BIOLOGY FIRST TERM EXAMINATION SS 1

FIRST

SUBJECT: BIOLOGY                     TIME: 2HRS   CLASS: SS  1

1. Amphibians have the following features except A. cold blooded  B. external fertilization  C. four- chambered heart  D. moist skin.
2. Which of the following group correctly illustrates their order of evolutionary trend? A. algae, mosses, ferns, flowering plants B. ferns, algae, mosses, flowering plants C. flowering plants, ferns, algae, mosses  D. mosses, ferns, flowering plants, algae.
3. The following are features possessed by roundworm except .A. bilateral symmetry B. cylindrical body C. pointed ends D. segmented body
4. Which of these plants exhibits alternation of generation? A. mosses B. mushroom C. rhizopus D. yeast
5. Which of the following organisms has only one opening for ingestion of food and egestion of wastes? A.earthworm B. flat worm  C. hydra  D.roundworm.
6. The waste product of photosynthesis is A.ammonia B.carbonhydrate  C .glucose.  D oxygen.

7.Fats and oil are known as   A. amino acid  B.fatty acid   C.glycerol  D. lipids

8.During photosynthesis  energy from the sun is converted to……….. energy  A. chemical  B.electrical  C.heat  D.kinetic.

9.The resolution of a microscope refers to its power to A.increase in an object” appearent size  B. distinguish clearly between two objects  C.  scan the surface  of an objects   D.focus on an object

10. Which of the following substances is not a complex carbohydrate? A. Glycogen B.cellulose  C.starch   D.glucose.

11.The site of carbohydrate synthesis in the a plant leaf is known as   A. chloroplast  B. chlorophyll  C. leucoplast  D. Mitochondria

12.The first group of organisms to evolve are   A. annelids  B.coelenterata   C. protozoas  D. nematodes

13.The process by which plants manufacture food from carbon(iv) oxide and water using energy from the sun is called A. chemosynthesis  B .photosynthesis C.anabolism  D.catabolism

14.The following organisms are pests of plants except    A. birds  B.nematodes  C. bacteria  D. rodents

15.The mode of nutrition in tapeworm is   A. commmesalism  B.parasitic  C.predatory  D. saprophytic

16. Plants that complete their life cycle in one growing season are referred to as A.biennial B. multi-annuals  C. annual  D.perennials.

17.which of the following is not an organ? A.leaf  B. kidney  C. heart  D. bone

18.Which of the following organisms is at the tissue level of organization? A.amoeba   B.hydra  C.tapeworm  D.earthworm.

19.Some of the features of an animal are scales, teeth,nose and backbone. The  animal is likely to be a  A. toad  B. lizard  C.bird  D.rat

20.Amphibians are normally found  A.in water  B.on moist land  C.in water and on moist land  D. on dry land and in water

21.A distinguishing feature of mammals is the possession of   A. scale  B.skin    C.hair  D. nail

22.One common feature of fungi, algae, mosses and ferns is that they

1. are photosynthetic B.show alternation of generation C.reproduce by means of conjugation D.have no seeds

23.Which of these animals are triploblastic?  A. hydra  B.sponges  C. tapeworm  D. corals

24.Which of these would you recommend as body building food for a growing child?  A. banana B.beans  C. carrot  D. cassava

25. The brain is a/an_____ A.cell B.tissue  C .system D .organ

26.In bryophyte, the adult plant is the ……………..   A sporophyte.B gametophyte  C. sori  D. antheridium.

27.Viviparity occurs mainly in the …….A. aves  B.amphibians   C.mammals  D. reptiles.

28.The process represented by the  equation below is………………

6CO₂     +  6H₂O            sunlight                               C₆H₁₂O₆  + 6O₂

chlorophyll

1. respiration B. photosynthesis C. transpiration   D. translocation.
2. Which of the following is not a vegetable? A.tomato  B. okro  C. guava   D.  spinach.

30.All the following are methods of pest control except  A. physical control method  B.biological control method  C.social control method  D.chemical control method.

