- 1. Breathing root is an adaptation for survival in the...
A) Mangrove swamp
B) Arboreal
C) Savanna
D) Desert
- 2. Which of the following has the most primitive respiratory system?
A) Mouse
B) Insect
C) Fish
D) Snail
- 3. The group of arthropods with no antenna is the...
A) Chilopoda
B) Arachnida
C) Crustacean
D) Diplopoda
- 4. The dominant phase in the life cycle of a fern is the...
A) Antheridium
B) Prothallus
C) Gametophyte
D) Sporophyte
- 5. In terms of the number of individuals, which of the following taxa is most inclusive?
A) Species
B) Order
C) Family
D) Class
- 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) Tissues
B) Organs
C) Cells
D) System
- 8. The blood vessel which carries digested food from the small intestine to the liver is the...
A) Hepatic artery
B) Renal artery
C) Hepatic portal vein
D) Renal vein
- 9. Magnesium is utilised in the formation of...
A) Amino acids
B) Chlorophyll
C) Glucose
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) 3-4-1-2-5
B) 1-2-3-4-5
C) 2-1-4-5-3
D) 3-4-1-5-2
- 11. Which of the following is cold blooded?
A) Bird
B) Cat
C) Lizard
D) Whale
- 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) Red blood corpuscles
C) White blood corpuscles
D) Fibrinogen
- 14. In man, spermatozoa are never found in the...
A) Urethra
B) Epididymis
C) Prostate gland
D) Vas deferens
- 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) Olfactory lobe
B) Cerebellum
C) Medulla oblongata
D) Cerebrum
- 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) Anatomy
B) Morphology
C) Phenotype
D) Genotype
- 19. In lower plants like mosses, the structure which performs the function of roots of higher plants is called...
A) Thalli
B) Hyphae
C) Rhizoids
D) Rootlets
- 20. In a community, bacteria and fungi are referred to as...
A) Decomposers
B) Consumers
C) Producers
D) Scavengers
- 21. Which of these animals is radially symmetrical?
A) Squid
B) Snail
C) Hydra
D) Cockroach
- 22. The swollen shoot disease of a cocoa tree is caused by a...
A) Fungus
B) Bacterium
C) Virus
D) Protozoan
- 23. Secondary thickening is initiated in a dicotyledonous stem by the...
A) Endodermis
B) Secondary phloem
C) Xylem parenchyma
D) Cambium
- 24. The function of ribosomes in cell is...
A) Protein synthesis
B) Starch synthesis
C) Lipid storage
D) Transport of materials
- 25. An example of monohybrid inheritance is...
A) Hyperthyroidism
B) Albinism
C) Astigmatism
D) Cretinism
- 26. The major function of the bladder in fishes is...
A) Breathing
B) Bouyancy
C) Excretion
D) Swimming
- 27. Which of the following relationships involves only one organism?
A) Symbiosis
B) Commenalism
C) Saprophytism
D) Parasitism
- 28. Coconut and oil palm fruits can be grouped as...
A) Capsule
B) Berry
C) Legume
D) Drupe
- 29. The small masses of nervous tissue in which many neurons have their nuclei are called...
A) Axon
B) Ganglia
C) Synapse
D) Ventral roots
- 30. Coelomb is absent the class of animals termed...
A) Reptilia
B) Mollusca
C) Coelenterata
D) Arthropods
|