- 1. Breathing root is an adaptation for survival in the...
A) Mangrove swamp
B) Desert
C) Arboreal
D) Savanna
- 2. Which of the following has the most primitive respiratory system?
A) Insect
B) Snail
C) Mouse
D) Fish
- 3. The group of arthropods with no antenna is the...
A) Diplopoda
B) Crustacean
C) Arachnida
D) Chilopoda
- 4. The dominant phase in the life cycle of a fern is the...
A) Prothallus
B) Antheridium
C) Sporophyte
D) Gametophyte
- 5. In terms of the number of individuals, which of the following taxa is most inclusive?
A) Family
B) Order
C) Species
D) Class
- 6. The response of plants to external stimuli in a non directional manner is known as...
A) Geotropism
B) Nastic movement
C) Tactic movement
D) Phototropism
- 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) Hepatic artery
B) Renal vein
C) Hepatic portal vein
D) Renal artery
- 9. Magnesium is utilised in the formation of...
A) Glucose
B) Amino acids
C) Chlorophyll
D) ATP
- 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) 3-4-1-5-2
C) 1-2-3-4-5
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) Klinostat
B) Potometer
C) Porometer
D) Manometer
- 13. One of the major causes of hemophilia is lack of...
A) Plasma
B) Fibrinogen
C) Red blood corpuscles
D) White 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) Simple fruit
B) Aggregate fruit
C) Multiple fruit
D) Dehiscent 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) Ammonium hydroxide
B) Hydrogen carbonate
C) Sodium carbonate
D) Copper sulphate
- 18. The characters by which an organism is recognised are termed its...
A) Anatomy
B) Morphology
C) Genotype
D) Phenotype
- 19. In lower plants like mosses, the structure which performs the function of roots of higher plants is called...
A) Thalli
B) Rhizoids
C) Rootlets
D) Hyphae
- 20. In a community, bacteria and fungi are referred to as...
A) Consumers
B) Scavengers
C) Producers
D) Decomposers
- 21. Which of these animals is radially symmetrical?
A) Snail
B) Squid
C) Cockroach
D) Hydra
- 22. The swollen shoot disease of a cocoa tree is caused by a...
A) Virus
B) Fungus
C) Bacterium
D) Protozoan
- 23. Secondary thickening is initiated in a dicotyledonous stem by the...
A) Cambium
B) Xylem parenchyma
C) Endodermis
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) Hyperthyroidism
C) Albinism
D) Astigmatism
- 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) Parasitism
B) Commenalism
C) Saprophytism
D) Symbiosis
- 28. Coconut and oil palm fruits can be grouped as...
A) Capsule
B) Berry
C) Drupe
D) Legume
- 29. The small masses of nervous tissue in which many neurons have their nuclei are called...
A) Axon
B) Ventral roots
C) Ganglia
D) Synapse
- 30. Coelomb is absent the class of animals termed...
A) Mollusca
B) Coelenterata
C) Arthropods
D) Reptilia
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