BASIC SCIENCE FIRST TERM EXAMINATION JSS 2
Section A: Objective Questions
- The following are invertebrates EXCEPT _______
a) Centipede
b) Earthworm
c) Millipede
d) Mouse - One of these is NOT an excretory product _______
a) Sweat
b) Urine
c) Carbon dioxide
d) Feaces - Excretory organs include the following EXCEPT _______
a) Urethra
b) Skin
c) Kidney
d) Lungs - The outer layer of the human skin is known as _______
a) Dermis
b) Epidermis
c) Sweat gland
d) Sweat pores - Which of the following characteristics does NOT exhibit the uniqueness of man?
a) Highly developed brain
b) Forward-facing eyes
c) Breastfeeding young ones with milk
d) Handling tools due to the position of the thumb - The following are water-borne diseases EXCEPT _______
a) Dysentery
b) Diarrhea
c) Pneumonia
d) Cholera - Which of these organisms is a mammal?
a) Lizard
b) Pigeon
c) Rat
d) Toad - An example of a non-hallucinogenic substance is _______
a) Caffeine
b) Cocaine
c) Marijuana
d) Paracetamol - The following are non-communicable diseases EXCEPT _______
a) Kwashiorkor
b) Scurvy
c) Cholera
d) Eczema - The vector that transmits the pathogen that causes elephantiasis is _______
a) Culex mosquito
b) Aedes mosquito
c) Rat
d) Anopheles mosquito - Personal cleanliness cannot be improved by _______
a) Regular bathing
b) Brushing of the teeth
c) Cutting of fingernails
d) Eating - Which of the following differentiates duck’s feet from the feet of other birds?
a) Made of cartilage
b) Scaly
c) Webbed
d) Waterproof - Tendon is a connective tissue which connects _______
a) Bone to another bone
b) Cartilage to another cartilage
c) Cartilage to bone
d) Muscle to bone - Which of the following must be present for rusting to occur?
a) Water only
b) Water and carbon dioxide
c) Water and hydrogen
d) Water and air - Causes of drug abuse include the following EXCEPT _______
a) Curiosity
b) Education
c) Peer group
d) Frustration - The following are types of terrestrial habitat EXCEPT _______
a) Arid land
b) Marine
c) Forest
d) Grassland - Rusting cannot be prevented by the following EXCEPT _______
a) Galvanizing
b) Greasing
c) Heating
d) Painting - The stomach is part of the _______ system.
a) Circulatory
b) Digestive
c) Nervous
d) Skeletal - The digestive juice, ptyalin, is found in the _______
a) Liver
b) Mouth
c) Pancreas
d) Small intestine - Which of the following organs excretes urine?
a) Kidney
b) Liver
c) Lung
d) Pancreas - The following are examples of movable joints, EXCEPT _______
a) Ball and socket
b) Gliding joint
c) Hinge joint
d) Suture - The removal of undigested remains of food from the alimentary canal is called _______
a) Digestion
b) Egestion
c) Elimination
d) Excretion - Which of the following diseases is NOT transmitted by a vector?
a) Malaria
b) Pneumonia
c) River blindness
d) Sleeping sickness - The structure that helps in the absorption of food in the small intestine is called _______
a) Artery
b) Capillary
c) Villi
d) Rectum - An example of a physical change is _______
a) Burning of magnesium in air
b) Explosion of hydrogen in air
c) Melting of ice
d) Rusting of iron - Interaction between organisms and their environment is known as _______
a) Pathology
b) Biology
c) Ecology
d) Sociology - Saliva contains a digestive enzyme that begins the digestion of _______
a) Fat
b) Mineral salt
c) Protein
d) Starch - An organism that is eaten by another one is called _______
a) Predator
b) Parasite
c) Prey
d) Commensal - Which of these is NOT an adaptation of a desert plant?
a) Poorly developed root system
b) Reduced leaves
c) Succulent tissues on stem
d) Adventitious root - Man belongs to a special group of animals called _______
a) Ape
b) Pisces
c) Primates
d) Herbivores - Human development can be measured by the _______ of an individual.
a) Body size
b) Weight
c) Performance
d) Height - The following are examples of water pollutants EXCEPT _______
a) CFC
b) Oil spillage
c) Sewage
d) Acids - Which of the following insects helps to pollinate flowers?
a) Bedbug
b) Butterfly
c) Housefly
d) Mosquito - The movement of food down the gullet to the stomach is called _______
a) Ingestion
b) Egestion
c) Peristalsis
d) Absorption - The skin performs all the following functions EXCEPT _______
a) Storage
b) Sensitivity
c) Temperature regulation
d) Excretion - Which of these factors does NOT affect growth and development?
a) Diseases
b) Food
c) Emigration
d) Glands - The bones at the joint are held together by _______
a) Fibre
b) Ligament
c) Muscles
d) Tendon - Hinge joints are found in the following parts of the body EXCEPT at the _______
a) Elbow
b) Knees
c) Shoulders
d) Toes - Which of the following is NOT a function of the skeleton in man?