31.Land snai1 belongs to the phylum A.annelida  B. arthropoda  C.mollusca  D.echinodermata.

32.The mode of nutrition in mushroom is   A.autotrophic  B.epiphytic  C.parasitic  D.saprophytic

33.Plant are classified into the following classes except  A. bryophyta  B.coelenterata  C.pteridophyta.D.thallophyta

34.The following conditions are necessary for photosynthesis except  A. carbon (iv) oxide  B.chlorophyll  C.light energy D.oxygen

35.In  a moss , spores are produced in the  A. capsule  B. leaf   C. rhizoid  D.seta

36.The deficiency of protein in  a developing child results in   A.beri beri  B.kwashiorkor  C.night blindness  D.scurvy

37Which of these has  the most complex level of organization?  A.euglena  B.hydra  C.heart   D. virus

38.Removal of harmful nitrogeneous wastes from the body is A.defeacation  B.egestion C.excretion D.perspiration

39.The following are features possessed by roundworms except  A.bilaterally symmetrical  B.cylindrical body  C.segmented body  D.pointed ends

40.The study of heredity and variation is called  A.anatomy   B.cytology  C.genetics   D.physiology

41.The least of the classification which has the commonest features and can interbreed is called  A.kingdom  B.family   C.species  D.phylum

42.All living organisms can   A. photosynthesize  B.respire  C.move   D.transpire

.43.Which of the following plants can be referred to as a seed plants?   A.pteridophytes  B.gymnosperms  C.bryophytes  D.tracheophytes

44. One of the differences between plants and animals is A.growth is indefinite in animals but definite in plants B.nutrition is autotrophic in plants but is heterotrophic in animals  C.in plants ,there is excretory system but in animals, wastes products are stored away  D.respiration takes place in animals but does not take place in plant

45.One of the following statements is not true of virus  A.they are microscopic organisms  B.they are smaller than bacteria  C.they contain both DNA and RNA together  D.they can cause diseases of both plants and animals.

46.Lungs are used for respiration in   A.spiders  B.insects  C.snails  D.millipedes

47.Scorpion, ticks and mites belong to the group  A.chilopods  B.insects  C.crustacean.D.arachnida

48.A collection of cells from the same origin performing a specific function is called  A.organ  B.system  C.tissue  D.organism

49.Which of the following  is an autotrophic mode of nutrition?  A.chemosynthesis B. saprophytism  C.parasitism D.symbiosis

50.The oxygen given off during photosynthesis is derived from A.sunlight  B.water  C.chlorophyll  D.carbon(iv) oxide.

THEORY   ;  ANSWER ONLY THREE QUESTIONS FROM THIS SECTION

1a.Make a labeled drawing of the lateral view of a fish between 10-12 cm long(4mk).

b.State four structural differences between the class Pisces  class Mammalia(4mk).

c.List all the four classes of phylum Arthropoda with one example in each case(2mk)

2a.In tabular form state four differences between monocotyledonous and dicotyledonous plant(4mk)

b.State two unique  characteristics of class Reptilia  (2mk).

c.State two differences between fungi and pteridophyte (2mk)

d.List two animals that belong to phylum  Echinodermata (2mk)

3a.State one difference each between hydra and the mammals with respect to

i—level of organization        ii—-symmetry   iii –number of body layer(6mk)

b.Arrange the following according to their  level  of organization.

In tabular forms, group the following objects according to their level of organization. Blood cell, blood, onion bulb, leaf, stem, ear, tongue, amoeba, paramecium, Nervous system, respiratory system, hydra and mango fruit, skin (4mk)

4a.Define photosynthesis(1mk)

b.State one role each of the following   i—chlorophyll       ii—light   (2mk)

c.state two external factors that photosynthesis need to take place (2mk)

d.Describe one experiment to prove that photosynthesis is real(5mk)

5.State the two principal features of the following groups of an organisms

1. Coelenterata    ii, Amphibia     iii. Fishes      iv. Reptiles     v. Bird     vi.    Mammals(10mk)