- 1. Breathing root is an adaptation for survival in the...
A) Mangrove swamp
B) Desert
C) Arboreal
D) Savanna
- 2. Which of the following has the most primitive respiratory system?
A) Mouse
B) Fish
C) Snail
D) Insect
- 3. The group of arthropods with no antenna is the...
A) Diplopoda
B) Crustacean
C) Arachnida
D) Chilopoda
- 4. The dominant phase in the life cycle of a fern is the...
A) Sporophyte
B) Antheridium
C) Gametophyte
D) Prothallus
- 5. In terms of the number of individuals, which of the following taxa is most inclusive?
A) Family
B) Class
C) Order
D) Species
- 6. The response of plants to external stimuli in a non directional manner is known as...
A) Phototropism
B) Tactic movement
C) Nastic movement
D) Geotropism
- 7. The rods in the retina of the eye are examples of...
A) Cells
B) Organs
C) Tissues
D) System
- 8. The blood vessel which carries digested food from the small intestine to the liver is the...
A) Hepatic artery
B) Renal artery
C) Renal vein
D) Hepatic portal vein
- 9. Magnesium is utilised in the formation of...
A) ATP
B) Amino acids
C) Glucose
D) Chlorophyll
- 10. The following are connected with the movement of a reflex action. (1) Central nervous system (2) Muscle (3) Skin (4) Sensory nerve (5) Motor nerve. Which of the following sequences indicates a correct path?
A) 1-2-3-4-5
B) 3-4-1-2-5
C) 2-1-4-5-3
D) 3-4-1-5-2
- 11. Which of the following is cold blooded?
A) Bird
B) Cat
C) Lizard
D) Whale
- 12. Which of these instruments is used to demonstrate the response of roots and shoots to gravity?
A) Manometer
B) Potometer
C) Klinostat
D) Porometer
- 13. One of the major causes of hemophilia is lack of...
A) Fibrinogen
B) Plasma
C) White blood corpuscles
D) Red blood corpuscles
- 14. In man, spermatozoa are never found in the...
A) Urethra
B) Epididymis
C) Vas deferens
D) Prostate gland
- 15. What type of fruit is formed from a single flower having several free carpels?
A) Aggregate fruit
B) Dehiscent fruit
C) Simple fruit
D) Multiple fruit
- 16. The part of mammalian brain responsible for maintaining balances is the...
A) Medulla oblongata
B) Olfactory lobe
C) Cerebrum
D) Cerebellum
- 17. In a biuret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals may be added to the mixture for a positive result?
A) Sodium carbonate
B) Ammonium hydroxide
C) Hydrogen carbonate
D) Copper sulphate
- 18. The characters by which an organism is recognised are termed its...
A) Anatomy
B) Phenotype
C) Genotype
D) Morphology
- 19. In lower plants like mosses, the structure which performs the function of roots of higher plants is called...
A) Hyphae
B) Rootlets
C) Rhizoids
D) Thalli
- 20. In a community, bacteria and fungi are referred to as...
A) Producers
B) Scavengers
C) Consumers
D) Decomposers
- 21. Which of these animals is radially symmetrical?
A) Hydra
B) Cockroach
C) Squid
D) Snail
- 22. The swollen shoot disease of a cocoa tree is caused by a...
A) Bacterium
B) Protozoan
C) Virus
D) Fungus
- 23. Secondary thickening is initiated in a dicotyledonous stem by the...
A) Secondary phloem
B) Endodermis
C) Xylem parenchyma
D) Cambium
- 24. The function of ribosomes in cell is...
A) Starch synthesis
B) Lipid storage
C) Transport of materials
D) Protein synthesis
- 25. An example of monohybrid inheritance is...
A) Cretinism
B) Albinism
C) Astigmatism
D) Hyperthyroidism
- 26. The major function of the bladder in fishes is...
A) Swimming
B) Breathing
C) Bouyancy
D) Excretion
- 27. Which of the following relationships involves only one organism?
A) Parasitism
B) Saprophytism
C) Commenalism
D) Symbiosis
- 28. Coconut and oil palm fruits can be grouped as...
A) Legume
B) Drupe
C) Capsule
D) Berry
- 29. The small masses of nervous tissue in which many neurons have their nuclei are called...
A) Ganglia
B) Synapse
C) Ventral roots
D) Axon
- 30. Coelomb is absent the class of animals termed...
A) Coelenterata
B) Mollusca
C) Reptilia
D) Arthropods
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