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