolus and nuclear membrane (c) Endoplasmic reticulum and…

CBSE Class 11 Biology Breathing And Exchange Of Gases Worksheet Set B

1 Identify the types of respiratory organs in the following organisms. a) Earthworms b) Insects c) Terrestrial organisms 2 Write the function of pleural fluid. 3 Explain how the process of inspiration take place. 4 Define the following: a) Tidal volume b) Residual volume c…

CBSE Class 11 Biology Biomolecule Worksheet

Question. Which of the following carbohydrate is stored in liver (a) Cellulose (b) Glucose (c) Glycogen (d) Maltose Answer: B Question. The helical structure of protein is stabilized by: (a) Peptide band (b) Dipeptide band (c) Hydrogen bands (d) Vander Waal’s forces…

CBSE Class 11 Biology Biological Classification Worksheet

Important Questions for NCERT Class 11 Biology Biological Classification Question. Viruses have (a) DNA enclosed in a protein coat (b) prokaryotic nucleus (c) single chromosome (d) both DNA and RNA.  Answer. A Question. Which statement is wrong for viruses? (a)…