- 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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