BASIC SCIENCE FIRST TERM EXAMINATION JSS 2

FIRST TERM EXAMINATION JSS 2

EDU DELIGHT TUTORS 

Examination malpractices may lead to a repeat of the subject or suspensions don’t be involved.

SUBJECT: BASIC SCIENCE           TIME: 1HR 30MIN            CLASS: JSS 2

1. Habitat is a place where ——– a. plants live b. Animals live c. Man and Animals live
2. Plants and Animals live
3. Which of the following is not an aquatic animals? a. Fish b. Water lilies c. Crocodile
4. Birds
5. The two factors that affect living organisms are a. Abiotic and amniotic factors b.Abiotic and Non-abiotic factors c. Abiotic and Biotic factors d. Biotic and biological factors.

4. Features that help organism to survive in a particular habitat is called ——–a. Homes
5. Adaptation c. Favourites d. Permanent home.
6. The following primary source of energy for organism ——-a. Moon b. Star. c.Carbohydrate  d .Sun

6. The path through which food energy is transferred from one organism to another is called ——-a. Food Transfer b .Food path c. Food Chain d. Food Web

7. The organism that feeds directly on plants are called ——- (a) Primary consumer b. Secondary Consumer c. Tertiary Consumer d. University consumer.

8. Examples of Mammals are the following except—a. Fish b. Man c. Giraffe d.Elephants

9. Human basic intelligence skills include the following except a. Measurement (b) Interference c. Inference d. Reasoning and problem solving.
10. ——- refers to when the organs in the body are fully developed. A. develpoment b.Growth c. Maturity d. measurement.
11. A stage in life in which individuals grow into adults is termed a .Adult stage b.Developmental stage c. Ovulation stage d. Puberty Stage.
12. All these factors influences growth and development except a. Environment b.Genetics c. Nutrition d. Enzymes d. Hormones

13. Changes that occur in an organism which leads to maturity is called   (a) Maturity b. Development c. Growth d. Growth and Development.
14. ———— is an irreversible increase in size .a. Development b. Maturity c.Growth D. Enlargement.

15. Developmental stages include the following except a. Childhood b. Puberty (a) Adolescence d. Manhood e. Adulthood.
16. ——— is the transferring of genes from parents to offsprings. a. genetic b.genetics c. Heredity d. Puberty.

17. Factors that hinder growth include the following EXCEPT a. Disease b.Malnutrition c. Poor environment d. Balanced diet

18. Infancy and Adolescent stage are a. temporary stages b. permanent stages c.temporary and permanent stages d. Irreversible stages

19. Musa is a very tall boy, his tallness is determined by a. pituitary b. Adrenal c.Thyroid d. Parathyroid

20. Traits usually inherited from parents or grandparents include the following Except A .Eye colour b. Shape of body c. Skin colour d. Tribal marks.

21. The general shape or figure of a person is influenced mainly by a. Father b. Mother (c) Molding of skeleton. (d) body image
22. These characteristics can run in the family tree EXCEPT a. Baldness b. Fatness c.Brown eyes d. Kwashiorkwor.

23. Bleaching of skin can have the following side effect except a. Skin cancer b . skin diseases c. skin odour d. skin linning.

24. Puberty involves changes in a. Tertiary sexual characteristics b. secondary sexual characteristics c. primary sexual characteristics d. Normal sexual characteristics.

25. Which of the following is not part of body changes during puberty? A. voice change (b) body shape change c. development of breast d. growth in cheek
26. Body image is influenced by a. self detection and confidence b. self control and self confidence c .self determination and self will d. self esteem and self evaluation

27. Which of the following is not social and behavioural development experienced using pubertal changes? A. self consciousness b. Inquisitiveness c. Isolation and fear of rejection d. attraction to the same sex.

28. Body image problem is a. more in girls than boys b. more in boys than girls c.equal in boys and girls d. Not real

29. Body image problems involve the following except a. need to look perfect b. desire to have perfect body c. it affects both boys and girls d. please with self.

30. Teenager’s body images are strongly affected by what they see on the following EXCEPT a. Television b. Movies c. Magazines d. Religion Centre.

31. Estuaries is an example of: (a) Salt water habits (b) Marine habitat (c) Terrestrial habitat (d) Aquatic habitat
32. ——– are the living factors in the environment   a.Biotic (b) Abiotic (c) Aquatic (d) Ecosystem
33. ——— is a group of organism of the same species living in the same Habitat(a) Amphibians (b) population (c) Adventure (d) population density

34. An irreversible increase in size of the body is called  (a)Adaptation (b) Development (c) Ecology (d) Growth.
35. A stage in life in which an individual grows into adulthood is called (a) Development (b) Mutation (c) Ovulation (d) Puberty
36. The three aspects of growth and development in life are: ___(a) Internal, external and physical aspect    (b)Emotional, physical and biological (c)Physical, internal and emotional      (d)Physical, emotional and social aspect

37. All these are true about puberty except;___(a) It is the stage when a surge in sex hormones triggers the development of secondary sexual characteristics. (b) It involves changes in primary sexual characteristics   (c) It is the stage of full maturity. (d) It is the transitional biological stage between childhood and adulthood.

