- 1. Breathing root is an adaptation for survival in the...
A) Savanna
B) Desert
C) Mangrove swamp
D) Arboreal
- 2. Which of the following has the most primitive respiratory system?
A) Snail
B) Fish
C) Mouse
D) Insect
- 3. The group of arthropods with no antenna is the...
A) Chilopoda
B) Crustacean
C) Arachnida
D) Diplopoda
- 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) Class
B) Order
C) Species
D) Family
- 6. The response of plants to external stimuli in a non directional manner is known as...
A) Geotropism
B) Phototropism
C) Tactic movement
D) Nastic movement
- 7. The rods in the retina of the eye are examples of...
A) System
B) Cells
C) Organs
D) Tissues
- 8. The blood vessel which carries digested food from the small intestine to the liver is the...
A) Hepatic portal vein
B) Renal vein
C) Hepatic artery
D) Renal artery
- 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) 3-4-1-5-2
C) 3-4-1-2-5
D) 1-2-3-4-5
- 11. Which of the following is cold blooded?
A) Whale
B) Cat
C) Bird
D) Lizard
- 12. Which of these instruments is used to demonstrate the response of roots and shoots to gravity?
A) Potometer
B) Manometer
C) Klinostat
D) Porometer
- 13. One of the major causes of hemophilia is lack of...
A) Red blood corpuscles
B) Fibrinogen
C) White blood corpuscles
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) Multiple fruit
B) Aggregate fruit
C) Simple fruit
D) Dehiscent fruit
- 16. The part of mammalian brain responsible for maintaining balances is the...
A) Medulla oblongata
B) Olfactory lobe
C) Cerebrum
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) Copper sulphate
B) Ammonium hydroxide
C) Sodium carbonate
D) Hydrogen carbonate
- 18. The characters by which an organism is recognised are termed its...
A) Genotype
B) Morphology
C) Anatomy
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) Producers
C) Consumers
D) Decomposers
- 21. Which of these animals is radially symmetrical?
A) Cockroach
B) Hydra
C) Squid
D) Snail
- 22. The swollen shoot disease of a cocoa tree is caused by a...
A) Protozoan
B) Bacterium
C) Virus
D) Fungus
- 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) 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) Excretion
B) Bouyancy
C) Breathing
D) Swimming
- 27. Which of the following relationships involves only one organism?
A) Symbiosis
B) Saprophytism
C) Parasitism
D) Commenalism
- 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) Coelenterata
C) Arthropods
D) Mollusca
|