- 1. 1.
The branch of Biology that deals with the principles of classification of organisms is known as _________
A) Taxonomy
B) Biology index
C) Nomenclature
D) Ecology
- 2. 2.
Which of the following organisms has both plant and animal-like features?
A) Spirogyra
B) Paramecium
C) Amoeba
D) Euglena
- 3. 3.
The process by which a drop of ink spreads uniformly in a beaker of water is called _______
A) Diffusion
B) Osmosis
C) Plasmolysis
D) Absorption
- 4. 4.
Which of the following groups embraces the rest?
A) Phylum
B) Kingdom
C) Class
D) Species
- 5. 5.
A virus can sometimes be regarded as a living organism because it _______
A) Exists in a variety of shapes
B) Is easily visible with the aid of an electron microscope
C) Reproduces in living cells
D) Causes disease in plants and animals
- 6. 6.
Which of the following parts of the skeleton does not have a protective function?
A) Ribs
B) Skull
C) Pelvis
D) Carpals
- 7. 7.
The longest bone in the body is the _______
A) Tibia
B) Humerus
C) Femur
D) Scapula
- 8. 8.
Which of the following structures is not a skeletal material?
A) Cartilage
B) Muscle
C) Chitin
D) Bone
- 9. 9.
The axial skeleton is composed of the ______
A) Limbs and girdles
B) Skull and vertebral column
C) Radius and ulna
D) Atlas and axis
- 10. 10.
The ear pinna is strengthened by _______
A) Bone
B) Blood pressure
C) Cartilage
D) Tugur pressure
- 11. 11.
Muscles are attached to bones by means of
A) Tendons
B) Ligaments
C) Cartilage
D) Nerves
- 12. 12.
A monocot root is different from a dicot root by having ______
A) Root hair
B) Cambium
C) Wide pith
D) Endodermis
- 13. 13.
The bones of the legs of a six years old boy are observed to be week and crooked. Which of the following elements were deficient in his mother’s diet at pregnancy?
A) Iron and manganese
B) Magnesium and Sulphur
C) Calcium and phosphorus
D) Sodium and iron
- 14. 14.
A student dissecting an animal specimen discovered that it had two auricles and one ventricle. The animal is likely to be a/an _______
A) Amphibian
B) Fish
C) Reptile
D) Bird
- 15. 15.
Which of the following enzymes is active in the duodenum?
A) Pepsin
B) Renin
C) Trypsin
D) Ptaylin
- 16. 16.
Which of the following food substances is incorrectly linked to the enzymes?
A) Sucrose – pepsin
B) Starch – amylase
C) Protein – trypsin
D) Fat – lipase
- 17. 17.
A herbivore cannot feed on a piece of meat because it has no ______
A) Premolars to grind meat
B) Molars to mash the meat
C) Canines to tear up the meat
D) Incisors to cut the meat
- 18. 18.
Which of the following is a biotic component of an ecosystem?
A) Soil
B) Rainfall
C) Light
D) Fungi
- 19. 19.
Which of the following instruments is used to estimate the number of plants in a habitat?
A) Pouter
B) Sweep net
C) Quadrat
D) Pitfall trap
- 20. 20.
A producer in an aquatic food chain is the ______
A) Phytoplankton
B) Amphibians
C) Zooplankton
D) Fishes
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