Biology Past Questions And Answers
Gaseous exchange in annelids is more advanced and efficient compared to flatworms because?
- A. the cells of their epidermis have no blood capillaries
- B. they have well developed respiratory structures
- C. their cylindrical shape gives high surface area to volume ratio
- D. their surface area to volume ratio is very low
The biological association that contributes directly to succession in a community is:
- A) competition
- B) predation
- C) parasitism
- D) commensalism
Which of the following is not a micronutrient?
- A. Manganese
- B. Copper
- C. Potassium
- D. Zinc
Which of the following is a characteristic feature of Kingdom Plantae?
- A. Presence of chloroplasts
- B. Ability to perform photosynthesis
- C. Lack of cell walls
- D. Heterotrophic mode of nutrition
Use the list of ecological constituents below to answer the question below 1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water Items 1-4 can be regarded as
- A. a population
- B. a community
- C. an ecosystem
- D. a niche
Fishes survive in water mainly because they possess
- A. streamlined body
- B. scales
- C. paired fins
- D. gills
In which of the following organisms is the siphon found?
- A. Tadpole
- B. Pupa of mosquito
- C. Tilapia
- D. Crayfish
Differences in characteristics that exist among individuals of the same species is referred to as
- A. genetics
- B. dominance
- C. hybird
- D. variation
Which of the following is an example of carnivorous plant?
- A. hydra
- B. bladderwort
- C. yeast
- D. spirogyra
In the adult frog gaseous exchange takes the
- A. buccal cavity, skin and lungs
- B. buccal cavity, skin and spiracles
- C. gills, skin and buccal cavity
- D. tympanic membrane, lungs and gills