- 1. Breathing root is an adaptation for survival in the...
A) Mangrove swamp
B) Savanna
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) Arachnida
C) Crustacean
D) Chilopoda
- 4. The dominant phase in the life cycle of a fern is the...
A) Gametophyte
B) Antheridium
C) Sporophyte
D) Prothallus
- 5. In terms of the number of individuals, which of the following taxa is most inclusive?
A) Order
B) Species
C) Class
D) Family
- 6. The response of plants to external stimuli in a non directional manner is known as...
A) Nastic movement
B) Tactic movement
C) Geotropism
D) Phototropism
- 7. The rods in the retina of the eye are examples of...
A) Tissues
B) Cells
C) Organs
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 portal vein
D) Hepatic artery
- 9. Magnesium is utilised in the formation of...
A) Glucose
B) ATP
C) Chlorophyll
D) Amino acids
- 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) Whale
B) Lizard
C) Cat
D) Bird
- 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) Plasma
B) Red blood corpuscles
C) White blood corpuscles
D) Fibrinogen
- 14. In man, spermatozoa are never found in the...
A) Prostate gland
B) Epididymis
C) Vas deferens
D) Urethra
- 15. What type of fruit is formed from a single flower having several free carpels?
A) Simple fruit
B) Dehiscent fruit
C) Multiple fruit
D) Aggregate fruit
- 16. The part of mammalian brain responsible for maintaining balances is the...
A) Olfactory lobe
B) Medulla oblongata
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) Hydrogen carbonate
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) Thalli
C) Hyphae
D) Rootlets
- 20. In a community, bacteria and fungi are referred to as...
A) Producers
B) Scavengers
C) Decomposers
D) Consumers
- 21. Which of these animals is radially symmetrical?
A) Snail
B) Cockroach
C) Hydra
D) Squid
- 22. The swollen shoot disease of a cocoa tree is caused by a...
A) Protozoan
B) Fungus
C) Bacterium
D) Virus
- 23. Secondary thickening is initiated in a dicotyledonous stem by the...
A) Endodermis
B) Xylem parenchyma
C) Secondary phloem
D) Cambium
- 24. The function of ribosomes in cell is...
A) Starch synthesis
B) Lipid storage
C) Transport of materials
D) Protein synthesis
- 25. An example of monohybrid inheritance is...
A) Albinism
B) Cretinism
C) Astigmatism
D) Hyperthyroidism
- 26. The major function of the bladder in fishes is...
A) Breathing
B) Swimming
C) Bouyancy
D) Excretion
- 27. Which of the following relationships involves only one organism?
A) Saprophytism
B) Symbiosis
C) Parasitism
D) Commenalism
- 28. Coconut and oil palm fruits can be grouped as...
A) Legume
B) Drupe
C) Capsule
D) Berry
- 29. The small masses of nervous tissue in which many neurons have their nuclei are called...
A) Ventral roots
B) Synapse
C) Ganglia
D) Axon
- 30. Coelomb is absent the class of animals termed...
A) Mollusca
B) Coelenterata
C) Reptilia
D) Arthropods
|