38. Human beings belong to a special group of mammals called———(a) Chimpanzee (b) Animals (c) primates (d) Aves

39. The following factors affect growth and development except;___(a) Food (b) Weather (c) Love and care (d) Rest and exercise

40. Calculate the population density of ants with population size of 40 and area 400cm2:population density = population size   Area(a) 0.1 per cm3 (b) 0.4 per cm3 (c) 10 per cm3 (d) 40 per A
41. The S. 1 unit of power is
    A. Newton. B. Joule C. Kilogram. D. Watt.
42. Which of the following animals possesses exoskeleton? A. Cricket B. toad. C. rat. D. goat.
43. In the body of animals, muscles are attached to bones by means of whitish structure called. A. ligament. B. tendon. C. cardiac muscle. D. Scapular
44.  The quantity of matter contained in a body is
    A. weight. B. volume. C. length. D. mass
45.  Which of the following blood group is not found in human. A. O. B OA C. A. D. AB
46. The blood vessels through which blood flows away from the heart is called. A. capillaries. Biveins.
    C. arteries. D. plasma.
47. The lung is an excretory organ that excretes A. sweat. B. urea. C. çarbon dioxide. D. salt.
48. A natural example of a mixture is. A. water. B. kerosene. C. petrol. D. air.
49. The instrument used to measuring temperature is. A. thermometer. B. photometer. C. hydrometer
    D. hydrometer.
50.  The process by which living things used part of air to burn up digested food to obtain energy is____
    A. movement. B. growth. C. feeding. D. respiration.
51.  A connective tissue between two joints is called. A. cartilage. B. tendon. C. ligament. D. hinge joint
52.  When a solute dissolved in a solvent, the product is. A. compound. B. solution. C. Water, D. mixtum
53.  The body temperature of a normal human body is____ A. 37°C B. 27°C. C. 17°C D. 38°C
54.  The degree of hotness or coldness of a body is called.
    (a)temperature (b) humidity (c) ammeter D. pressure.
55. The major characteristic of vertebrates is the presence of___(a) blood (b) pressure (c) noise
    (d) backbone.
56. The blood component that defends our body against bacteria attack is___(a) platelet (b) hormones C. white blood cell. D. plasma.
57. Respiration is an essential life process providing the living cells A oxygen B. energy (c) carbon dioxide. D. water
58. The component of blood responsible for blood clotting to prevent blood loss in case of accid
    A. red blood cell B. platelets. C. hemoglobin D. plasma.
59. Which of the following blood vessels returns blood from the lungs to the heart? A. pulmonar-
    B. pulmonary artery C. aorta D. auricle
60. Digested food is absorbed into the blood stream through special structures called____(a) esophagus (b) ileums C. intestine D. stomach
61. The work done by a particular body can be calculated using the formula.
    mv² C. W = work time D. W = fxd
    A. joule B. joule/second C. Newton D. Kg
62. Which of the blood cells has the largest percentage proportion in the blood? A. White blood
    B. red blood cells. C. Plasma D. platelets.
63. Which of the following food items is a major source of protein? A. cassava B. margarine, C.egg D. Yam.
64. Where does digestion take place? A. stomach and small intestine. B. stomach and large in
    C. small intesting and large intestine. D. anus and large intestine,
65. The density of an object is given as A. Volume/mass, B. mass/volume. C. force/volume D. pressure/volume.
66. All these are constituents of blood except A. red blood cell. B. phagocytes, C, oxygen. D. platelet
67.  Invertebrates are animals A. without skeleton. B. with scales. C. with soft bodies. D. -backbone.
68. An example of a mixture is A. oxygen. B. fruit salad. C. water. D. salt

SECTION B 

ATTEMPT ANY TEN QUESTION  IN THIS SECTION.

1. State the subdivisions of the following Habitat. i. Terrestrial b. Aquatic
2. list and explain 3 biotic factors affecting organisms and its environment.
3. State 3 adaptation of aquatic plant and  3 adaptation of  aquatic animals.
4. Explain the following with examples and diagrams 
   • Food chain
   • Food Web
5. Explain two ways in which man differs from animals as an intelligent animal.
6. State and describe the three Trophic levels in a food chain.
7. Give 2 examples each of temporary and permanent changes.
8. State and explain 5 factors that affects growth and development.
9. State 4 differences in people physical appearance.
10. Define the following 
    • Heredity 
    • Body image 
    • Puberty 
11. Define skeleton.
12. State four functions of skeleton in the human body.
13. A body of mass 10Kg moves with a velocity of 6m/s. Calculate the kinetic energy of the body.
14. what is body image?
15. State ten forms of energy
16. State five functions of blood.
17. State the constituents of blood.
18. Define kinetic energy.
19. State the constituents of air.
20. State four organs of respiration.
21. Calculate the work done when a body of mass 30kg dragged over a distance 8.4metres [g=10
22. What is respiration?
23. State four blood disease
    In a tabular form state 5 differences between compound and mixture.
24. A fruit from a tree of mass 30kg is 15metres above the ground. Calculate the potential energy o
    above the ground. [g=10m/s²]
25. In a tabular form state 4 differences between kinetic energy and potential energy.
26. List six parts of the alimentary canal.
27. What is digestion?
28. Calculate the power when a body of mass 50kg moves with an acceleration of 18m/s² over a
    40metres in 36 seconds.
29. what is measurement?
    b. Calculate the density of a body of mass 50kg and volume 40m².
    c. Where is the red blood cell produces?