a) Allows movement
b) Helps us to breathe
c) Protects delicate organs
d) Helps in sneezing - Which of the following will be absorbed in the large intestine?
a) Water
b) Amino acid
c) Starch
d) Glucose - The acid present in protein is _______
a) Amino
b) Lactic
c) Carbolic
d) Citric - ____ is a source of chemical energy.
a) Dynamo
b) Petroleum
c) Sun
d) Water - The removal of waste products from the body of an organism is called _______
a) Assimilation
b) Defecation
c) Excretion
d) Respiration - The part of the alimentary canal where food is chewed is the _______
a) Anus
b) Large intestine
c) Mouth
d) Stomach - Gastric juice is found in the _______
a) Small intestine
b) Stomach
c) Anus
d) Rectum - Iodine was added to a food substance; it changed to blue-black. This shows that the food substance contains _______
a) Amino acid
b) Fats
c) Starch
d) Protein - The chemical used in testing for protein is _______
a) Iodine
b) Millon’s reagent
c) Sudan (III) solution
d) Millon reagent - The following are types of aquatic habitats EXCEPT _______
a) Forest
b) Freshwater
c) Ocean
d) River - Abstaining from a habit for a while is called _______
a) Periodic abstinence
b) Delayed abstinence
c) Lifelong abstinence
d) Monitoring - Lifelong, delayed, and periodic are types of _______
a) Adolescence
b) Abstinence
c) Longevity
d) Sexuality
Section B: Theory Questions
- In a tabular form, classify the following organisms exoskeleton, endoskeleton, and hydrostatic skeleton:
- Jellyfish
- Grasshopper
- Toad
- Earthworm
- Ant
- Fish
- Mention two functions of the skeletal system.
- Define joints.
- Mention one example of an immovable joint.
- Mention any four modes of transmitting diseases.
- Mention any four disease vectors and the diseases they transmit.
- Define excretion.
- Mention three excretory organs of the human body.
- Mention any five parts of the human digestive system.
- Explain enzymes.
- What is a vertebrate?
- State three characteristics of mammals.
- In a tabular form, state four differences between man and other primates.
- State two unique traits of man among other primates.
- What is a habitat?
- Explain the process of photosynthesis and its importance.
- What are the differences between aerobic and anaerobic respiration?
- Discuss the role of decomposers in an ecosystem.
- Define biodiversity and explain its significance.
- What are the effects of pollution on aquatic life?
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
- Habitat is a place where ——– a. plants live b. Animals live c. Man and Animals live
- Plants and Animals live
- Which of the following is not an aquatic animals? a. Fish b. Water lilies c. Crocodile
- Birds
- 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.
- Features that help organism to survive in a particular habitat is called ——–a. Homes
- Adaptation c. Favourites d. Permanent home.
- The following primary source of energy for organism ——-a. Moon b. Star. c.Carbohydrate d .Sun
- 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
- The organism that feeds directly on plants are called ——- (a) Primary consumer b. Secondary Consumer c. Tertiary Consumer d. University consumer.
- Examples of Mammals are the following except—a. Fish b. Man c. Giraffe d.Elephants
- Human basic intelligence skills include the following except a. Measurement (b) Interference c. Inference d. Reasoning and problem solving.
- ——- refers to when the organs in the body are fully developed. A. develpoment b.Growth c. Maturity d. measurement.
- A stage in life in which individuals grow into adults is termed a .Adult stage b.Developmental stage c. Ovulation stage d. Puberty Stage.
- All these factors influences growth and development except a. Environment b.Genetics c. Nutrition d. Enzymes d. Hormones
- Changes that occur in an organism which leads to maturity is called (a) Maturity b. Development c. Growth d. Growth and Development.
- ———— is an irreversible increase in size .a. Development b. Maturity c.Growth D. Enlargement.
- Developmental stages include the following except a. Childhood b. Puberty (a) Adolescence d. Manhood e. Adulthood.
- ——— is the transferring of genes from parents to offsprings. a. genetic b.genetics c. Heredity d. Puberty.
- Factors that hinder growth include the following EXCEPT a. Disease b.Malnutrition c. Poor environment d. Balanced diet
- Infancy and Adolescent stage are a. temporary stages b. permanent stages c.temporary and permanent stages d. Irreversible stages
- Musa is a very tall boy, his tallness is determined by a. pituitary b. Adrenal c.Thyroid d. Parathyroid
- Traits usually inherited from parents or grandparents include the following Except A .Eye colour b. Shape of body c. Skin colour d. Tribal marks.
- The general shape or figure of a person is influenced mainly by a. Father b. Mother (c) Molding of skeleton. (d) body image
- These characteristics can run in the family tree EXCEPT a. Baldness b. Fatness c.Brown eyes d. Kwashiorkwor.
- Bleaching of skin can have the following side effect except a. Skin cancer b . skin diseases c. skin odour d. skin linning.
- Puberty involves changes in a. Tertiary sexual characteristics b. secondary sexual characteristics c. primary sexual characteristics d. Normal sexual characteristics.
- 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
- 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
- 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.
- 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
- 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.
