11th Biology, Chapter- 22, (Chemical Coordination and Integration ) 1. Which of the following statement is Incorrect? (a) Endocrine glands are called as Ductless glands. (b) They (Endocrine glands) secretes their secretions directly into the blood (c) Hormones are Non-nutrient chemicals which are produced in trace amount. (d) Hormones acts as Intercellular and Intracellular messengers. …
11th Biology, Chapter- 21, (Neutral Control And Coordination ) 1. Human Neural System may be divided into: (a) Central nervous system (b) Peripheral nervous system (c) Both of the above (d) None of the above (c) Both of the above Answer 2. Central nervous system consists of: (a) Brain (b) Spinal cord (c) Both of …
11th Biology, Chapter- 20, (Locomotion And Movements) 1. Which of the following pair is correctly matched? (a) Smooth muscles: Involuntary in nature (b) Skull: Sutures (c) Tropomyosin: Thin filament (d) All of the above (d) All of the above Answer 2. Which of the following pair is correctly matched? (a) Pivot joint: Between Atlas, Axis …
11th Biology, Chapter- 19, (Excretory Products and their Elimination) 1. Which of the following is most toxic? (a) Ammonia (b) Urea (c) Uric acid (d) Guanine (a) Ammonia Answer 2. Which of the following statements is/are Incorrect? (a) Ammonia is most toxic form and requires large amount of water for its elimination. (b) Aquatic animals …
11th Biology, Chapter- 18, (Body Fluids And Circulation ) 1. Lymph is also known as (a) Interstitial fluid Fluid (b) Tissue (c) Both of the these (d) None of the these (c) Both of the these Answer 2. Which of the following statements are frue with respect to Lymph? (a) It is colourless fluid and …
11th Biology, Chapter- 17, (Breathing & Exchange of Gases ) 1. Lungs have a large number of narrow tubes called (a) Alveolar ducts (b) Bronchi (c) Bronchioles (d) Alveoli (c) Bronchioles Answer 2. Respiratory movements are controlled by (a) Crura Cerebri (b) Medulla Oblongata (c) Cerebrum (d) Cerebellum (b) Medulla Oblongata Answer 3. Pleura is …
11th Biology, Chapter- 16, (Digestion And Absorption ) 1. Salivary gland secretes: (a) Saliva (b) HCI (c) Bile (d) Insulin (a) Saliva Answer 2. The enzyme present in saliva is named as (a) Succus entericus (b) Gastric juice (c) Salivary amylase (d) All of these (c) Salivary amylase Answer 3. Breakdown of Starch molecules is mediated …
11th Biology, Chapter- 15, (Plants Growth And Development) 1. Auxins help in the elongation of (a) Roots (b) Shoots (c) Nodes (d) Both (a) & (b) (a) Roots Answer 2. Growing of Apical bud inhibits the growth of the lateral buds, this phenomenon is called (a) Cell enlargement (b) Parthenocarpy (c) Femabness (d) Apical dominance …
11th Biology, Chapter- 14, (Respiration In Plants) 1. Electron Transport System (ETS) occurs in the (a) Nucleus of electron transport particles (b) In the cytoplasm (c) Inner surface of the inner membrance of mitochondria of electron transport particles (d) Outer surface of the outer membrane of mitochondria of electron transport particles (c) Inner surface of …
11th Biology, Chapter- 13, (Photosynthesis In Higher Plants) 1. A Chloroplast consists of (a) Grannum (b) Fluid Stroma (c) Stromal Lamellae (d) All of these (d) All of these Answer 2. The unit of Grana is: (a) Thylakoid/Photosynthetic membrane (b) Stroma (c) Stromal lamellae (d) All of the above (a) Thylakoid/Photosynthetic membrane Answer 3. The …