- 1. Breathing root is an adaptation for survival in the...
A) Arboreal
B) Desert
C) Mangrove swamp
D) Savanna
- 2. Which of the following has the most primitive respiratory system?
A) Snail
B) Mouse
C) Fish
D) Insect
- 3. The group of arthropods with no antenna is the...
A) Crustacean
B) Diplopoda
C) Chilopoda
D) Arachnida
- 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) Class
B) Family
C) Species
D) Order
- 6. The response of plants to external stimuli in a non directional manner is known as...
A) Nastic movement
B) Phototropism
C) Geotropism
D) Tactic movement
- 7. The rods in the retina of the eye are examples of...
A) Tissues
B) Organs
C) System
D) Cells
- 8. The blood vessel which carries digested food from the small intestine to the liver is the...
A) Renal vein
B) Renal artery
C) Hepatic portal vein
D) Hepatic artery
- 9. Magnesium is utilised in the formation of...
A) ATP
B) Chlorophyll
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) 3-4-1-2-5
B) 3-4-1-5-2
C) 2-1-4-5-3
D) 1-2-3-4-5
- 11. Which of the following is cold blooded?
A) Lizard
B) Whale
C) Cat
D) Bird
- 12. Which of these instruments is used to demonstrate the response of roots and shoots to gravity?
A) Potometer
B) Klinostat
C) Porometer
D) Manometer
- 13. One of the major causes of hemophilia is lack of...
A) Plasma
B) White blood corpuscles
C) Fibrinogen
D) Red blood corpuscles
- 14. In man, spermatozoa are never found in the...
A) Urethra
B) Vas deferens
C) Epididymis
D) Prostate gland
- 15. What type of fruit is formed from a single flower having several free carpels?
A) Dehiscent fruit
B) Simple fruit
C) Aggregate fruit
D) Multiple fruit
- 16. The part of mammalian brain responsible for maintaining balances is the...
A) Cerebrum
B) Medulla oblongata
C) Olfactory lobe
D) Cerebellum
- 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) Sodium carbonate
C) Ammonium hydroxide
D) Copper sulphate
- 18. The characters by which an organism is recognised are termed its...
A) Anatomy
B) Genotype
C) Morphology
D) Phenotype
- 19. In lower plants like mosses, the structure which performs the function of roots of higher plants is called...
A) Thalli
B) Rootlets
C) Rhizoids
D) Hyphae
- 20. In a community, bacteria and fungi are referred to as...
A) Scavengers
B) Decomposers
C) Consumers
D) Producers
- 21. Which of these animals is radially symmetrical?
A) Hydra
B) Cockroach
C) Snail
D) Squid
- 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) Endodermis
B) Cambium
C) Xylem parenchyma
D) Secondary phloem
- 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) Cretinism
B) Astigmatism
C) Hyperthyroidism
D) Albinism
- 26. The major function of the bladder in fishes is...
A) Swimming
B) Bouyancy
C) Breathing
D) Excretion
- 27. Which of the following relationships involves only one organism?
A) Saprophytism
B) Parasitism
C) Commenalism
D) Symbiosis
- 28. Coconut and oil palm fruits can be grouped as...
A) Berry
B) Legume
C) Capsule
D) Drupe
- 29. The small masses of nervous tissue in which many neurons have their nuclei are called...
A) Ventral roots
B) Axon
C) Synapse
D) Ganglia
- 30. Coelomb is absent the class of animals termed...
A) Mollusca
B) Coelenterata
C) Reptilia
D) Arthropods
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