- 1. Breathing root is an adaptation for survival in the...
A) Arboreal
B) Mangrove swamp
C) Desert
D) Savanna
- 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) Arachnida
B) Diplopoda
C) Chilopoda
D) Crustacean
- 4. The dominant phase in the life cycle of a fern is the...
A) Sporophyte
B) Gametophyte
C) Prothallus
D) Antheridium
- 5. In terms of the number of individuals, which of the following taxa is most inclusive?
A) Order
B) Class
C) Family
D) Species
- 6. The response of plants to external stimuli in a non directional manner is known as...
A) Tactic movement
B) Phototropism
C) Geotropism
D) Nastic movement
- 7. The rods in the retina of the eye are examples of...
A) Cells
B) Organs
C) System
D) Tissues
- 8. The blood vessel which carries digested food from the small intestine to the liver is the...
A) Hepatic artery
B) Renal artery
C) Renal vein
D) Hepatic portal vein
- 9. Magnesium is utilised in the formation of...
A) ATP
B) Glucose
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) 3-4-1-2-5
B) 3-4-1-5-2
C) 1-2-3-4-5
D) 2-1-4-5-3
- 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) Porometer
D) Potometer
- 13. One of the major causes of hemophilia is lack of...
A) Plasma
B) Fibrinogen
C) Red blood corpuscles
D) White blood corpuscles
- 14. In man, spermatozoa are never found in the...
A) Urethra
B) Epididymis
C) Vas deferens
D) Prostate gland
- 15. What type of fruit is formed from a single flower having several free carpels?
A) Simple fruit
B) Aggregate fruit
C) Dehiscent fruit
D) Multiple fruit
- 16. The part of mammalian brain responsible for maintaining balances is the...
A) Cerebrum
B) Medulla oblongata
C) Cerebellum
D) Olfactory lobe
- 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) Hydrogen carbonate
C) Copper sulphate
D) Sodium carbonate
- 18. The characters by which an organism is recognised are termed its...
A) Morphology
B) Genotype
C) Phenotype
D) Anatomy
- 19. In lower plants like mosses, the structure which performs the function of roots of higher plants is called...
A) Hyphae
B) Rhizoids
C) Thalli
D) Rootlets
- 20. In a community, bacteria and fungi are referred to as...
A) Scavengers
B) Consumers
C) Producers
D) Decomposers
- 21. Which of these animals is radially symmetrical?
A) Squid
B) Hydra
C) Snail
D) Cockroach
- 22. The swollen shoot disease of a cocoa tree is caused by a...
A) Virus
B) Fungus
C) Protozoan
D) Bacterium
- 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) Starch synthesis
B) Transport of materials
C) Protein synthesis
D) Lipid storage
- 25. An example of monohybrid inheritance is...
A) Astigmatism
B) Cretinism
C) Hyperthyroidism
D) Albinism
- 26. The major function of the bladder in fishes is...
A) Swimming
B) Excretion
C) Bouyancy
D) Breathing
- 27. Which of the following relationships involves only one organism?
A) Parasitism
B) Symbiosis
C) Commenalism
D) Saprophytism
- 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) Ventral roots
C) Axon
D) Synapse
- 30. Coelomb is absent the class of animals termed...
A) Coelenterata
B) Reptilia
C) Arthropods
D) Mollusca
|