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