- 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) Diplopoda
B) Crustacean
C) Chilopoda
D) Arachnida
- 4. The dominant phase in the life cycle of a fern is the...
A) Prothallus
B) Antheridium
C) Gametophyte
D) Sporophyte
- 5. In terms of the number of individuals, which of the following taxa is most inclusive?
A) Order
B) Class
C) Family
D) Species
- 6. The response of plants to external stimuli in a non directional manner is known as...
A) Geotropism
B) Phototropism
C) Nastic movement
D) Tactic movement
- 7. The rods in the retina of the eye are examples of...
A) Organs
B) Tissues
C) System
D) Cells
- 8. The blood vessel which carries digested food from the small intestine to the liver is the...
A) Renal artery
B) Hepatic portal vein
C) Hepatic artery
D) Renal vein
- 9. Magnesium is utilised in the formation of...
A) Chlorophyll
B) ATP
C) Amino acids
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) 2-1-4-5-3
D) 3-4-1-2-5
- 11. Which of the following is cold blooded?
A) Bird
B) Lizard
C) Whale
D) Cat
- 12. Which of these instruments is used to demonstrate the response of roots and shoots to gravity?
A) Potometer
B) Porometer
C) Klinostat
D) Manometer
- 13. One of the major causes of hemophilia is lack of...
A) Red blood corpuscles
B) White blood corpuscles
C) Plasma
D) Fibrinogen
- 14. In man, spermatozoa are never found in the...
A) Vas deferens
B) Epididymis
C) Prostate gland
D) Urethra
- 15. What type of fruit is formed from a single flower having several free carpels?
A) Multiple fruit
B) Dehiscent fruit
C) Aggregate fruit
D) Simple fruit
- 16. The part of mammalian brain responsible for maintaining balances is the...
A) Cerebellum
B) Olfactory lobe
C) Cerebrum
D) Medulla oblongata
- 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) Copper sulphate
B) Ammonium hydroxide
C) Hydrogen carbonate
D) Sodium carbonate
- 18. The characters by which an organism is recognised are termed its...
A) Genotype
B) Phenotype
C) Morphology
D) Anatomy
- 19. In lower plants like mosses, the structure which performs the function of roots of higher plants is called...
A) Rootlets
B) Hyphae
C) Thalli
D) Rhizoids
- 20. In a community, bacteria and fungi are referred to as...
A) Decomposers
B) Scavengers
C) Producers
D) Consumers
- 21. Which of these animals is radially symmetrical?
A) Squid
B) Hydra
C) Cockroach
D) Snail
- 22. The swollen shoot disease of a cocoa tree is caused by a...
A) Bacterium
B) Virus
C) Fungus
D) Protozoan
- 23. Secondary thickening is initiated in a dicotyledonous stem by the...
A) Endodermis
B) Secondary phloem
C) Xylem parenchyma
D) Cambium
- 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) Hyperthyroidism
B) Albinism
C) Astigmatism
D) Cretinism
- 26. The major function of the bladder in fishes is...
A) Bouyancy
B) Breathing
C) Excretion
D) Swimming
- 27. Which of the following relationships involves only one organism?
A) Symbiosis
B) Parasitism
C) Saprophytism
D) Commenalism
- 28. Coconut and oil palm fruits can be grouped as...
A) Drupe
B) Legume
C) Berry
D) Capsule
- 29. The small masses of nervous tissue in which many neurons have their nuclei are called...
A) Axon
B) Ganglia
C) Ventral roots
D) Synapse
- 30. Coelomb is absent the class of animals termed...
A) Arthropods
B) Mollusca
C) Reptilia
D) Coelenterata
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