- 1. Breathing root is an adaptation for survival in the...
A) Mangrove swamp
B) Arboreal
C) Desert
D) Savanna
- 2. Which of the following has the most primitive respiratory system?
A) Fish
B) Snail
C) Mouse
D) Insect
- 3. The group of arthropods with no antenna is the...
A) Arachnida
B) Chilopoda
C) Crustacean
D) Diplopoda
- 4. The dominant phase in the life cycle of a fern is the...
A) Gametophyte
B) Antheridium
C) Prothallus
D) Sporophyte
- 5. In terms of the number of individuals, which of the following taxa is most inclusive?
A) Family
B) Species
C) Class
D) Order
- 6. The response of plants to external stimuli in a non directional manner is known as...
A) Phototropism
B) Geotropism
C) Tactic movement
D) Nastic movement
- 7. The rods in the retina of the eye are examples of...
A) Cells
B) System
C) Tissues
D) Organs
- 8. The blood vessel which carries digested food from the small intestine to the liver is the...
A) Hepatic artery
B) Renal vein
C) Renal artery
D) Hepatic portal vein
- 9. Magnesium is utilised in the formation of...
A) Chlorophyll
B) Glucose
C) ATP
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) 3-4-1-2-5
C) 1-2-3-4-5
D) 3-4-1-5-2
- 11. Which of the following is cold blooded?
A) Lizard
B) Cat
C) Whale
D) Bird
- 12. Which of these instruments is used to demonstrate the response of roots and shoots to gravity?
A) Klinostat
B) Manometer
C) Potometer
D) Porometer
- 13. One of the major causes of hemophilia is lack of...
A) Plasma
B) White blood corpuscles
C) Red blood corpuscles
D) Fibrinogen
- 14. In man, spermatozoa are never found in the...
A) Vas deferens
B) Urethra
C) Prostate gland
D) Epididymis
- 15. What type of fruit is formed from a single flower having several free carpels?
A) Multiple fruit
B) Aggregate fruit
C) Dehiscent fruit
D) Simple 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) Ammonium hydroxide
B) Copper sulphate
C) Sodium carbonate
D) Hydrogen carbonate
- 18. The characters by which an organism is recognised are termed its...
A) Phenotype
B) Morphology
C) Genotype
D) Anatomy
- 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) Hydra
C) Cockroach
D) Squid
- 22. The swollen shoot disease of a cocoa tree is caused by a...
A) Protozoan
B) Virus
C) Bacterium
D) Fungus
- 23. Secondary thickening is initiated in a dicotyledonous stem by the...
A) Cambium
B) Secondary phloem
C) Xylem parenchyma
D) Endodermis
- 24. The function of ribosomes in cell is...
A) Starch synthesis
B) Protein synthesis
C) Lipid storage
D) Transport of materials
- 25. An example of monohybrid inheritance is...
A) Hyperthyroidism
B) Astigmatism
C) Cretinism
D) Albinism
- 26. The major function of the bladder in fishes is...
A) Excretion
B) Swimming
C) Bouyancy
D) Breathing
- 27. Which of the following relationships involves only one organism?
A) Parasitism
B) Saprophytism
C) Commenalism
D) Symbiosis
- 28. Coconut and oil palm fruits can be grouped as...
A) Capsule
B) Legume
C) Drupe
D) Berry
- 29. The small masses of nervous tissue in which many neurons have their nuclei are called...
A) Synapse
B) Ventral roots
C) Ganglia
D) Axon
- 30. Coelomb is absent the class of animals termed...
A) Mollusca
B) Coelenterata
C) Reptilia
D) Arthropods
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