ICSE CLASS 7 BIOLOGY SAMPLE PAPER – 2
ICSE Board
Class VII Biology
Paper – 2
Time: 2 Hrs Max. Marks:75
General Instructions:
1. All questions are compulsory.
2. Questions 1 to 15 carry one mark each.
3. Questions in 2 A and B carry one mark each.
4. Questions in 3 A carry one mark each and B carries 5 marks.
5. Question 4 A and B carries 5 marks each.
6. Questions in 5 A and B carry one mark each.
7. Questions in 6A and B carry one mark each.
8. Question 7 A and B carry five marks each.
Question 1 [15]
1. _______ are dense connective tissues containing only fibroblasts and collagen fibers.
(a) Bones
(b) Ligaments
(c) Tendons
(d) Cartilage
2. Which of the following body areas are used for skin prick test?
(a) Hand
(b) Forearm and back
(c) Palm
(d) Shoulder
3. Which of the following are not striated muscles?
(a) Muscles of the arm
(b) Muscles of the face
(c) Muscles of the legs
(d) Muscles of the urinary bladder
4. Unicellular organisms with a proper nucleus belong to
(a) Protista
(b) Monera
(c) Fungi
(d) Algae
5. The fine branches given out from the cell body of a nerve cell are
(a) Dendrites
(b) Cyton
(c) Axon
(d) Neuron
6. Which of the following is not an arthropod?
(a) Prawn
(b) Butterfly
(c) Earthworm
(d) Spide
7. Stomata are present on the surface of
(a) Leaves
(b) Roots
(c) Stem
(d) Flower
8. Which of the following chemicals is added during respiration experiments to prevent
bacterial growth on dead seeds?
(a) Citric acid
(b) Carbolic acid
(c) Pyrogallic acid
(d) Potassium permanganate
9. Which of the following stores urine?
(a) Ureter
(b) Urethra
(c) Urinary bladder
(d) Kidney
10. Which of the following constitutes an organ?
(a) Tissues
(b) Organism
(c) Organ System
(d) None of the above
11. Which of following tissues stores fats?
(a) Areolar tissue
(b) Adipose tissue
(c) Epithelial tissue
(d) Ligaments
12. Excretion in Amoeba takes place with the help of _______.
(a) Food vacuole
(b) Contractile vacuole
(c) Pseudopodia
(d) Cilia
13. Identify this method of reproduction.
(a) Leaves
(b) Roots
(c) Stem
(d) Flower
8. Which of the following chemicals is added during respiration experiments to prevent
bacterial growth on dead seeds?
(a) Citric acid
(b) Carbolic acid
(c) Pyrogallic acid
(d) Potassium permanganate
9. Which of the following stores urine?
(a) Ureter
(b) Urethra
(c) Urinary bladder
(d) Kidney
10. Which of the following constitutes an organ?
(a) Tissues
(b) Organism
(c) Organ System
(d) None of the above
11. Which of following tissues stores fats?
(a) Areolar tissue
(b) Adipose tissue
(c) Epithelial tissue
(d) Ligaments
12. Excretion in Amoeba takes place with the help of _______.
(a) Food vacuole
(b) Contractile vacuole
(c) Pseudopodia
(d) Cilia
13. Identify this method of reproduction.
(a) Multiple fission
(b) Fragmentation
(c) Binary fission
(d) Segmentation
14. Nephrons release urine into the ________, from where the ureters carry it to the urinary
bladder.
(a) Glomerulus
(b) Kidneys
(c) Renal pelvis
(d) None of these
15. Which of the following occurs due to allergic reaction ‘hives’?
(a) Lining of the nasal cavity becomes inflamed
(b)Walls of the bronchioles contract
(c) Blood pressure decreased
(d)Swollen, red patches appear on the skin
Question 2
A. Name the following. [5]
1. Tiny openings found on the lower side of the leaf for the exchange of gases.
2. Amphibians of plant kingdom.
3. Tissue involved in the transport of food in plants.
4. The middle portion of an insect’s body.
5. Organisms in which the body consists of thread-like structures.
Fill in the blanks. [5]
1. Annelids have special organs for excretion called ________.
2. Stomata are surrounded by a pair of bean-shaped cells called cells _________.
3. Starfish moves with the help of ________.
4. Each nephron consists of a cup-shaped structure called ________.
5. _________ are tiny structures capable of producing new plants.
Question 3
A. Match the following. [5]
B. Answer the following.
1. Observe the picture given below and label the parts. [3].
2. Observe the picture given below and identify the cell structure. In which type of cell is this structure present? What is its role?
[2]Question 4
A.
a) What are allergens? Name any two allergens. [2]
b) Which test is mostly preferred to test an allergy, skin prick test or blood test? Why? [3]
B. Identify the figure and label its parts. [5]
Question 5
A. Complete the table given below. [5]
B. Find the odd one out. [5]
1. Bat, Blue whale, Flying squirrel, Water strider
2. Typhoid, Hay fever, Hives, Asthma
3. Tannin, Urea, Uric acid, Bile
4. Cerebrum, Medulla, Spinal nerves, Cerebellum.
5. Xylem, Parenchyma, Meristem, Ligament
Question 6
A. State the differences between respiration and photosynthesis. [5]
B. Define the following terms. [5]
1. Symbiosis
2. Monocotyledons
3. Breathing
4. Egestion
5. Tissue
Question 7
A. Write two characteristics and one example for each of the following: [5]
1. Arthropoda
2. Annelida
3. Mollusca
B. Answer the following.
1. Write three points of differences between xylem and phloem. [3]
2. State the commercial importance of yeast. [2]