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