- Teenager’s body images are strongly affected by what they see on the following EXCEPT a. Television b. Movies c. Magazines d. Religion Centre.
- Estuaries is an example of: (a) Salt water habits (b) Marine habitat (c) Terrestrial habitat (d) Aquatic habitat
- ——– are the living factors in the environment a.Biotic (b) Abiotic (c) Aquatic (d) Ecosystem
- ——— is a group of organism of the same species living in the same Habitat(a) Amphibians (b) population (c) Adventure (d) population density
- An irreversible increase in size of the body is called (a)Adaptation (b) Development (c) Ecology (d) Growth.
- A stage in life in which an individual grows into adulthood is called (a) Development (b) Mutation (c) Ovulation (d) Puberty
- 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
- 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.
- Human beings belong to a special group of mammals called———(a) Chimpanzee (b) Animals (c) primates (d) Aves
- The following factors affect growth and development except;___(a) Food (b) Weather (c) Love and care (d) Rest and exercise
- 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
- The S. 1 unit of power is
A. Newton. B. Joule C. Kilogram. D. Watt. - Which of the following animals possesses exoskeleton? A. Cricket B. toad. C. rat. D. goat.
- 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
- The quantity of matter contained in a body is
A. weight. B. volume. C. length. D. mass - Which of the following blood group is not found in human. A. O. B OA C. A. D. AB
- The blood vessels through which blood flows away from the heart is called. A. capillaries. Biveins.
C. arteries. D. plasma. - The lung is an excretory organ that excretes A. sweat. B. urea. C. çarbon dioxide. D. salt.
- A natural example of a mixture is. A. water. B. kerosene. C. petrol. D. air.
- The instrument used to measuring temperature is. A. thermometer. B. photometer. C. hydrometer
D. hydrometer. - 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. - A connective tissue between two joints is called. A. cartilage. B. tendon. C. ligament. D. hinge joint
- When a solute dissolved in a solvent, the product is. A. compound. B. solution. C. Water, D. mixtum
- The body temperature of a normal human body is____ A. 37°C B. 27°C. C. 17°C D. 38°C
- The degree of hotness or coldness of a body is called.
(a)temperature (b) humidity (c) ammeter D. pressure. - The major characteristic of vertebrates is the presence of___(a) blood (b) pressure (c) noise
(d) backbone. - The blood component that defends our body against bacteria attack is___(a) platelet (b) hormones C. white blood cell. D. plasma.
- Respiration is an essential life process providing the living cells A oxygen B. energy (c) carbon dioxide. D. water
- 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. - Which of the following blood vessels returns blood from the lungs to the heart? A. pulmonar-
B. pulmonary artery C. aorta D. auricle - Digested food is absorbed into the blood stream through special structures called____(a) esophagus (b) ileums C. intestine D. stomach
- 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 - Which of the blood cells has the largest percentage proportion in the blood? A. White blood
B. red blood cells. C. Plasma D. platelets. - Which of the following food items is a major source of protein? A. cassava B. margarine, C.egg D. Yam.
- 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, - The density of an object is given as A. Volume/mass, B. mass/volume. C. force/volume D. pressure/volume.
- All these are constituents of blood except A. red blood cell. B. phagocytes, C, oxygen. D. platelet
- Invertebrates are animals A. without skeleton. B. with scales. C. with soft bodies. D. -backbone.
- An example of a mixture is A. oxygen. B. fruit salad. C. water. D. salt
SECTION B
ATTEMPT ANY TEN QUESTION IN THIS SECTION.
- State the subdivisions of the following Habitat. i. Terrestrial b. Aquatic
- list and explain 3 biotic factors affecting organisms and its environment.
- State 3 adaptation of aquatic plant and 3 adaptation of aquatic animals.
- Explain the following with examples and diagrams
- Food chain
- Food Web
- Explain two ways in which man differs from animals as an intelligent animal.
- State and describe the three Trophic levels in a food chain.
- Give 2 examples each of temporary and permanent changes.
- State and explain 5 factors that affects growth and development.
- State 4 differences in people physical appearance.
- Define the following
- Heredity
- Body image
- Puberty
- Define skeleton.
- State four functions of skeleton in the human body.
- A body of mass 10Kg moves with a velocity of 6m/s. Calculate the kinetic energy of the body.
- what is body image?
- State ten forms of energy
- State five functions of blood.
- State the constituents of blood.
- Define kinetic energy.
- State the constituents of air.
- State four organs of respiration.
- Calculate the work done when a body of mass 30kg dragged over a distance 8.4metres [g=10
- What is respiration?
- State four blood disease
In a tabular form state 5 differences between compound and mixture. - A fruit from a tree of mass 30kg is 15metres above the ground. Calculate the potential energy o
above the ground. [g=10m/s²] - In a tabular form state 4 differences between kinetic energy and potential energy.
- List six parts of the alimentary canal.
- What is digestion?
- Calculate the power when a body of mass 50kg moves with an acceleration of 18m/s² over a
40metres in 36 seconds. - what is measurement?
b. Calculate the density of a body of mass 50kg and volume 40m².
c. Where is the red blood cell produces?