- 1. Breathing root is an adaptation for survival in the...
A) Arboreal
B) Desert
C) Savanna
D) Mangrove swamp
- 2. Which of the following has the most primitive respiratory system?
A) Fish
B) Snail
C) Insect
D) Mouse
- 3. The group of arthropods with no antenna is the...
A) Arachnida
B) Chilopoda
C) Diplopoda
D) Crustacean
- 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) Order
B) Class
C) Family
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) Tissues
B) Cells
C) Organs
D) System
- 8. The blood vessel which carries digested food from the small intestine to the liver is the...
A) Renal artery
B) Hepatic 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) 2-1-4-5-3
B) 1-2-3-4-5
C) 3-4-1-5-2
D) 3-4-1-2-5
- 11. Which of the following is cold blooded?
A) Bird
B) Whale
C) Lizard
D) Cat
- 12. Which of these instruments is used to demonstrate the response of roots and shoots to gravity?
A) Potometer
B) Porometer
C) Manometer
D) Klinostat
- 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) 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) Dehiscent fruit
B) Aggregate fruit
C) Multiple fruit
D) Simple fruit
- 16. The part of mammalian brain responsible for maintaining balances is the...
A) Olfactory lobe
B) Medulla oblongata
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) Copper sulphate
B) Sodium carbonate
C) Hydrogen carbonate
D) Ammonium hydroxide
- 18. The characters by which an organism is recognised are termed its...
A) Morphology
B) Genotype
C) Phenotype
D) Anatomy
- 19. In lower plants like mosses, the structure which performs the function of roots of higher plants is called...
A) Hyphae
B) Rhizoids
C) Rootlets
D) Thalli
- 20. In a community, bacteria and fungi are referred to as...
A) Producers
B) Decomposers
C) Scavengers
D) Consumers
- 21. Which of these animals is radially symmetrical?
A) Squid
B) Hydra
C) Snail
D) Cockroach
- 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) Secondary phloem
B) Endodermis
C) Xylem parenchyma
D) Cambium
- 24. The function of ribosomes in cell is...
A) Protein synthesis
B) Transport of materials
C) Lipid storage
D) Starch synthesis
- 25. An example of monohybrid inheritance is...
A) Albinism
B) Astigmatism
C) Hyperthyroidism
D) Cretinism
- 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) Symbiosis
B) Saprophytism
C) Commenalism
D) Parasitism
- 28. Coconut and oil palm fruits can be grouped as...
A) Drupe
B) Legume
C) Capsule
D) Berry
- 29. The small masses of nervous tissue in which many neurons have their nuclei are called...
A) Axon
B) Ventral roots
C) Synapse
D) Ganglia
- 30. Coelomb is absent the class of animals termed...
A) Reptilia
B) Arthropods
C) Mollusca
D) Coelenterata
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